Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
120 15 1800 50 63
Lake Auburn East Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area [ac] Wasserman Lake Steiger Lake Zumbra Lake Stone Lake Lake Auburn East
SMC-2 to SMC-5 SMC-12 to SMC-14 SMC-22 SMC-17 & SMC-18 SMC 6-9, 11, 15, 20, 21, 23-27
Wasserman Lake Steiger Lake Zumbra Lake Stone Lake Lake Auburn East
2020 Conditions P-Load Summary Area
Pj
[ac]
[--]
SMC-2 to SMC-5 SMC-12 to SMC-14 SMC-22 SMC-17 & SMC-18 SMC 6-9, 11, 15, 20, 21, 23-27
2502.0 671.4 361.6 734.5 2270.8
-120 6420.3 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area [ac] SMC-2 to SMC-5 SMC-12 to SMC-14 SMC-22 SMC-17 & SMC-18 SMC 6-9, 11, 15, 20, 21, 23-27
Total Deduction
Wasserman Lake Steiger Lake Zumbra Lake Stone Lake Lake Auburn East
0.55
28.3
0.26
-120 6420.3
Lake Surface Total
Wasserman Lake Steiger Lake Zumbra Lake Stone Lake Lake Auburn East
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
[--]
2502.0 671.4 361.6 734.5 2270.8
Lake Surface Watershed Total
Pj
SMC-2 to SMC-5 SMC-12 to SMC-14 SMC-22 SMC-17 & SMC-18 SMC 6-9, 11, 15, 20, 21, 23-27
Watershed Total Net Increase Ultimate External Load
25% 75%
0.46 0.46
22.3 66.8 89.1
124.9 29.3 11.2 20.1 245.2
-147.9 1912.5
-4.0 426.6
0.29
0.55
28.3
0.14
P-Load [lb]
795.2 276.9 152.6 167.7 946.0
179.5 32.4 11.2 20.1 369.0
-147.9 2190.5
-4.0 608.2
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
[--]
Deductions are all remaining cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 89.1 based on MLCCS codes. Regional parks and open space 89.1 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
7% 18%
Pj
28.3
[lb]
612.4 262.3 152.6 167.7 865.5
Annual 2020 Avg. Volume Precip. Rv [--] [ac-ft] [in]
0.55
P-Load
P-Load [lb]
795.2 276.9 154.1 186.0 16.1
179.5 32.4 11.3 25.0 20.1
1428.2
268.4
Pj
Annual 2020 Avg. Volume Precip. Rv [--] [in] [--] [ac-ft] 891.4 279.4 158.1 181.6 0.55 28.3 0.113 3.3 0.55 28.3 0.212 18.4 1,532.1 104.0 2,294.4
P-Load [lb] 208.5 33.4 12.0 25.2 4.1 23.0 306.3 37.9 646.1
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -29 -29 -29 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -406 -406 -406 Internal, other unknown Total Load -861 -1043 -1080 Predicted In-Lake TP -63.0 -68.6 -69.1 Lake TP Goal -43 -43 -44 Allowable Load to Meet Goal -509 -552 -586 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 352 490 495
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
Lake Phosphorus Loading Response Model
Total Phosphorus Goal
70 60 50 40
Lake Response Model Results
30 20
Ultimate 2020 2000 Internal Load
Phosphorus Load Goals
10 0 -
100
200
300
400
500
600
700
800
900
1,000
1,100
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Auburn East Load Analysis - Goal = 44.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Auburn East Load Analysis - Goal = 44.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
120 15 1800 50 63
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Lake Auburn East Notes:
2000 (Present) Conditions P-Load Summary Area
Pj
[ac] Wasserman Lake Steiger Lake Zumbra Lake Stone Lake Lake Auburn East
SMC-2 to SMC-5 SMC-12 to SMC-14 SMC-22 SMC-17 & SMC-18 SMC 6-9, 11, 15, 20, 21, 23-27
2502.0 671.4 361.6 734.5 2270.8
Lake Surface Watershed Total
Wasserman Lake Steiger Lake Zumbra Lake Stone Lake Lake Auburn East
[--]
0.55
2020 Conditions P-Load Summary Area
Pj
[ac]
[--]
SMC-2 to SMC-5 SMC-12 to SMC-14 SMC-22 SMC-17 & SMC-18 SMC 6-9, 11, 15, 20, 21, 23-27
2502.0 671.4 361.6 734.5 2270.8
0.26
Pj
[ac] SMC-2 to SMC-5 SMC-12 to SMC-14 SMC-22 SMC-17 & SMC-18 SMC 6-9, 11, 15, 20, 21, 23-27
Total Deduction
[--]
Deductions are all remaining cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 89.1 based on MLCCS codes. Regional parks and open space 89.1 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
SMC-2 to SMC-5 SMC-12 to SMC-14 SMC-22 SMC-17 & SMC-18 SMC 6-9, 11, 15, 20, 21, 23-27
7% 18%
Watershed Total Net Increase Ultimate External Load
25% 75%
0.46 0.46
28.3
0.29
28.3
0.14
-147.9 1912.5
-4.0 426.6 P-Load [lb]
795.2 276.9 152.6 167.7 946.0
179.5 32.4 11.2 20.1 369.0
-147.9 2190.5
-4.0 608.2
P-Load [lb]
795.2 276.9 154.1 186.0 16.1
179.5 32.4 11.3 25.0 20.1
1428.2
268.4
Pj
Annual 2020 Avg. Volume Precip. Rv [--] [in] [--] [ac-ft] 891.4 279.4 158.1 181.6 0.55 28.3 0.113 3.3 0.55 28.3 0.212 18.4 1,532.1 104.0 2,294.4
22.3 66.8 89.1
[lb] 124.9 29.3 11.2 20.1 245.2
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.55
P-Load
612.4 262.3 152.6 167.7 865.5
Annual 2020 Avg. Volume Precip. Rv [--] [ac-ft] [in]
0.55
-120 6420.3 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area
Wasserman Lake Steiger Lake Zumbra Lake Stone Lake Lake Auburn East
28.3
-120 6420.3
Lake Surface Total
Wasserman Lake Steiger Lake Zumbra Lake Stone Lake Lake Auburn East
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
P-Load [lb] 208.5 33.4 12.0 25.2 4.1 23.0 306.3 37.9 646.1
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -29 -29 -29 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -406 -406 -406 Internal, other unknown Total Load -861 -1043 -1080 Predicted In-Lake TP -63.0 -68.6 -69.1 Lake TP Goal -50 -50 -50 Allowable Load to Meet Goal -624 -675 -694 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 237 367 386
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
80
Total Phosphorus Goal
70 60 50 40
Phosphorus Load Goals
30
Ultimate 2020 2000 Internal Load
Lake Response Model Results
20 10 0 -
100
200
300
400
500
600
700
800
900
1,000
1,100
1,200
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Auburn East Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Auburn East Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
142 23.2 3294 27 41
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Lake Auburn West Notes:
2000 (Present) Conditions P-Load Summary Area [ac] Lake Auburn East Lake Auburn West
SMC 6-9, 11, 15, 20, 21, 23-27 SMC-28, SMC-29
6420.3 492.0
Lake Surface Watershed Total
[ac]
[--]
-142 6770.3 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Deductions are all remaining cropland, plus one half of the [ac] total forest, woodland and SMC 6-9, 11, 15, 20, 21, 23-27 shrubland that are not wetland, SMC-28, SMC-29 82.8 based on MLCCS codes. Regional parks and open space 82.8 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp. SMC 6-9, 11, 15, 20, 21, 23-27 SMC-28, SMC-29 7% 25% 0.46 20.7 18% 75% 0.46 62.1 82.8
Watershed Total Net Increase Ultimate External Load
0.55
Pj
Lake Surface Total
Lake Auburn East Lake Auburn West
[--]
2020 Conditions P-Load Summary Area
SMC 6-9, 11, 15, 20, 21, 23-27 SMC-28, SMC-29
Total Deduction
Annual Precip. [in]
2000 Avg. Rv [--]
28.3
0.26
-142 6770.3
Lake Auburn East Lake Auburn West
Lake Auburn East Lake Auburn West
Pj
6420.3 492.0
Annual Precip. [in]
0.55
Pj
28.3
Annual Precip. [in]
[--] 0.55
Pj
0.55 0.55
0.26
2020 Avg. Rv [--]
28.3
Annual Precip. [in]
[--]
2020 Avg. Rv [--]
28.3 28.3 28.3
0.07
2020 Avg. Rv [--] 0.113 0.212
Volume
P-Load
[ac-ft]
[lb]
1912.6 291.8
327.7 26.0
-175.0 2029.4
-4.8 349.0
Volume
P-Load
[ac-ft]
[lb]
2190.5 293.3
411.1 32.5
-175.0 2308.8
-4.8 438.9
Volume
P-Load
[ac-ft]
[lb]
2190.5 7.5
411.1 6.9
2198.0
418.0
Volume
P-Load
[ac-ft] 2,294.4 3.0 17.1 2,314.5 116.5 2,425.3
[lb] 430.6 3.8 21.4 455.8 37.8 476.7
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -34 -34 -34 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -267 -267 -267 Internal, other unknown Total Load -650 -739 -777 Predicted In-Lake TP -41.0 -42.9 -43.7 Lake TP Goal -27 -27 -27 Allowable Load to Meet Goal -362 -389 -401 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 288 350 376
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
50 45
Total Phosphorus Goal
40 35
Phosphorus Load Goals
30 25 20
Lake Response Model Results
15
Ultimate 2020 2000 Internal Load
10 5 0 -
100
200
300
400
500
600
700
800
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Auburn West Load Analysis - East Goal 44.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Auburn West Load Analysis - East Goal 44.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
142 23.2 3294 27 41
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Lake Auburn West Notes:
2000 (Present) Conditions P-Load Summary Area [ac] Lake Auburn East Lake Auburn West
SMC 6-9, 11, 15, 20, 21, 23-27 SMC-28, SMC-29
6420.3 492.0
Lake Surface Watershed Total
[ac]
[--]
-142 6770.3 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Deductions are all remaining cropland, plus one half of the [ac] total forest, woodland and SMC 6-9, 11, 15, 20, 21, 23-27 shrubland that are not wetland, SMC-28, SMC-29 82.8 based on MLCCS codes. Regional parks and open space 82.8 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp. SMC 6-9, 11, 15, 20, 21, 23-27 SMC-28, SMC-29 7% 25% 0.46 20.7 18% 75% 0.46 62.1 82.8
Watershed Total Net Increase Ultimate External Load
0.55
Pj
Lake Surface Total
Lake Auburn East Lake Auburn West
[--]
2020 Conditions P-Load Summary Area
SMC 6-9, 11, 15, 20, 21, 23-27 SMC-28, SMC-29
Total Deduction
Annual Precip. [in]
2000 Avg. Rv [--]
28.3
0.26
-142 6770.3
Lake Auburn East Lake Auburn West
Lake Auburn East Lake Auburn West
Pj
6420.3 492.0
Annual Precip. [in]
0.55
Pj
28.3
Annual Precip. [in]
[--] 0.55
Pj
0.55 0.55
0.26
2020 Avg. Rv [--]
28.3
Annual Precip. [in]
[--]
2020 Avg. Rv [--]
28.3 28.3 28.3
0.07
2020 Avg. Rv [--] 0.113 0.212
Volume
P-Load
[ac-ft]
[lb]
1912.6 291.8
327.7 26.0
-175.0 2029.4
-4.8 349.0
Volume
P-Load
[ac-ft]
[lb]
2190.5 293.3
411.1 32.5
-175.0 2308.8
-4.8 438.9
Volume
P-Load
[ac-ft]
[lb]
2190.5 7.5
411.1 6.9
2198.0
418.0
Volume
P-Load
[ac-ft] 2,294.4 3.0 17.1 2,314.5 116.5 2,425.3
[lb] 430.6 3.8 21.4 455.8 37.8 476.7
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -34 -34 -34 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -267 -267 -267 Internal, other unknown Total Load -650 -739 -777 Predicted In-Lake TP -41.0 -42.9 -43.7 Lake TP Goal -27 -27 -27 Allowable Load to Meet Goal -362 -389 -401 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 288 350 376
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
50 45
Total Phosphorus Goal
40 35
Phosphorus Load Goals
30 25 20
Lake Response Model Results
15
Ultimate 2020 2000 Internal Load
10 5 0 -
100
200
300
400
500
600
700
800
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Auburn West Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Auburn West Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
18 22 396 35 38
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Brownie Notes:
2000 (Present) Conditions P-Load Summary Area Pj [ac] Brownie
MC-107 to MC-108
[--]
391.3
Lake Surface Watershed Total
0.345
Pj
[ac] MC-107 to MC-108
Lake Surface Total
[--]
391.3
0.345
-18 373.26 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj
Brownie
[ac] Deductions are all remaining cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 0.0 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp. 7% 79% 0.46 18% 21% 0.46 -
MC-108
Total Deduction
Brownie
2000 Avg. Rv [--]
28.3
Volume
P-Load
[ac-ft]
[lb]
0.56
-18 373.26 2020 Conditions P-Load Summary Area
Brownie
Annual Precip. [in]
MC-108
Watershed Total Net Increase Ultimate External Load
[--] 0.345
Annual Precip. [in]
2020 Avg. Rv [--]
28.3
Annual Precip. [in]
145.46
-13.91 170.80
-0.37843 145.09
Volume
P-Load
[ac-ft]
[lb]
0.59
2020 Avg. Rv [--]
184.71
191.92
151.76
-13.91 178.01
-0.37843 151.38
Volume
P-Load
[ac-ft]
[lb]
28.3
0.00 Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.345 28.3 0.113 0.345 28.3 0.212 28.3 178.0
0.00 P-Load [lb] 151.4
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -4 -4 -4 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. --90 --90 --90 Over Prediction by P-Load Total Load -59 -65 -65 Predicted In-Lake TP -38.0 -40.2 -40.2 Lake TP Goal -35 -35 -35 Allowable Load to Meet Goal -52 -53 -53 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 7 12 12
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
60 Total Phosphorus Goal
50
Phosphorus Load Goals
40 30
Ultimate 2020 2000 Internal Load
Lake Response Model Results
20 10 0 -
10
20
30
40
50
60
70
80
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Browie Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Browie Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
421 34.8 14651 25 21
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Lake Calhoun Notes:
2000 (Present) Conditions P-Load Summary Area
Pj
[ac]
[--]
Lake of the Isles MC-119 to MC-121 Lake Calhoun MC-110 to 112, 114 to 118, 122 to 126 Removal from Edina, Calhoun Wetland, Bass Lake
3337.5 3482.2
Lake Surface Watershed Total
0.345
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
28.3
0.57
-421 6398.74
P-Load [lb]
1309.29 1735.04
135.33 1132.08 -390.00
-325.41 2718.92
-8.85113 868.56
2020 Conditions P-Load Summary
Lake of the Isles MC-119 to MC-121 Lake Calhoun MC-110 to 112, 114 to 118, 122 to 126 Removal from Edina, Calhoun Wetland, Bass Lake
Area
Pj
[ac]
[--]
3337.5 3482.2
Lake Surface Total
0.345
Annual 2020 Avg. Volume Precip. Rv [--] [ac-ft] [in]
28.3
0.58
-421 6398.74 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area
Lake Calhoun
[ac] Deductions are all remaining 0.0 cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 0.0 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp. MC-110 to 112, 114 to 118, 122 to 126 7% 100% 0.46 18% 0% 0.46 MC-110 to 112, 114 to 118, 122 to 126
Total Deduction
Lake Calhoun Watershed Total Net Increase Ultimate External Load
Pj [--] 0.31
Pj [--] 0.31 0.31
[lb]
1336.83 1765.33
152.36 1259.65 -415.00
-325.41 2776.75
-8.85113 988.15
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft] 28.3
P-Load
0.00
P-Load [lb]
0.00
0.00
0.00
0.00
Annual 2020 Avg. Volume Precip. Rv [--] [ac-ft] [in] 28.3 0.113 28.3 0.212 28.3 2,776.8
P-Load [lb] 988.2
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -101 -101 -101 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. --331 --331 --331 Over Prediction by P-Load Total Load -638 -758 -758 Predicted In-Lake TP -21.0 -23.4 -23.4 Lake TP Goal -25 -25 -25 Allowable Load to Meet Goal -833 -839 -839 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) -195 -81 -81
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
40
Total Phosphorus Goal
35 30
Phosphorus Load Goals
25 20 15
Ultimate 2020 2000 Internal Load
Lake Response Model Results
10 5 0 -
100
200
300
400
500
600
700
800
900
1,000
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Calhoun Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Calhoun Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
170 22 3400 25 22
Brownie Cedar Lake Removal from Twin Lakes Removal from Cedar Medows
Cedar Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area
Pj
[ac]
[--]
MC-107 to MC-108 MC-100 to MC-106, MC-109
373.3 2291.8
Lake Surface Watershed Total
Annual Precip. [in]
0.345
2000 Avg. Volume Rv [--] [ac-ft]
28.3
P-Load [lb]
170.80 932.77
0.46
-170 2495.06
17.65 669.10 -170.00 -310.00
-131.40 -3.574092 972.17 203.18
2020 Conditions P-Load Summary
Brownie Cedar Lake Removal from Twin Lakes Removal from Cedar Medows
MC-107 to MC-108 MC-100 to MC-106, MC-109
Lake Surface Total
Area
Pj
[ac]
[--]
373.3 2291.8
-170 2495.06 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area [ac]
Brownie Cedar Lake
Deductions are all remaining cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 0.0 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
Brownie Cedar Lake
MC-107 to MC-108 MC-100 to MC-106, MC-109
7% 18%
79% 21%
0.46 0.46
Watershed Total Net Increase Ultimate External Load
0.345
-
2020 Avg. Volume Rv [--] [ac-ft]
28.3
P-Load [lb]
178.01 952.79
0.48
19.37 717.47 -180 -330
-131.40 -3.574092 999.40 223.26
Pj
Annual Precip. [in]
[--]
MC-107 to MC-108 MC-100 to MC-106, MC-109
Total Deduction
Annual Precip. [in]
0.31
2020 Avg. Volume Rv [--] [ac-ft]
P-Load [lb]
28.3
0.00 Pj
Annual Precip. [in]
[--] 0.31 0.31
2020 Avg. Volume Rv [--] [ac-ft]
28.3 28.3 28.3
0.113 0.212
0.00 P-Load
999.4
[lb] 223.3
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -41 -41 -41 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. --54 --54 --54 Over Prediction by P-Load Total Load -190 -210 -210 Predicted In-Lake TP -22.0 -23.4 -23.4 Lake TP Goal -25 -25 -25 Allowable Load to Meet Goal -228 -231 -231 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) -39 -21 -21
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
40
Total Phosphorus Goal
35 30
Phosphorus Load Goals
25 20 15
Ultimate 2020 2000 Internal Load
Lake Response Model Results
10 5 0 -
30
60
90
120
150
180
210
240
270
300
330
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Cedar Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Cedar Load Analysis.xls
Christmas Lake Loading and Response Analysis 257 [acre] Notes: 36 [ft] 9252 [ac-ft] 15 [ug/L] 15 [ug/L]
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
2000 (Present) Conditions P-Load Summary Area Pj
Christmas Lake
CL-1 and CL-5 only
Lake Surface Watershed Total
[ac] 644.5
Annual 2000 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.29 28.3 0.30 245.3
-257 387.5
-167.0 78.3
2020 Conditions P-Load Summary Area [ac] 644.5
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.29 28.3 0.30 245.3
Christmas Lake
CL-1 and CL-5 only
Lake Surface Total
-257 -167.0 387.5 78.3 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Annual 2020 Volume Deductions are all remaining Precip. Avg. Rv cropland, plus one half of the [ac] [--] [in] [--] [ac-ft] total forest, woodland and shrubland that are not wetland, CL-1 and CL-5 only 10.6 0.29 28.3 0.06 0.43 based on MLCCS codes. Regional parks and open space 10.6 0.43 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Annual 2020 Volume Impervious Phos. Precip. Avg. Rv Percent Category [mg/L] [ac] [--] [in] [--] [ac-ft] Imp.
Christmas Lake Total Deduction
Christmas Lake
CL-1 and CL-5 only
Watershed Total Net Increase Ultimate External Load
7% 18%
100% 0%
0.46 0.46
10.6 10.6
0.29 0.29
28.3 28.3 28.3
0.113 0.212
0.8 0.8 0.4 78.7
P-Load [lb] 79.3 -4.5 74.8 P-Load [lb] 80.3 -4.5 75.8
P-Load [lb] 0.05 0.05 P-Load [lb] 1.0 1.0 1.0 76.7
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -62 -62 -62 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -0 -0 -0 Internal, other unknown Total Load -136 -137 -138 Predicted In-Lake TP -15.1 -15.1 -15.2 Lake TP Goal -15 -15 -15 Allowable Load to Meet Goal -135 -135 -135 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 1 2 3
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
Lake Phosphorus Loading Response Model
Total Phosphorus Goal
20 18 16 14
Phosphorus Load Goals
12 10 8
Ultimate 2020 2000 Unknown Load
Lake Response Model Results
6 4 2 0 -
20
40
60
80
100
120
140
160
180
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Christmas Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Christmas Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
54 3 162 90 141
Diamond Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Used 2003 Target Goal
2000 (Present) Conditions P-Load Summary Area
Diamond Lake
MC-142 to MC-144
Lake Surface Watershed Total
[ac] 743.4
Annual 2000 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.345 28.3 0.56 357.91
-54 689.43
-41.74 316.17
2020 Conditions P-Load Summary Area
Diamond Lake
Pj
[ac] 743.4
MC-142 to MC-144
Lake Surface Total
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.345 28.3 0.57 361.07
-54 689.43 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj
Diamond Lake
[ac] Deductions are all remaining 0.0 cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 0.0 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Impervious Percent Phos. Category Imp. [mg/L] [ac] 7% 100% 0.46 18% 0% 0.46 -
MC-142 to MC-144
Total Deduction
Diamond Lake
MC-142 to MC-144
Watershed Total Net Increase Ultimate External Load
[--] 0.31
-41.74 319.33
Annual Precip. [in] 28.3
2020 Avg. Rv [--]
P-Load [lb] 274.99 -1.1353 273.86 P-Load [lb] 303.67 -1.1353 302.54
Volume
P-Load
[ac-ft]
[lb]
0.00
0.00
0.00
0.00
0.00
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.31 28.3 0.113 0.31 28.3 0.212 28.3 319.3
P-Load [lb] 302.5
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -13 -13 -13 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -43 -43 -43 Internal, other unknown Total Load -330 -358 -358 Predicted In-Lake TP -141.0 -149.0 -149.0 Lake TP Goal -90 -90 -90 Allowable Load to Meet Goal -177 -178 -178 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 153 180 180
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
Lake Phosphorus Loading Response Model 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0
Total Phosphorus Goal
Phosphorus Load Goals
Ultimate 2020 2000 Internal Load
Lake Response Model Results
-
50
t:\0185\4315\04e\Diamond Load Analysis.xls, Load Analysis 11/29/2005
100
150
200
250
Total Lake Phosphorus Load [lb/yr]
Minnehaha Creek Watershed District Water Resources Managment Plan
300
350
400
Diamond Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
160 16 2560 40 60
Dutch Lake Loading and Response Analysis [acre] Notes: [ft] [ac-ft] [ug/L] [ug/L] 2000 (Present) Conditions P-Load Summary Area Pj [ac]
Dutch Lake
DL-1 to DL5
[--]
1741.8
Lake Surface Watershed Total
0.62
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft] 28.3
0.18
-160 1581.8 2020 Conditions P-Load Summary Area
Pj
[ac] Dutch Lake
DL-1 to DL5
Lake Surface Total
[--]
1741.8
0.62
-160 1581.8 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj
Dutch Lake
Deductions are all remaining [ac] [--] cropland, plus one half of the total of upland forest, woodland 17.5 0.62 and shrubland, except lands that are wetlands, based on 17.5 MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Pj Impervious Percent Phos. Category Imp. [mg/L] [ac] [--]
DL-1 to DL-5
Total Deduction
Dutch Lake
DL-1 to DL-5
7% 18%
Watershed Total Net Increase Ultimate External Load
80% 20%
0.46 0.46
14.0 3.5 17.5
0.62 0.62
0.20
214.7
-222.2 418.6
-6.0 208.6
0.06
0.113 0.212
[lb] 353.6
-222.2 466.9
-6.0 347.6
P-Load [lb]
1.66
0.41
1.66
0.41
Annual 2020 Avg. Volume Rv Precip. [in] [--] [ac-ft] 28.3 28.3 28.3
P-Load
689.2
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in] 28.3
[lb]
640.8
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft] 28.3
P-Load
P-Load
2.3 1.1 3.4 1.7 468.7
[lb] 2.9 1.4 4.3 3.8 351.4
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -38 -38 -38 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -335 -335 -335 Internal, other unknown Total Load -582 -721 -725 Predicted In-Lake TP -60.0 -67.3 -67.5 Lake TP Goal -40.0 -40.0 -40.0 Allowable Load to Meet Goal -297 -305 -306 Necessary Load Reductions Necessary Load Reduction (Assuming no controls) 285 416 419
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
80 70
Lake Response for Load Reduction Scenarios
Total Phosphorus Goal
60 50 40 30
Ultimate 2020 2000 'Unknown Load'
Phosphorus Load Goals
20 10 0 -
100
200
300
400
500
600
700
800
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Dutch Load Analysis.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Dutch Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
156 7.7 1201 80 121
Gleason Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area Pj
Gleason Lake
GLC-1 to GLC-9
Lake Surface Watershed Total
[ac] 2605.0
Annual 2000 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.37 28.3 0.42 1022.9
-156 2449
-129.3 893.6
2020 Conditions P-Load Summary Area
Gleason Lake
[ac] 2605
GLC-1 to GLC-9
Lake Surface Total
Gleason Lake
GLC-1 to GLC-9
Total Deduction
Gleason Lake
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.37 28.3 0.43 1057.4
-156 -129.3 2449 928.1 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Annual 2020 Volume Deductions are all remaining Precip. Avg. Rv cropland, plus one half of the [ac] [--] [in] [--] [ac-ft] total forest, woodland and shrubland that are not wetland, 66.3 0.37 28.3 0.06 3.51 based on MLCCS codes. Regional parks and open space 66.3 3.51 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Annual 2020 Volume Impervious Phos. Precip. Avg. Rv Percent Category [mg/L] [ac] [--] [in] [--] [ac-ft] Imp.
GLC-1 to GLC-9
7% 18%
Watershed Total Net Increase Ultimate External Load
100% 0%
0.46 0.46
66.3 66.3
0.37 0.37
28.3 28.3 28.3
0.113 0.212
6.5 6.5 3.0 931.1
P-Load [lb] 854.4 -3.5 850.9 P-Load [lb] 874.7 -3.5 871.2
P-Load [lb] 0.38 0.38 P-Load [lb] 8.2 8.2 7.8 879.0
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -37 -37 -37 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -392 -392 -392 Internal, other unknown Total Load -1281 -1301 -1309 Predicted In-Lake TP -121.0 -121.2 -121.5 Lake TP Goal -80 -80 -80 Allowable Load to Meet Goal -682 -693 -694 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 598 608 614
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
140 Total Phosphorus Goal
120 100 80 60
Lake Response Model Results
40
Phosphorus Load Goals
Ultimate 2020 2000 Internal Load
20 0 -
200
400
600
800
1,000
1,200
1,400
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Gleason Load Analysis.xls, Load Analysis - Goal = 80 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Gleason Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
541 13.1 7063 50 122
Halsteds Bay Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area
Pj
[ac] Mud Lake Six Mile Creek Halsteds Bay Lake Minnetonka Direct
SMC-48 to SMC-61 SMC-62 to SMC-66 HB-1 to HB-6 HB-LM
[--]
13332.5 1700.2 1015.3 1349.3
Lake Surface Watershed Total
Annual 2000 Avg. Precip. Rv [in] [--]
0.55 0.42 0.42
28.3 28.3 28.3
Volume
P-Load
[ac-ft]
[lb]
0.20 0.14 0.22
-541 16856.25
Mud Lake Six Mile Creek Halsteds Bay Lake Minnetonka Direct
2020 Conditions P-Load Summary Area
Pj
[ac]
[--]
SMC-48 to SMC-61 SMC-62 to SMC-66 HB-1 to HB-6 HB-LM
13332.5 1700.2 1015.3 1349.2
Lake Surface Total
0.55 0.42 0.42
-541 16856.23 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area
Mud Lake Six Mile Creek Halsteds Bay Lake Minnetonka Direct Total Deduction
Mud Lake Six Mile Creek
SMC-48 to SMC-61 SMC-62 to SMC-66
Halsteds Bay
HB-1 to HB-6
Lake Minnetonka Direct
HB-LM
Pj
[ac] Deductions are all remaining cropland, plus one half of the 30.8 total forest, woodland and 168.9 shrubland that are not wetland, 19.4 based on MLCCS codes. Regional parks and open space 219.1 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
SMC-48 to SMC-61 SMC-62 to SMC-66 HB-1 to HB-6 HB-LM
7% 18% 7% 18% 7% 18%
25% 75% 79% 21% 79% 21%
0.46 0.46 0.46 0.46 0.46 0.46
28.3 28.3 28.3
0.55 0.42 0.42
Pj
28.3 28.3 28.3
[--]
0.55 0.55 0.42 0.42 0.42 0.42
28.3 28.3 28.3 28.3 28.3 28.3
219.1
0.113 0.212 0.113 0.212 0.113 0.212
28.3
-509.1 4157.7
-13.8 1930.2 P-Load
[ac-ft]
[lb]
3873.4 553.6 178.8 725.3
1706.8 419.0 149.1 209.5
-509.1 4822.0
-13.8 2470.4
Volume
P-Load
[ac-ft]
[lb]
0.06 0.07 0.06
Annual 2020 Avg. Precip. Rv [in] [--]
1504.5 233.0 74.2 132.4
Volume
0.25 0.18 0.27
Annual 2020 Avg. Precip. Rv [in] [--]
[--]
7.7 23.1 133.4 35.5 15.3 4.1
Watershed Total Net Increase Ultimate External Load
Annual 2020 Avg. Precip. Rv [--] [in]
3393.3 448.4 143.7 681.3
3873.4 2.4 10.9 1.1
1706.8 0.4 8.6 1.0
3887.8
1716.9
Volume
P-Load
[ac-ft]
[lb]
4,275.2 1.1 6.4 14.9 7.4 1.7 0.9
1,895.5 1.4 8.0 18.7 9.3 2.1 1.1
4,307.6 419.8 5,241.8
1,936.0 219.2 2,689.6
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -130 -130 -130 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -4998 -4998 -4998 Internal, other unknown Total Load -7058 -7599 -7818 Predicted In-Lake TP -122.0 -124.0 -124.0 Lake TP Goal -50 -50 -50 Allowable Load to Meet Goal -1811 -1941 -2023 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 5248 5657 5795
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
140 Phosphorus Load Goals
120 100
Total Phosphorus Goal
80
Lake Response Model Results
60
Ultimate 2020 2000 Internal Load
40 20 0 -
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Halsteds Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Halsteds Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
Lake Calhoun Lake Harriet
353 28.5 10061 20 23
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Lake Harriet Notes:
2000 (Present) Conditions P-Load Summary Area
Pj
[ac]
[--]
MC-110 to 112, 114 to 118, 122 to 126 MC-127 to MC-130
6398.7 1495.3
Lake Surface Watershed Total
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.345
28.3
0.45
-353 7540.95
P-Load [lb]
2718.92 695.10
155.30 353.77
-272.85 3141.17
-7.4215 501.66
2020 Conditions P-Load Summary
Lake Calhoun Lake Harriet
MC-110 to 112, 114 to 118, 122 to 126 MC-127 to MC-130
Area
Pj
[ac]
[--]
6398.7 1495.3
Lake Surface Total
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.345
28.3
0.45
-353 7540.95 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area
Lake Harriet
[ac] Deductions are all remaining 0.0 cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 0.0 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp. 7% 100% 0.46 18% 0% 0.46 -
MC-127 to MC-130
Total Deduction
Lake Harriet
MC-127 to MC-130
Watershed Total Net Increase Ultimate External Load
[--] 0.31
Pj [--] 0.31 0.31
28.3
0.00
[lb]
2776.75 695.12
173.71 376.90
-272.85 3199.02
-7.4215 543.19
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in]
Pj
P-Load
P-Load [lb]
0.00
0.00
0.00
0.00
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in] 28.3 0.113 28.3 0.212 28.3 3,199.0
P-Load [lb] 543.2
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -85 -85 -85 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -37 -37 -37 Internal, other unknown Total Load -623 -665 -665 Predicted In-Lake TP -23.0 -23.9 -23.9 Lake TP Goal -20 -20 -20 Allowable Load to Meet Goal -508 -512 -512 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 115 152 152
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
40 35
Total Phosphorus Goal
30 25
Phosphorus Load Goals
20 15
Ultimate 2020 2000 Internal Load
Lake Response Model Results
10 5 0 -
100
200
300
400
500
600
700
800
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Harriet Load Analysis.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Harriet Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
Lake Minetonka Direct Lake Harriet Diamond Lake Lake Nokomis Minnehaha Creek
54 14.6 788 61 72
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Lake Hiawatha Notes: Load received through Minnehaha Creek is diminished by 27 percent to account for short-circuiting as determined by Wenck (1998). Goal increased from 50 (HHPLS) to 61 as determined in TMDL. Used Canfield Bachmann (1981) Reservoir Model due to short residence T.
2000 (Present) Conditions P-Load Summary Area
Pj
[ac]
[--]
Lake Hiawatha Direct
Discharge MC-127 to MC-130 MC-142 to MC-144 MC-155 to MC-167 MC-1 to 11, 13 to 25, 28 to 32, 34 to 43, 49 to 72, 74 to 82, 84 to 99, 131 to 141, 145 to 154, 168 to 169 MC-170 to MC-172
Lake Surface Watershed Total
Creek loads reduced 27% for short-circuiting
Annual 2000 Avg. Precip. Rv [in] [--]
7540.9 689.4 2628.6 14784.9
1194.6
0.345
28.3
Volume
P-Load
[ac-ft]
[lb]
32157.30 3141.17 316.17 1010.89 5374.4
9729.16 196.51 121.26 175.98 4377.09
441.05
365.10
0.43
-54 26784.32
-41.74 -1.1352998 31059.29 11021.96
2020 Conditions P-Load Summary
Lake Minetonka Direct Lake Harriet Diamond Lake Lake Nokomis Lake Hiawatha
Lake Hiawatha Direct Lake Surface Total
Discharge MC-127 to MC-130 MC-142 to MC-144 MC-155 to MC-167 MC-1 to 11, 13 to 25, 28 to 32, 34 to 43, 49 to 72, 74 to 82, 84 to 99, 131 to 141, 145 to 154, 168 to 169 MC-170 to MC-172
Area
Pj
[ac]
[--]
7540.9 689.4 2628.6 14784.9
1194.6
0.345
-54 Creek loads reduced 27% for short-circuiting 26784.35 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area
Lake Hiawatha
Lake Hiawatha
Watershed Total Net Increase Ultimate External Load
28.3
Volume
P-Load
[ac-ft]
[lb]
32800.50 3199.02 319.33 1012.19 5536.13
9923.70 208.83 129.42 178.96 4737.58
441.86
391.39
0.43
-41.74 -1.1352998 31693.16 11470.54
Pj
[ac] Deductions are all remaining 0.0 cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 0.0 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp. MC-1 to 11, 13 to 25, 28 to 32, 34 to 43, 7% 100% 0.46 49 to 72, 74 to 82, 84 to 99, 131 to 141, 18% 0% 0.46 145 to 154, 168 to 172 -
[--]
MC-1 to 11, 13 to 25, 28 to 32, 34 to 43, 49 to 72, 74 to 82, 84 to 99, 131 to 141, 145 to 154, 168 to 172
Total Deduction
Annual 2020 Avg. Precip. Rv [--] [in]
0.31
Annual 2020 Avg. Rv Precip. [--] [in] 28.3
Volume
P-Load
[ac-ft]
[lb]
0.00
Pj
Annual 2020 Avg. Precip. Rv [--] [in] [--] 0.31 28.3 0.113 0.31 28.3 0.212 28.3
0.00
0.00
0.00
0.00
Volume
P-Load
[ac-ft] -
[lb]
31,693.2
11,470.5
Canfield-Bachmann (1981) Lake Response Model (Reservoir Model) 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -13 -13 -13 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. --2656 --2656 --2656 Over Prediction by P-Load Total Load -8379 -8827 -8827 Predicted In-Lake TP -72.0 -74.1 -74.1 Lake TP Goal -61 -61 -61 Allowable Load to Meet Goal -6871 -6994 -6994 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 1508 1833 1833
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
80 70 60 50
Phosphorus Load Goals
Total Phosphorus Goal
40 30 20
Ultimate 2020 2000 Internal Load
Lake Response Model Results
10 0 -
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Hiawatha Load Analysis - Reservoir Model.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Hiawatha Load Analysis - Reservoir Model.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
68 5.08 376 75 75
Holy Name Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area Pj [ac] Holy Name
LLC-10
[--]
463.4
Lake Surface Watershed Total
Annual Precip. [in]
0.63
2000 Avg. Rv [--]
28.3
Volume
P-Load
[ac-ft]
[lb]
0.21
-68 395.4 2020 Conditions P-Load Summary Area
Holy Name
[ac] 463.4
LLC-10
Subtract Lake Surface Total
Holy Name
90.0
-96.0 125.9
-2.6 87.4
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.63 28.3 0.24 234.9
-68 -96.0 395.4 138.9 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Annual 2020 Volume Deductions are all remaining Precip. Avg. Rv cropland, plus one half of the [ac] [--] [in] [--] [ac-ft] total forest, woodland and 0.47 0.63 28.3 0.08 0.1 shrubland that are not wetland, based on MLCCS codes. Regional parks and open space 0.5 0.1 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Annual 2020 Volume Impervious Phos. Precip. Avg. Rv Percent Category [mg/L] [ac] [--] [in] [--] [ac-ft] Imp. 7% 93% 0.46 0.44 0.63 28.3 0.113 0.1 18% 7% 0.46 0.03 0.63 28.3 0.212 0.0 0.47 28.3 0.08 0.03 138.9
LLC-10
Total Deduction
Holy Name
221.9
LLC-10
Watershed Total Net Increase Ultimate External Load
P-Load [lb] 143.5 -2.6 140.9
P-Load [lb] 0.0
0.0 P-Load [lb] 0.1 0.0 0.11 0.08 140.9
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -16 -16 -16 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -43 -43 -43 Internal, other unknown Total Load -146 -200 -200 Predicted In-Lake TP -75.0 -89.5 -89.5 Lake TP Goal -75 -75 -75 Allowable Load to Meet Goal -146 -150 -151 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 0 50 49
Lake Phosphorus Loading Response Model Total Phosphorus Goal
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
110 100 90 80 70
Phosphorus Load Goals
60 50
Ultimate 2020 2000 Internal Load
Lake Response Model Results
40 30 20 10 0 -
20
40
60
80
100
120
140
160
180
200
220
240
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Holy Name Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Holy Name Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
103 9 927 40 38
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Lake of the Isles Notes:
2000 (Present) Conditions P-Load Summary Area [ac] Cedar Lake Lake of the Isles
MC-100 to MC-106, MC-109 MC-119 to MC-121
2495.1 945.4
Lake Surface Watershed Total
Cedar Lake Lake of the Isles
Pj
Annual Precip. [in]
[--]
0.345
2020 Conditions P-Load Summary Area
Pj
[ac]
[--]
MC-100 to MC-106, MC-109 MC-119 to MC-121
2495.1 945.4
Annual Precip. [in]
0.345
-103 3337.45 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj
MC-119 to MC-121
Total Deduction
Lake of the Isles
28.3
0.49
-103 3337.45
Lake Surface Total
Lake of the Isles
2000 Avg. Rv [--]
MC-119 to MC-121
Watershed Total Net Increase Ultimate External Load
[ac] Deductions are all remaining cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 0.0 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Impervious Percent Phos. Category Imp. [mg/L] [ac] 7% 100% 0.46 18% 0% 0.46 -
2020 Avg. Rv [--]
28.3
Annual Precip. [in]
[--] 0.31
0.49
2020 Avg. Rv [--]
Volume
P-Load
[ac-ft]
[lb]
972.17 416.73
58.17 271.92
-79.61 1309.29
-2.16548 327.93
Volume
P-Load
[ac-ft]
[lb]
999.40 417.04
62.52 307.43
-79.61 1336.83
-2.16548 367.79
Volume
P-Load
[ac-ft]
[lb]
28.3
0.00 Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.31 28.3 0.113 0.31 28.3 0.212 28.3 1,336.8
0.00 P-Load [lb] 367.8
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -25 -25 -25 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. --86 --86 --86 Over Prediction by P-Load Total Load -267 -306 -306 Predicted In-Lake TP -38.0 -41.9 -41.9 Lake TP Goal -40 -40 -40 Allowable Load to Meet Goal -284 -288 -288 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) -18 18 18
Lake Phosphorus Loading Response Model
Total Phosphorus Goal
55 50 45 40 35
Phosphorus Load Goals
30 25 Lake Response Model Results
20 15 10
Ultimate 2020 2000 Internal Load
5 0 -
40
80
120
160
200
240
280
320
360
400
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Isles Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Isles Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
302 11.3 3345 50 94
Jennings Bay Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area Pj [ac] Dutch Lake Dutch Lake Painter Creek Lake Minnetonka Direct
Lake Outflow DL-6 & DL-7 PC-1 to PC-26 LM-JB
1741.8 145.9 8652.6 868.7
Jennings Bay Surface Watershed Total
[--]
0.62 0.71 0.29
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
28.3 28.3 28.3
0.27 0.22 0.32
-302 11107 2020 Conditions P-Load Summary Area [ac]
Dutch Lake Dutch Lake Painter Creek Lake Minnetonka Direct
Lake Outflow DL-6 & DL-7 PC-1 to PC-26 LM-JB
Jennings Bay Surface Total
1741.8 145.9 8652.6 868.7
Pj [--]
0.62 0.71 0.29
-302 11107 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj
Dutch Lake Dutch Lake Painter Creek Lake Minnetonka Direct
DL-1 to DL-5 DL-6 & DL-7 PC-1 to PC-26 LM-JB
Total Deduction
Dutch Lake Dutch Lake
DL-1 to DL-5 DL-6 & DL-7
Painter Creek
PC-1 to PC-26
Lake Minnetonka Direct
LM-JB
0.31 0.23 0.33
68.3 39.8 1590.5 133.2
-196.2 3808.4
-5.3 1826.5
80% 20% 46% 54% 79% 21%
0.46 0.46 0.46 0.46 0.46 0.46
Watershed Total Net Increase Ultimate External Load
14.9 3.7 470.3 552.1 18.1 4.8
0.62 0.62 0.71 0.71 0.29 0.29
1,063.9
28.3
[lb]
4073.0 264.0
-196.2 4050.2
-5.3 4646.7
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
28.3 28.3 28.3 28.3 28.3 28.3
P-Load
466.9 65.3 3389.7 324.5
[ac] [--] Deductions are all remaining 466.9 cropland, plus one half of the 18.6 0.62 28.3 0.06 1.6 total forest, woodland and 1022.4 0.71 28.3 0.07 118.4 shrubland that are not wetland, 22.9 0.29 28.3 0.06 0.9 based on MLCCS codes. Regional parks and open space 1063.9 587.8 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Annual 2020 Avg. Volume Impervious Phos. Precip. Rv Percent Category [mg/L] [ac] [--] [in] [--] [ac-ft] Imp.
7% 18% 7% 18% 7% 18%
[lb]
418.6 56.9 3209.4 319.7
Annual 2020 Avg. Volume Precip. Rv [--] [ac-ft] [in]
28.3 28.3 28.3
P-Load
315.0
P-Load [lb] 85.1 0.2 75.7 0.1 161.0 P-Load [lb]
506.0 2.5 1.2 89.0 196.0 1.4 0.7
93.6 3.1 1.4 111.3 245.2 1.7 0.9
796.7 208.8 4,259.1
457.3 296.3 4,942.9
0.113 0.212 0.113 0.212 0.113 0.212
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -72 -72 -72 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -1463 -1463 -1463 Internal, other unknown Total Load -3362 -6182 -6478 Predicted In-Lake TP -103.6 -153.7 -156.4 Lake TP Goal -50 -50 -50 Allowable Load to Meet Goal -1207 -1252 -1290 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 2155 4931 5189
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
Lake Phosphorus Loading Response Model 130 120 110 100 90 80 70 60 50 40 30 20 10 0
Phosphorus Load Goals
Total Phosphorus Goal
Ultimate 2020 2000 Internal Load
Lake Response Model Results
-
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Jennings Bay Load Analysis - Feasibility.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Jennings Bay Load Analysis - Feasibility.xls
Langdon Lake Loading and Response Analysis - Goal = 55 ug/L 144 [acre] Notes: 8.3 [ft] 1196 [ac-ft] 55 [ug/L] 87 [ug/L]
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
2000 (Present) Conditions P-Load Summary Area Pj [ac] Langdon Lake
LL-1 to LL-5
1055.3
Lake Surface Watershed Total
[--]
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.43
28.3
0.26
-144 911.3 2020 Conditions P-Load Summary Area [ac]
Langdon Lake
LL-1 to LL-5
Lake Surface Total
Langdon Lake
LL-1 to LL-5
1055.3
Pj [--]
-144 911.3 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Deductions are all remaining cropland, plus one half of the [ac] [--] total forest, woodland and shrubland that are not wetland, 6.7 0.43 based on MLCCS codes. Regional parks and open space 6.7 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Impervious Percent Phos. Category Imp. [mg/L] [ac] [--]
Total Deduction
Langdon Lake
LL-1 to LL-5
7% 18%
Watershed Total Net Increase Ultimate External Load
54% 46%
0.46 0.46
3.6 3.1 6.7
28.3
0.31
148.1
-138.7 244.8
-3.8 144.3
0.07
28.3 28.3 28.3
0.113 0.212
[lb] 225.7
-138.7 289.5
-3.8 221.9
P-Load [lb]
0.4
0.1
0.4
0.1
Annual 2020 Avg. Volume Rv Precip. [in] [--] [ac-ft]
0.43 0.43
P-Load
428.3
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in] 28.3
[lb]
383.5
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.43
P-Load
P-Load
0.4 0.7 1.1 0.6 290.2
[lb] 0.5 0.8 1.3 1.2 223.1
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -35 -35 -35 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -Unknown Load Est. -352 -352 -352 Internal, other unknown Total Load -531 -608 -609 Predicted In-Lake TP -87.0 -92.6 -92.6 Lake TP Goal -55 -55 -55 Allowable Load to Meet Goal -247 -258 -258 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 284 351 352
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
100 90
Total Phosphorus Goal
80 70 60 50 40 30
Lake Response Model Results
20 10
Ultimate 2020 2000 Unknown Load
Phosphorus Load Goals
0 -
100
200
300
400
500
600
700
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Langdon Load Analysis.xls, Load Analysis (Goal = 55) 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Langdon Load Analysis.xls
Langdon Lake Loading and Response Analysis - Goal = 70 ug/L 144 [acre] Notes: 8.3 [ft] 1196 [ac-ft] 70 [ug/L] 87 [ug/L]
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
2000 (Present) Conditions P-Load Summary Area Pj [ac] Langdon Lake
LL-1 to LL-5
1055.3
Lake Surface Watershed Total
[--]
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.43
28.3
0.26
-144 911.3 2020 Conditions P-Load Summary Area [ac]
Langdon Lake
LL-1 to LL-5
Lake Surface Total
Langdon Lake
LL-1 to LL-5
1055.3
Pj [--]
-144 911.3 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Deductions are all remaining cropland, plus one half of the [ac] [--] total forest, woodland and shrubland that are not wetland, 6.7 0.43 based on MLCCS codes. Regional parks and open space 6.7 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Impervious Percent Phos. Category Imp. [mg/L] [ac] [--]
Total Deduction
Langdon Lake
LL-1 to LL-5
7% 18%
Watershed Total Net Increase Ultimate External Load
54% 46%
0.46 0.46
3.6 3.1 6.7
28.3
0.31
148.1
-138.7 244.8
-3.8 144.3
0.07
28.3 28.3 28.3
0.113 0.212
[lb] 225.7
-138.7 289.5
-3.8 221.9
P-Load [lb]
0.44
0.11
0.44
0.11
Annual 2020 Avg. Volume Rv Precip. [in] [--] [ac-ft]
0.43 0.43
P-Load
428.3
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in] 28.3
[lb]
383.5
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.43
P-Load
0.4 0.7 1.1 0.6 290.2
P-Load [lb] 0.5 0.8 1.3 1.2 223.1
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -35 -35 -35 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -Unknown Load Est. -352 -352 -352 Internal, other unknown Total Load -531 -608 -609 Predicted In-Lake TP -87.0 -92.6 -92.6 Lake TP Goal -70 -70 -70 Not linked to model spreadsheet Allowable Load to Meet Goal -368 -382 -382 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 163 226 227
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
100 90
Total Phosphorus Goal
80 70 60 50 40 30
Lake Response Model Results
20 10
Ultimate 2020 2000 Unknown Load
Phosphorus Load Goals
0 -
100
200
300
400
500
600
700
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Langdon Load Analysis.xls, Load Analysis (Goal = 70) 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Langdon Load Analysis.xls
Langdon Lake Loading and Response Analysis - Goal = 55 ug/L 144 [acre] Notes: 8.3 [ft] 1196 [ac-ft] 55 [ug/L] 87 [ug/L]
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
2000 (Present) Conditions P-Load Summary Area Pj [ac] Langdon Lake
LL-1 to LL-5
1055.3
Lake Surface Watershed Total
[ac] LL-1 to LL-5
Lake Surface Total
Langdon Lake
LL-1 to LL-5
1055.3
Pj [--]
28.3
0.26
-144 911.3 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Deductions are all remaining cropland, plus one half of the [ac] [--] total forest, woodland and shrubland that are not wetland, 6.7 0.43 based on MLCCS codes.
LL-1 to LL-5
7% 18%
Watershed Total Net Increase Ultimate External Load
54% 46%
0.46 0.46
3.6 3.1 6.7
28.3
0.31
0.07
-138.7 244.8
-3.8 144.3
28.3 28.3 28.3
0.113 0.212
P-Load [lb]
428.3
225.7
-138.7 289.5
-3.8 221.9
P-Load [lb]
0.4
0.1
0.4
0.1
Annual 2020 Avg. Volume Rv Precip. [in] [--] [ac-ft]
0.43 0.43
[lb] 148.1
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in] 28.3
P-Load
383.5
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.43
Regional parks and open space 6.7 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Impervious Percent Phos. Category Imp. [mg/L] [ac] [--]
Total Deduction
Langdon Lake
0.43
-144 911.3 2020 Conditions P-Load Summary Area
Langdon Lake
[--]
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.4 0.7 1.1 0.6 290.2
P-Load [lb] 0.5 0.8 1.3 1.2 223.1
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -35 -35 -35 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -Unknown Load Est. -352 -352 -352 Internal, other unknown Total Load -531 -608 -609 Predicted In-Lake TP -87.0 -92.6 -92.6 Lake TP Goal -55 -55 -55 Allowable Load to Meet Goal -247 -258 -258 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 284 351 352
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
100 90
Total Phosphorus Goal
80 70 60 50 40 30
Lake Response Model Results
20 10
Ultimate 2020 2000 Unknown Load
Phosphorus Load Goals
0 -
100
200
300
400
500
600
700
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Langdon Load Analysis.xls, Load Analysis (Goal = 55) 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Langdon Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
261 14.1 3680 40 64
Long Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Average based on 1999 to 2004
2000 (Present) Conditions P-Load Summary Area
Pj
[ac]
[--]
Wolsfeld LLC-1 To LLC-6 Holy Name LLC-10 Long Lake LLC-7 to 9, 11 to 19, 24 to 39, 41 Reduction from treatment due to City, Deer Hill and Cnty Rd 6 ponds
1592.3 463.4 3821.7
Lake Surface Watershed Total
-261 5616.4
0.63
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
28.3
0.22
P-Load [lb]
486.33 125.94 1548.51
99.21 25.69 797.61 -123.05
-368.39 1792.39
-10.0203 789.44
2020 Conditions P-Load Summary
Wolsfeld LLC1 To LLC-6 Holy Name LLC-10 Long Lake LLC-7 to 9, 11 to 19, 24 to 39, 41 Reduction from treatment due to City, Deer Hill and Cnty Rd 6 ponds Subtract Lake Surface Total
Wolsfeld Holy Name Long Lake
Pj
[ac]
[--]
1592.3 463.4 3821.7
-261 5616.4 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area
LLC1 To LLC-6 LLC-10 LLC-7 to 9, 11 to 19, 24 to 39, 41
Total Deduction
Wolsfeld Holy Name Long Lake
Area
LLC1 To LLC-6 LLC-10 LLC-7 to 9, 11 to 19, 24 to 39, 41
Deductions are all remaining [ac] cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 65.9 based on MLCCS codes. Regional parks and open space 65.9 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
7% 18%
93% 7%
0.46 0.46
Watershed Total Net Increase Ultimate External Load
61.30 4.61 65.92
0.63
Pj [--]
0.63
Pj [--]
0.63 0.63
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
28.3
0.25
0.06
[lb]
526.78 138.87 1670.50
138.99 33.81 1066.52 -180.30
-368.39 1967.76
-10.0203 1048.99
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in]
28.3
P-Load
P-Load [lb]
526.78 138.87 5.78
138.99 33.81 1.02
671.43
173.81
Annual 2020 Avg. Volume Precip. Rv [--] [ac-ft] [in] 529.6 138.9 28.3 0.113 10.3 28.3 0.212 1.5 680.2 8.8 1,976.6
P-Load [lb] 141.2 33.8 12.9 1.8 189.7 15.9 1,064.9
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -63 -63 -63 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -412 -412 -412 Internal, other unknown Total Load -1264 -1523 -1539 Predicted In-Lake TP -64.0 -70.7 -71.1 Lake TP Goal -40 -40 -40 Allowable Load to Meet Goal -625 -652 -654 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 639 871 885
t:\0185\4315\04e\Long Load Analysis.xls, Load Analysis - Goal = 40 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Long Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
261 14.1 3680 50 64
Long Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Average based on 1999 to 2004
2000 (Present) Conditions P-Load Summary Area
Pj
[ac]
[--]
Wolsfeld LLC-1 To LLC-6 Holy Name LLC-10 Long Lake LLC-7 to 9, 11 to 19, 24 to 39, 41 Reduction from treatment due to City, Deer Hill and Cnty Rd 6 ponds
1592.3 463.4 3821.7
Lake Surface Watershed Total
-261 5616.4
0.63
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
28.3
0.22
P-Load [lb]
486.33 125.94 1548.51
99.21 25.69 797.61 -123.05
-368.39 1792.39
-10.0203 789.44
2020 Conditions P-Load Summary
Wolsfeld LLC1 To LLC-6 Holy Name LLC-10 Long Lake LLC-7 to 9, 11 to 19, 24 to 39, 41 Reduction from treatment due to City, Deer Hill and Cnty Rd 6 ponds Subtract Lake Surface Total
Wolsfeld Holy Name Long Lake
Pj
[ac]
[--]
1592.3 463.4 3821.7
-261 5616.4 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area
LLC1 To LLC-6 LLC-10 LLC-7 to 9, 11 to 19, 24 to 39, 41
Total Deduction
Wolsfeld Holy Name Long Lake
Area
LLC1 To LLC-6 LLC-10 LLC-7 to 9, 11 to 19, 24 to 39, 41
Deductions are all remaining [ac] cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 65.9 based on MLCCS codes. Regional parks and open space 65.9 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
7% 18%
93% 7%
0.46 0.46
Watershed Total Net Increase Ultimate External Load
61.30 4.61 65.92
0.63
Pj [--]
0.63
Pj [--]
0.63 0.63
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
28.3
0.25
0.06
[lb]
526.78 138.87 1670.50
138.99 33.81 1066.52 -180.30
-368.39 1967.76
-10.0203 1048.99
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in]
28.3
P-Load
P-Load [lb]
526.78 138.87 5.78
138.99 33.81 1.02
671.43
173.81
Annual 2020 Avg. Volume Precip. Rv [--] [ac-ft] [in] 529.6 138.9 28.3 0.113 10.3 28.3 0.212 1.5 680.2 8.8 1,976.6
P-Load [lb] 141.2 33.8 12.9 1.8 189.7 15.9 1,064.9
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -63 -63 -63 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -412 -412 -412 Internal, other unknown Total Load -1264 -1523 -1539 Predicted In-Lake TP -64.0 -70.7 -71.1 Lake TP Goal -50 -50 -50 Allowable Load to Meet Goal -869 -904 -906 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 395 619 633
t:\0185\4315\04e\Long Load Analysis.xls, Load Analysis - Goal = 50 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Long Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Existing Phosphorus
261 14.1 3680 50 64
Long Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Average based on 1999 to 2004
2000 (Present) Conditions P-Load Summary Area
Pj
[ac]
[--]
Wolsfeld Holy Name LLC-10 Long Lake LLC-7 to 9, 11 to 19, 24 to 39, 41 Reduction from treatment due to City, Deer Hill and Cnty Rd 6 ponds
1558.1 395.4 3821.7
Lake Surface Watershed Total
-261 5514.2
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.63
28.3
0.22
P-Load [lb]
486.3 125.9 1548.5
99.2 25.7 797.6 -123.1
-368.4 1792.4
-10.0 789.4
2020 Conditions P-Load Summary
Wolsfeld LLC1 To LLC-6 Holy Name LLC-10 Long Lake LLC-7 to 9, 11 to 19, 24 to 39, 41 Reduction from treatment due to City, Deer Hill and Cnty Rd 6 ponds Subtract Lake Surface Total
Wolsfeld Holy Name Long Lake
Pj
[ac]
[--]
1592.3 463.4 3821.7
-261 5616.4 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area
LLC1 To LLC-6 LLC-10 LLC-7 to 9, 11 to 19, 24 to 39, 41
Total Deduction
Wolsfeld Holy Name Long Lake
Area
LLC1 To LLC-6 LLC-10 LLC-7 to 9, 11 to 19, 24 to 39, 41
Deductions are all remaining [ac] cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 65.9 based on MLCCS codes. Regional parks and open space 65.9 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
7% 18%
93% 7%
0.46 0.46
Watershed Total Net Increase Ultimate External Load
61.30 4.61 65.92
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.63
Pj [--]
28.3
[--]
0.63 0.63
28.3
0.06
[lb]
526.8 138.9 1670.5
139.0 33.8 1066.5 -180.3
-368.4 1967.8
-10.0 1049.0
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in]
0.63
Pj
0.25
P-Load
P-Load [lb]
526.78 138.87 5.78
138.99 33.81 1.02
671.43
173.81
Annual 2020 Avg. Volume Precip. Rv [--] [ac-ft] [in] 529.6 138.9 28.3 0.113 10.3 28.3 0.212 1.5 680.2 8.8 1,976.6
P-Load [lb] 141.2 33.8 12.9 1.8 189.7 15.9 1,064.9
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -63 -63 -63 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -412 -412 -412 Internal, other unknown Total Load -1264 -1523 -1539 Predicted In-Lake TP -64.0 -70.7 -71.1 Lake TP Goal -50 -50 -50 Allowable Load to Meet Goal -869 -904 -906 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 395 619 633
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
80
Total Phosphorus Goal
70
Phosphorus Load Goals
60 50 40 30
Ultimate 2020 2000 Internal Load
Lake Response Model Results
20 10 0 -
200
400
600
800
1,000
1,200
1,400
1,600
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Long Load Analysis.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Long Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
107 3.2 341 70 80
Lunsten Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area
Pj
[ac] Lake Auburn West Lunsten Lake
SMC-28, SMC-29 SMC-30 to SMC-37
[--]
6770.3 1929.3
Lake Surface Watershed Total
Annual Precip. [in]
0.55
28.3
2000 Avg. Rv [--]
0.19
-107 8592.6
Lake Auburn West Lunsten Lake
[ac]
[--]
6770.3 1929.3
SMC-28, SMC-29 SMC-30 to SMC-37
-107 8592.6 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Deductions are all remaining cropland, plus one half of the [ac] total forest, woodland and shrubland that are not wetland, 510.1 based on MLCCS codes.
SMC-28, SMC-29 SMC-30 to SMC-37
7% 18%
25% 75%
0.46 0.46
Pj [--]
28.3
Annual Precip. [in]
0.55
Pj [--]
127.5 382.6 510.1
Watershed Total Net Increase Ultimate External Load
Annual Precip. [in]
0.55
Regional parks and open space 510.1 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
Total Deduction
Lake Auburn West Lunsten Lake
Pj
SMC-28, SMC-29 SMC-30 to SMC-37
Lake Surface Total
Lake Auburn West Lunsten Lake
2020 Conditions P-Load Summary Area
28.3
Annual Precip. [in]
0.55 0.55
28.3 28.3
2020 Avg. Rv [--] 0.20
2020 Avg. Rv [--] 0.08
2020 Avg. Rv [--] 0.113 0.212
Volume
P-Load
[ac-ft]
[lb]
2029.4 581.4
226.3 150.0
-131.8 2478.9
-3.6 372.8
Volume
P-Load
[ac-ft]
[lb]
2308.8 597.2
270.0 183.7
-131.8 2774.1
-3.6 450.1
Volume
P-Load
[ac-ft]
[lb]
2308.8 51.5
270.0 44.4
2360.3
314.4
Volume
P-Load
[ac-ft] 2,425.3 18.7 105.2 2,549.2 188.9 2,963.0
[lb] 290.3 23.4 131.6 445.3 130.9 581.0
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -26 -26 -26 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -408 -408 -408 Internal, other unknown Total Load -806 -883 -1014 Predicted In-Lake TP -80.0 -80.2 -86.2 Lake TP Goal -70 -70 -70 Allowable Load to Meet Goal -688 -753 -794 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 118 131 220
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
90 80 70 60
Phosphorus Load Goals
Total Phosphorus Goal
50 40
Lake Response Model Results
30
Ultimate 2020 2000 Internal Load
20 10 0 -
100
200
300
400
500
600
700
800
900
1,000
1,100
1,200
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Lunsten Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Lunsten Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
742 17 12614 20 22
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Lake Minnewashta Notes:
2000 (Present) Conditions P-Load Summary Area [ac] Lake Minnewashta
LMC-1 to LMC-6, LMC 9, LMC 10
2835.7
Lake Surface Watershed Total
Pj
Annual Precip. [in]
[--] 0.39
2000 Avg. Rv [--]
28.3
Volume
P-Load
[ac-ft]
[lb]
0.20
-742 2093.7 2020 Conditions P-Load Summary Area
Pj
[ac]
[--]
Lake Minnewashta
LMC-1 to LMC-6, LMC 9, LMC 10
Lake Surface Total
-742 2093.7 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Deductions are all remaining Area cropland, plus one half of the total forest, woodland and [ac] shrubland that are not wetland, LMC-1 to LMC-6, LMC 9, LMC 10 based on MLCCS codes. 190.4 Regional Parks and open space 190.4 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
Lake Minnewashta Total Deduction
Lake Minnewashta
2835.7
LMC-1 to LMC-6, LMC 9, LMC 10
7% 18%
70% 30%
0.46 0.46
Watershed Total Net Increase Ultimate External Load
133.3 57.1 190.4
Annual Precip. [in]
0.39
Pj
28.3
Annual Precip. [in]
[--] 0.39
Pj
0.39 0.39
0.21
2020 Avg. Rv [--]
28.3
Annual Precip. [in]
[--]
2020 Avg. Rv [--]
28.3 28.3 28.3
0.113 0.212
229
-648 388
-18 212
Volume
P-Load
[ac-ft]
[lb]
1057.1
267.4
-648.3 408.8
-17.6 249.7
Volume
P-Load
[ac-ft]
[lb]
0.08
2020 Avg. Rv [--]
1036
13.3
4.8
13.3
4.8
Volume
P-Load
[ac-ft]
[lb]
13.9 11.1 25.0 11.7 420.4
17.3 13.9 31.3 26.4 276.2
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -178 -178 -178 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -0 -0 -0 Internal, other unknown Total Load -390 -428 -454 Predicted In-Lake TP -21.7 -22.8 -23.6 Lake TP Goal -20 -20 -20 Allowable Load to Meet Goal -337 -339 -341 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 52 89 114
Lake Phosphorus Loading Response Model 35
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
30 25
Total Phosphorus Goal
Phosphorus Load Goals
20 15
Ultimate 2020 2000 Internal Load
Lake Response Model Results
10 5 0
-
50
100
t:\0185\4315\04e\Minnewashta Load Analysis.xls, Load Analysis 1/10/2006
150
200
250
300
350
Total Lake Phosphorus Load [lb/yr]
Minnehaha Creek Watershed District Water Resources Managment Plan
400
450
500
550
Minnewashta Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
75 3 225 60 163
Mud Lake Notes: Reservior Model
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area Pj [ac] Parley Lake Mud Lake
SMC-40 to SMC-47 SMC-48 to SMC-61
10738.2 2669.3
Lake Surface Watershed Total
[--]
Annual Precip. [in]
0.55
28.3
2000 Avg. Rv [--]
0.16
-75 13332.5 2020 Conditions P-Load Summary Area [ac]
Parley Lake Mud Lake
SMC-40 to SMC-47 SMC-48 to SMC-61
Lake Surface Total
Parley Lake Mud Lake
SMC-40 to SMC-47 SMC-48 to SMC-61
Total Deduction
Parley Lake Mud Lake
SMC-40 to SMC-47 SMC-48 to SMC-61
10738.2 2669.3
Pj [--]
0.55
-75 13332.5 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Deductions are all remaining cropland, plus one half of the [ac] [--] total forest, woodland and shrubland that are not wetland, 688.3 0.55 based on MLCCS codes. Regional parks and open space 688.3 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Impervious Percent Phos. Category Imp. [mg/L] [ac] [--] 7% 18%
Watershed Total Net Increase Ultimate External Load
25% 75%
0.46 0.46
172.1 516.3 688.3
Annual Precip. [in]
28.3
Annual Precip. [in] 28.3
Annual Precip. [in]
0.55 0.55
28.3 28.3
2020 Avg. Rv [--]
0.20
2020 Avg. Rv [--] 0.06
2020 Avg. Rv [--]
Volume
P-Load
[ac-ft]
[lb]
2868.1 617.7
663.1 290.7
-92.4 3393.3
-2.5 951.3
Volume
P-Load
[ac-ft]
[lb]
3189.7 776.2
728.8 508.6
-92.4 3873.4
-2.5 1234.9
Volume
P-Load
[ac-ft]
[lb]
3189.7 55.6
728.8 39.6
3245.3
768.4
Volume
P-Load
[ac-ft] 3,479.9 25.2 142.0 3,647.1 401.8 4,275.2
0.113 0.212
[lb] 851.9 31.6 177.6 1,061.1 292.7 1,527.6
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -18 -18 -18 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -1221 -1221 -1221 Internal, other unknown Total Load -2190 -2473 -2766 Predicted In-Lake TP -163.0 -165.1 -169.6 Lake TP Goal -60 -60 -60 Allowable Load to Meet Goal -702 -789 -860 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 1488 1685 1906
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
180 160
Phosphorus Load Goals
140 120
Total Phosphorus Goal
100 80
Lake Response Model Results
Ultimate 2020 2000 Internal Load
60 40 20 0 -
400
800
1,200
1,600
2,000
2,400
2,800
Total Lake Phosphorus Load [lb/yr] t:\0185\4315\04e\Mud Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Mud Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
204 14.1 2876 50 64
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Lake Nokomis Notes:
2000 (Present) Conditions P-Load Summary Area
Pj
[ac] Lake Nokomis MC-155 to MC-167 Upper Watershed Removals
2832.6
Lake Surface Watershed Total
-204 2628.6
0.345
2020 Conditions P-Load Summary Area
Pj
[ac]
[--]
Lake Nokomis MC-155 to MC-167 Upper Watershed Removals Lake Surface Total
[--]
2832.6
0.345
-204 2628.6 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area
Lake Nokomis
MC-155 to MC-167
Total Deduction
Lake Nokomis
MC-155 to MC-167
Watershed Total Net Increase Ultimate External Load
Pj
[ac] Deductions are all remaining 0.0 cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 0.0 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp. 7% 100% 0.46 18% 0% 0.46 -
[--] 0.31
Annual Precip. [in] 28.3
Annual Precip. [in] 28.3
Annual Precip. [in] 28.3
2000 Avg. Rv [--] 0.47
2020 Avg. Rv [--] 0.47
2020 Avg. Rv [--]
Volume
P-Load
[ac-ft]
[lb]
1168.57
791.11 -360.00
-157.68 1010.89
-4.28891 426.82
Volume
P-Load
[ac-ft]
[lb]
1169.87
836.40 -379.00
-157.68 1012.19
-4.28891 453.11
Volume
P-Load
[ac-ft]
[lb]
0.00
0.00
0.00
0.00
0.00
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.31 28.3 0.113 0.31 28.3 0.212 28.3 1,012.2
P-Load [lb] 453.1
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -49 -49 -49 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -406 -406 -406 Internal, other unknown Total Load -882 -908 -908 Predicted In-Lake TP -64.0 -65.2 -65.2 Lake TP Goal -50 -50 -50 Allowable Load to Meet Goal -599 -599 -599 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 284 310 310
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
80
Total Phosphorus Goal
70 60 50
Phosphorus Load Goals
40 Lake Response Model Results
30 20
Ultimate 2020 2000 Internal Load
10 0 -
100
t:\0185\4315\04e\Nokomis Load Analysis.xls, Load Analysis 11/29/2005
200
300
400
500
600
Total Lake Phosphorus Load [lb/yr]
Minnehaha Creek Watershed District Water Resources Managment Plan
700
800
900
1,000
Nokomis Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
356 13 4628 30 30
[acre] [ft] [ac-ft] [ug/L] [ug/L]
North Arm Notes:
2000 (Present) Conditions P-Load Summary Area Pj [ac] North Arm
NA-LM
[--]
774.1
Lake Surface Watershed Total
Annual Precip. [in]
0.31
2020 Avg. Rv [--]
28.3
0.19
-356 418.103 2020 Conditions P-Load Summary Area [ac]
North Arm
NA-LM
0.31
-356 418.096 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj
North Arm
2020 Avg. Rv [--]
28.3
Annual Precip. [in]
0.20
2020 Avg. Rv [--]
P-Load
[ac-ft]
[lb]
306.0
90.1
-247.3 58.8
-6.7 83.4
Volume
P-Load
[ac-ft]
[lb]
309.6
103.6
-247.3 62.4
-6.7 96.8
Volume
[ac-ft] [ac] [--] Deductions are all remaining 3.2 0.31 28.3 0.06 0.1 cropland, plus one half of the total forest, woodland and shrubland that are not wetland, 3.2 0.1 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Pj Annual 2020 Volume Impervious Phos. Precip. Avg. Rv Percent Category [mg/L] [ac] [--] [in] [--] [ac-ft] Imp. 7% 79% 0.46 2.5 0.31 28.3 0.113 0.2 18% 21% 0.46 0.7 0.31 28.3 0.212 0.1 3.2 28.3 0.3 0.2 62.5
NA-LM
Total Deduction
North Arm
Annual Precip. [in]
[--]
774.1
Lake Surface Total
Pj
Volume
NA-LM
Watershed Total Net Increase Ultimate External Load
P-Load [lb] 0.0
0.0 P-Load [lb] 0.3 0.1 0.4 0.4 97.2
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -85 -85 -85 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -73 -73 -73 Internal, other unknown Total Load -241 -255 -255 Predicted In-Lake TP -30.0 -30.9 -30.9 Lake TP Goal -30 -30 -30 Allowable Load to Meet Goal -241 -241 -241 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 1 13 14
Lake Phosphorus Loading Response Model Total Phosphorus Goal
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
45 40 35
Phosphorus Load Goals
30 25 20 15
Ultimate 2020 2000 Internal Load
Lake Response Model Results
10 5 0 -
30
60
90
120
150
180
210
240
270
300
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\North Arm Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
North Arm Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
243 7 1701 60 85
Parley Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area
Pj
[ac] Lunsten Lake Parley Lake
SMC-30 to SMC-37 SMC-40 to SMC-47
8592.6 2388.6
Lake Surface Watershed Total
Lunsten Lake Parley Lake Lake Surface Total
SMC-30 to SMC-37 SMC-40 to SMC-47
2020 Conditions P-Load Summary Area
Pj
[ac]
[--]
8592.6 2388.6
28.3
-243 10738.2 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Deductions are all remaining cropland, plus one half of the [ac] total forest, woodland and shrubland that are not wetland, 756.4 based on MLCCS codes.
SMC-30 to SMC-37 SMC-40 to SMC-47
7% 18%
25% 75%
0.46 0.46
Watershed Total Net Increase Ultimate External Load
Annual Precip. [in]
0.55
Regional parks and open space 756.4 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
Total Deduction
Lunsten Lake Parley Lake
0.55
2000 Avg. Rv [--]
0.14
-243 10738.2
SMC-30 to SMC-37 SMC-40 to SMC-47
Lunsten Lake Parley Lake
[--]
Annual Precip. [in]
Pj [--]
[--]
189.1 567.3 756.4
28.3
Annual Precip. [in]
0.55
Pj
2020 Avg. Rv [--]
0.14
2020 Avg. Rv [--]
28.3
Annual Precip. [in]
0.55 0.55
0.06
2020 Avg. Rv [--]
28.3 28.3
0.113 0.212
Volume
P-Load
[ac-ft]
[lb]
2478.9 688.6
539.4 136.9
-299.4 2868.1
-8.1 668.2
Volume
P-Load
[ac-ft]
[lb]
2774.1 695.2
596.1 149.7
-299.4 3169.9
-8.1 737.7
Volume
P-Load
[ac-ft]
[lb]
2774.1 62.6
596.1 36.7
2836.7
632.8
Volume [ac-ft] 2,963.0 27.7 156.0 3,146.7 310.0 3,479.9
P-Load [lb] 668.9 34.7 195.2 898.8 266.0 1,003.7
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -58 -58 -58 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -860 -860 -860 Internal, other unknown Total Load -1586 -1656 -1922 Predicted In-Lake TP -85.0 -84.1 -90.1 Lake TP Goal -60 -60 -60 Allowable Load to Meet Goal -992 -1056 -1122 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 594 599 800
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
100
Phosphorus Load Goals
Total Phosphorus Goal
90 80 70 60 50
Lake Response Model Results
40
Ultimate 2020 2000 Internal Load
30 20 10 0 -
200
400
600
800
1,000
1,200
1,400
1,600
1,800
2,000
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Parley Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Parley Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
235 16 3760 27 39
Pierson Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area Pj [ac] Pierson Lake
SMC-1
1199.7
Lake Surface Watershed Total
[ac] SMC-1
SMC-1
Total Deduction
Pierson Lake
Pj [--]
1199.7
Lake Surface Total
Pierson Lake
0.55
28.3
2000 Avg. Rv [--] 0.16
-235 964.7 2020 Conditions P-Load Summary Area
Pierson Lake
[--]
Annual Precip. [in]
Annual Precip. [in]
[lb]
484.8
124.9
-289.6 195.2
-7.9 117.0
Volume
P-Load
[ac-ft]
[lb]
-235 -289.6 964.7 244.1 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Annual 2020 Volume Deductions are all remaining Precip. Avg. Rv cropland, plus one half of the [--] [ac-ft] [ac] [--] [in] total forest, woodland and shrubland that are not wetland, 292.4 0.55 28.3 0.06 23.2 based on MLCCS codes. Regional parks and open space 292.4 23.2 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Annual 2020 Volume Impervious Phos. Precip. Avg. Rv Percent Category [mg/L] [ac] [--] [in] [--] [ac-ft] Imp.
-7.9 198.5
Watershed Total Net Increase Ultimate External Load
25% 75%
0.46 0.46
73.1 219.3 292.4
0.55 0.55
28.3 28.3 28.3
0.20
[ac-ft]
206.4
7% 18%
28.3
P-Load
533.7
SMC-1
0.55
2020 Avg. Rv [--]
Volume
0.113 0.212
P-Load [lb] 16.3 16.3 P-Load
10.7 60.3 71.0 47.8 291.9
[lb] 13.4 75.5 88.9 72.6 271.1
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -56 -56 -56 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -171 -171 -171 Internal, other unknown Total Load -344 -425 -498 Predicted In-Lake TP -39.0 -43.4 -46.9 Lake TP Goal -27 -27 -27 Allowable Load to Meet Goal -181 -187 -193 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 163 239 305
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
Lake Phosphorus Loading Response Model 60 55 50 45 40 35 30 25 20 15 10 5 0
Total Phosphorus Goal
Phosphorus Load Goals Lake Response Model Results
Ultimate 2020 2000 Internal Load -
50
100
150
200
250
300
350
400
450
500
550
Total Lake Phosphorus Load [lb/yr] t:\0185\4315\04e\Pierson Load Analysis.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Pierson Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
105 20 2100 40 43
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Schutz Lake Notes:
2000 (Present) Conditions P-Load Summary Area Pj [ac] Schutz Lake
SL-1 to SL3
861.5
Lake Surface Watershed Total
[--]
Annual Precip. [in]
0.56
28.3
2000 Avg. Rv [--] 0.18
-105 756.5 2020 Conditions P-Load Summary Area
Schutz Lake
[ac] 861.5
SL-1 to SL3
Lake Surface Total
Schutz Lake
SL-1 to SL3
Total Deduction
Schutz Lake
SL-1 to SL-3
Watershed Total Net Increase Ultimate External Load
Volume
P-Load
[ac-ft]
[lb]
313.9
138.7
-131.7 182.1
-3.6 135.1
Pj
Annual 2020 Volume P-Load Precip. Avg. Rv [--] [in] [--] [ac-ft] [lb] 0.22 0.56 28.3 350.2 202.1
-105 756.5 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Deductions are all remaining cropland, plus one half of the [ac] [--] total forest, woodland and shrubland that are not wetland, 152.8 0.56 based on MLCCS codes. Regional parks and open space 152.8 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Impervious Phos. Percent Category [mg/L] [ac] [--] Imp. 7% 17% 0.46 26.0 0.56 18% 83% 0.46 126.8 0.56 152.8
-131.7 218.5
Annual Precip. [in] 28.3
2020 Avg. Rv [--] 0.06
-3.6 198.5
Volume
P-Load
[ac-ft]
[lb]
11.91
5.45
11.91
5.45
Annual 2020 Volume Precip. Avg. Rv [in] [--] [ac-ft] 0.113 3.9 28.3 0.212 35.5 28.3 28.3 39.4 27.5 245.9
P-Load [lb] 4.9 44.4 49.3 43.8 242.3
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -25 -25 -25 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknowon" Load Est. -83 -83 -83 Internal, other unknown Total Load -243 -306 -350 Predicted In-Lake TP -43.0 -48.4 -51.8 No controls Lake TP Goal -40 -40 -40 Allowable Load to Meet Goal -214 -221 -226 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 29 86 124
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
60
Total Phosphorus Goal
50 40
Phosphorus Load Goals
30 20
Ultimate 2020 2000 Unknown Load
Lake Response Model Results
10 0 -
100
200
300
400
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Schutz Load Analysis.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Schutz Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
158 13 2054 30 39
Steiger Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area Pj [ac] Steiger
SMC-12 to SMC-14
829.4
Lake Surface Watershed Total
0.55
28.3
2000 Avg. Rv [--] 0.30
-158 671.4 2020 Conditions P-Load Summary Area
Steiger
[--]
Annual Precip. [in]
[ac] 829.4
SMC-12 to SMC-14
Lake Surface Total
SMC-12 to SMC-14
Total Deduction
Steiger
SMC-12 to SMC-14
Watershed Total Net Increase Ultimate External Load
P-Load
[ac-ft]
[lb]
457.0
201.6
-194.7 262.3
-5.3 196.3
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.55 28.3 0.32 471.6
-158 671.4 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Deductions are all remaining
Steiger
Volume
-194.7 276.9
Annual 2020 Volume Precip. Avg. Rv cropland, plus one half of the [ac] [--] [in] [--] [ac-ft] total forest, woodland and shrubland that are not wetland, 15.3 0.55 28.3 0.06 1.17 based on MLCCS codes. Regional parks and opne space 15.3 1.17 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Annual 2020 Volume Impervious Phos. Precip. Avg. Rv Percent Category [mg/L] [ac] [--] [in] [--] [ac-ft] Imp. 7% 18%
25% 75%
0.46 0.46
3.8 11.5 15.3
0.55 0.55
28.3 28.3 28.3
0.113 0.212
0.6 3.2 3.7 2.5 279.4
P-Load [lb] 230.8 -5.3 225.5
P-Load [lb] 0.47 0.47 P-Load [lb] 0.7 3.9 4.6 4.2 229.7
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -38 -38 -38 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -0 -0 -0 Internal, other unknown Total Load -234 -263 -268 Predicted In-Lake TP -40.9 -43.6 -44.0 Lake TP Goal -30 -30 -30 Allowable Load to Meet Goal -140 -142 -142 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 94 122 126
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
50 Total Phosphorus Goal
45 40 35
Phosphorus Load Goals
30
Lake Response Model Results
25 20
Ultimate 2020 2000 Internal Load
15 10 5 0 -
50
100
150
200
250
300
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Steiger Load Analysis.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Steiger Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
103 10.3 1063 36 44
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Stone Lake Notes:
2000 (Present) Conditions P-Load Summary Area Pj
Stone Lake
SMC-17, SMC-18
Lake Surface Watershed Total
[ac] 837.5
Annual 2000 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.55 28.3 0.18 294.6
-103 734.5
-126.9 167.7
2020 Conditions P-Load Summary Area
Stone Lake
[ac] 837.5
SMC-17, SMC-18
Lake Surface Total
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.55 28.3 0.20 312.9
-103 734.5 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Deductions are all remaining
Stone Lake
Annual 2020 Volume Precip. Avg. Rv cropland, plus one half of the [ac] [--] [in] [--] [ac-ft] total forest, woodland and shrubland that are not wetland, 46.3 0.55 28.3 0.26 15.6 based on MLCCS codes. Regional parks and opne space 46.3 15.6 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Annual 2020 Volume Impervious Phos. Precip. Avg. Rv Percent Category [mg/L] [ac] [--] [in] [--] [ac-ft] Imp. 7% 25% 0.46 11.6 0.55 28.3 0.113 1.7 18% 75% 0.46 34.7 0.55 28.3 0.212 9.5 46.3 28.3 11.2 (4.3) 181.6
SMC-17, SMC-18
Total Deduction
Stone Lake
-126.9 186.0
SMC-17, SMC-18
Watershed Total Net Increase Ultimate External Load
P-Load [lb] 29.7 -3.5 26.3 P-Load [lb] 64.9 -3.5 61.4
P-Load [lb] 5.9 5.9 P-Load [lb] 2.1 11.9 14.1 8.2 69.6
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -25 -25 -25 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -92 -92 -92 Internal, other unknown Total Load -143 -178 -187 Predicted In-Lake TP -44.0 -49.5 -51.1 Lake TP Goal -36 -36 -36 Allowable Load to Meet Goal -103 -106 -105 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 40 73 81
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
60
Total Phosphorus Goal
50
Phosphorus Load Goals
40 30
Lake Response Model Results
20
Ultimate 2020 2000 Internal Load
10 0 -
20
40
60
80
100
120
140
160
180
200
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Stone Load Analysis.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Stone Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
194 16 3104 50 63
Stubbs Bay Notes: Discharges to Maxwell Bay on Lake Minnetonka
[acre] [ft] [ac-ft] [ug/L] [ug/L]
50 - 55 by RT4
2000 (Present) Conditions P-Load Summary Area Pj
Classen Creek Stubbs Bay Creek Lake Minnetonka Direct
CLC-1 to CLC-5 SB-1 to SB-2 LM-SB
(Avg. Rv without lake surface)
Stubbs Bay Watershed Total
[ac] 993.59 506.52 445.1
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.64 28.3 0.26 388.0 0.49 28.3 0.16 92.4 0.49 28.3 0.24 282.4
-194 1751.21
-213.0 549.8
2020 Conditions P-Load Summary Area
Classen Creek Stubbs Bay Creek Lake Minnetonka Direct Subtract Lake Surface Total
CLC-1 to CLC-5 SB-1 to SB-2 LM-SB
(Avg. Rv without lake surface)
[ac] 993.59 506.52 445.1
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.64 28.3 0.28 417.0 0.49 28.3 0.18 104.2 0.49 28.3 0.25 284.4
P-Load [lb] 168.0 52.5 78.6 -5.7 293.4 P-Load [lb] 220.0 97.1 87.2
-194 1751.21 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj
-213.0 592.6
Annual Precip. [in]
2020 Avg. Rv [--]
Volume
Deductions are all remaining [ac] [--] [ac-ft] cropland, plus one half of the Classen Creek CLC-1 to CLC-5 16.6 0.64 28.3 0.06 1.5 total forest, woodland and Stubbs, Mtka Direct SB-1 to SB-2, LM-SB shrubland that are not wetland, 14.7 0.49 28.3 0.06 1.0 Total Deduction 31.3 2.5 based on MLCCS codes. Additions for Ultimate Land Development Fraction in Total Area Pj Annual 2020 Volume Impervious Percent Phos. Precip. Avg. Rv Category Imp. [mg/L] [ac] [--] [in] [--] [ac-ft] Classen Creek CLC-1 to CLC-5 7% 56% 0.46 9.3 0.64 28.3 0.113 1.6 18% 44% 0.46 7.3 0.64 28.3 0.212 2.3 Stubbs, Mtka Direct SB-1 to SB-2, LM-SB 7% 79% 0.46 11.6 0.49 28.3 0.113 1.5 18% 21% 0.46 3.1 0.49 28.3 0.212 0.8 Watershed Total 31.3 28.3 6.2 Net Increase 3.7 Ultimate External Load 596.3
-5.7 398.6
P-Load [lb] 0.2 0.2 0.5 P-Load [lb] 2.0 2.9 1.9 0.9 7.8 7.3 405.9
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -47 -47 -47 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -438 -438 -438 Internal, other unknown Total Load -778 -884 -891 Predicted In-Lake TP -63.0 -67.3 -67.6 Lake TP Goal -50 -50 -51 Allowable Load to Meet Goal -529 -539 -554 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 249 345 336
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
80
Total Phosphorus Goal
70 60 50
Phosphorus Load Goals
40
Ultimate 2020 2000 Internal Load
30 Lake Response Model Results
20 10 0 -
100
200
300
400
500
600
700
800
900
1,000
Total Lake Phosphorus Load [lb/yr] t:\0185\4315\04e\Stubbs Bay Load Analysis.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Stubbs Bay Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
Long Lake Tanger Lake
50 5 250 70 115
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Tanager Lake Notes: Reservoir Model
2000 (Present) Conditions P-Load Summary Area
Pj
[ac]
[--]
LLC-7 to 9, 11 to 19, 24 to 39, 41 LLC-43, LLC-45 to 53
5514.2 1558.5
Lake Surface Watershed Total
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.63
28.3
0.23
-50 7022.7
P-Load [lb]
1792.4 582.3
312.0 314.4
-70.6 2304.1
-1.9 624.5
2020 Conditions P-Load Summary
Long Lake Tanger Lake
LLC-7 to 9, 11 to 19, 24 to 39, 41 LLC-43, LLC-45 to 53
Area
Pj
[ac]
[--]
3821.7 1164.4
Subtract Lake Surface Total
Total Deduction
Long Lake Tanger Lake
0.63
28.3
0.32
-50 4936.1 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Deductions are all remaining cropland, plus one half of the [ac] total forest, woodland and LLC-7 to 9, 11 to 19, 24 to 39, 41 shrubland that are not wetland, LLC-43, LLC-45 to 53 3.1 based on MLCCS codes.
Long Lake Tanger Lake
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
LLC-7 to 9, 11 to 19, 24 to 39, 41 LLC-43, LLC-45 to 53
Regional parks and open space 3.1 not developed. Additions for Ultimate Land Development Area Total Fraction in Percent Impervious Phos. Category Imp. [mg/L] [ac] 7% 18%
93% 7%
0.46 0.46
Watershed Total Net Increase Ultimate External Load
Atmospheric Depostion Net Prec minus Evap. "Unknown" Load Est. Total Load Predicted In-Lake TP Lake TP Goal Allowable Load to Meet Goal Necessary Load Reduction (Assume no volume control)
2.92 0.22 3.14
Pj [--]
Pj [--] 0.63 0.63
28.3
0.06
[lb]
1967.8 593.9
380.0 368.1
-70.6 2491.1
-1.9 746.2
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in]
0.63
P-Load
P-Load [lb]
1967.8 0.3
380.0 0.0
1968.0
380.0
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft] 1,976.6 28.3 0.113 0.5 28.3 0.212 0.1 1,977.2 9.1 2,500.2
P-Load [lb] 381.7 0.6 0.1 382.4 2.4 748.6
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] -12 -12 -12 0.24 [lb/ac], per HHPLS 0 -0 -0 --939 -939 -939 Internal, other unknown -1576 -1698 -1700 -115.0 -116.7 -116.6 -70 -70 -70 -782 -830 -832 Necessary Load Reductions 794 868 868
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
120
Total Phosphorus Goal
100 80 60
Lake Response Model Results
40 Phosphorus Load Goals
20
Ultimate 2020 2000 Internal Load
0 -
200
t:\0185\4315\04e\Tanager Load Analysis - Reservoir.xls, Load Analysis 11/29/2005
400
600
800
1,000
Total Lake Phosphorus Load [lb/yr]
Minnehaha Creek Watershed District Water Resources Managment Plan
1,200
1,400
1,600
1,800
Tanager Load Analysis - Reservoir.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
110 11 1210 40 46
Lake Virginia Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area [ac] Lake Minnewashta Lake Virginia
LMC-1 to LMC-6, LMC 9, LMC 10 LV-1 to LV-6
2835.7 918.2
Lake Surface Watershed Total
[--]
0.39
2020 Conditions P-Load Summary Area
Pj
[ac]
[--]
LMC-1 to LMC-6, LMC 9, LMC 10 LV-1 to LV-6
Lake Surface Total
-110 3643.9 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Deductions are all remaining cropland, plus one half of the [ac] total forest, woodland and LMC-1 to LMC-6, LMC 9, LMC 10 shrubland that are not wetland, LV-1 to LV-6 32.8 based on MLCCS codes.
2835.7 918.2
Regional parks and open space 32.8 not developed. Additions for Ultimate Land Development Fraction in Total Area Impervious Phos. Percent Category [mg/L] [ac] Imp.
Total Deduction
Lake Minnewashta Lake Virginia
Annual Precip. [in]
28.3
2000 Avg. Rv [--]
0.31
-110 3643.9
Lake Minnewashta Lake Virginia
Lake Minnewashta Lake Virginia
Pj
LMC-1 to LMC-6, LMC 9, LMC 10 LV-1 to LV-6
7% 18%
70% 30%
0.46 0.46
23.0 9.8 32.8
Watershed Total Net Increase Ultimate External Load
Annual Precip. [in]
0.39
Pj
28.3
Annual Precip. [in]
[--] 0.39
Pj
28.3
Annual Precip. [in]
[--]
0.39 0.39
28.3 28.3 28.3
2020 Avg. Rv [--]
0.33
2020 Avg. Rv [--] 0.06
2020 Avg. Rv [--]
0.113 0.212
Volume
P-Load
[ac-ft]
[lb]
388.0 326.0
23.2 169.6
-96.1 617.8
-2.6 190.2
Volume
P-Load
[ac-ft]
[lb]
408.8 341.3
25.6 214.4
-96.1 654.0
-2.6 237.4
Volume
P-Load
[ac-ft]
[lb]
408.8 1.8
25.6 0.2
410.5
25.8
Volume
P-Load
[ac-ft]
[lb]
421.7 2.4 1.9 426.0 15.5 669.5
27.1 3.0 2.4 32.5 6.7 244.0
Canfield-Bachmann (1981) Lake Response Model Ultimate Land Use Rates/Notes 2000 Conditions 2020 Conditions [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -26 -26 -26 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -42 -42 -42 Internal, other unknown Total Load -258 -305 -312 Predicted In-Lake TP -46.0 -50.7 -51.1 Lake TP Goal -40 -40 -40 Allowable Load to Meet Goal -210 -216 -218 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 48 90 94
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
70 Total Phosphorus Goal
60 50
Phosphorus Load Goals
40 30
Ultimate 2020 2000 Internal Load
Lake Response Model Results
20 10 0 -
50
100
150
200
250
300
350
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Virginia Load Analysis.xls, Load Analysis 1/10/2006
Minnehaha Creek Watershed District Water Resources Managment Plan
Virginia Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
153 10 1530 40 75
Wasserman Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
Goal set per TMDL, reduced from 50 in HHPLS
2000 (Present) Conditions P-Load Summary Area Pj [ac] Pierson Lake Wasserman Lake
SMC-1 SMC-2 to SMC-5
[--]
964.7 1690.3
Lake Surface Watershed Total
[ac] SMC-1 SMC-2 to SMC-5
Lake Surface Total
Pierson Lake Wasserman Lake
SMC-1 SMC-2 to SMC-5
Total Deduction
Pierson Lake Wasserman Lake
28.3
SMC-1 SMC-2 to SMC-5
Watershed Total Net Increase Ultimate External Load
Pj [--]
964.7 1690.3
0.55
-153 2502 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Deductions are all remaining cropland, plus one half of the [ac] [--] total forest, woodland and shrubland that are not wetland, 295.1 0.55 based on MLCCS codes. Regional parks and open space 295.1 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Impervious Percent Phos. Category Imp. [mg/L] [ac] [--] 7% 18%
25% 75%
0.46 0.46
73.8 221.3 295.1
0.55 0.55
-188.5 612.4
-5.1 179.1 P-Load [lb]
244.1 739.7
28.5 327.0
-188.5 795.2
-5.1 350.5
0.28
Annual 2020 Avg. Volume Rv Precip. [--] [ac-ft] [in] 28.3
[lb] 20.7 163.5
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft]
28.3
P-Load
195.2 605.7
0.21
-153 2502 2020 Conditions P-Load Summary Area
Pierson Lake Wasserman Lake
0.55
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft]
0.06
P-Load [lb]
244.1 23.3
28.5 17.4
267.4
45.9
Annual 2020 Avg. Volume Rv Precip. [in] [--] [ac-ft] 291.9 28.3 0.113 10.8 28.3 0.212 60.9 363.6 96.2 891.4
P-Load [lb] 37.3 13.5 76.2 127.0 81.1 431.6
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -37 -37 -37 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -412 -412 -412 Internal, other unknown Total Load -628 -799 -881 Predicted In-Lake TP -75.0 -82.8 -85.9 Lake TP Goal -40 -40 -40 Allowable Load to Meet Goal -238 -268 -283 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 390 532 598
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
90 80
Phosphorus Load Goals
Total Phosphorus Goal
70 60
Lake Response Model Results
50 40
Ultimate 2020 2000 Internal Load
30 20 10 0 -
100
200
300
400
500
600
700
800
900
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Wasserman Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Wasserman Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
34.2 11.1 380 50 75
Wolsfeld Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area Pj [ac] Wolsfeld
LLC-1 To LLC-6
1592.3
Lake Surface Watershed Total
[--] 0.63
Annual 2000 Avg. Volume Precip. Rv [in] [--] [ac-ft] 28.3
0.21
-34.2 1558.1 2020 Conditions P-Load Summary Area [ac]
Wolsfeld
LLC1 To LLC-6
1592.3
Subtract Lake Surface Total
Wolsfeld
[--] 0.63
-34.2 1558.1 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Deductions are all remaining cropland, plus one half of the [ac] [--] total forest, woodland and 31.25 0.63 shrubland that are not wetland, based on MLCCS codes. Regional parks and open space 31.3 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Impervious Percent Phos. Category [mg/L] [ac] [--] Imp. 7% 93% 0.46 29.06 0.63 18% 7% 0.46 2.19 0.63 31.25
LLC1 To LLC-6
Total Deduction
Wolsfeld
Pj
LLC1 To LLC-6
Watershed Total Net Increase Ultimate External Load
0.23
162.6
-48.3 486.3
-1.3 161.3
0.06
P-Load [lb]
575.1
290.3
-48.3 526.8
-1.3 289.0
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft] 28.3
[lb]
534.6
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft] 28.3
P-Load
P-Load [lb]
2.7
0.5
2.7
0.5
Annual 2020 Avg. Volume Precip. Rv [in] [--] [ac-ft] 28.3 0.113 4.9 28.3 0.212 0.7 28.3 5.6 2.8 529.6
P-Load [lb] 6.1 0.9 7.0 6.5 295.5
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -8 -8 -8 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -87 -87 -87 Internal, other unknown Total Load -256 -384 -390 Predicted In-Lake TP -75.0 -97.2 -98.1 Lake TP Goal -50 -50 -50 Allowable Load to Meet Goal -147 -154 -154 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 109 229 236
Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
Lake Phosphorus Loading Response Model 120 110 100 90 80 70 60 50 40 30 20 10 0
Phosphorus Load Goals
Total Phosphorus Goal
Lake Response Model Results
-
50
100
150
200
Ultimate 2020 2000 Internal Load 250
300
350
400
450
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Wolsfeld Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Wolsfeld Load Analysis.xls
Area Mean Depth Volume Phosphorus Goal Ex. (2000) Phosphorus
162 14 2268 25 27
Zumbra Lake Notes:
[acre] [ft] [ac-ft] [ug/L] [ug/L]
2000 (Present) Conditions P-Load Summary Area Pj [ac] Zumbra
SMC-22
523.6
Lake Surface Watershed Total
[--]
Annual Precip. [in]
0.55
28.3
2000 Avg. Rv [--] 0.33
-162 361.6 2020 Conditions P-Load Summary Area
Zumbra
[ac] 523.6
SMC-22
Lake Surface Total
Zumbra
P-Load
[ac-ft]
[lb]
352.2
70.6
-199.6 152.6
-5.4 65.2
Pj
Annual 2020 Volume Precip. Avg. Rv [--] [in] [--] [ac-ft] 0.55 28.3 0.33 353.7
-162 -199.6 361.6 154.1 Calculate Ultimate Conditions Loads 2020 Deductions for Ultimate Land Development Area Pj Annual 2020 Volume Deductions are all remaining Precip. Avg. Rv cropland, plus one half of the [ac] [--] [in] [--] [ac-ft] total forest, woodland and shrubland that are not wetland, 24.2 0.55 28.3 0.06 1.85 based on MLCCS codes.
SMC-22
Regional parks and open space 24.2 not developed. Additions for Ultimate Land Development Fraction in Total Area Pj Impervious Phos. Percent Category [mg/L] [ac] [--] Imp.
Total Deduction
Steiger
Volume
SMC-12 to SMC-14
7% 18%
Watershed Total Net Increase Ultimate External Load
25% 75%
0.46 0.46
6.0 18.1 24.2
P-Load [lb] 69.9 -5.4 64.5
P-Load [lb] 0.20
1.85 Annual Precip. [in]
0.55 0.55
28.3 28.3 28.3
2020 Avg. Rv [--] 0.113 0.212
0.20
Volume
P-Load
[ac-ft]
[lb]
0.9 5.0 5.9 4.0 158.1
1.1 6.2 7.3 7.1 71.6
Canfield-Bachmann (1981) Lake Response Model 2000 Conditions 2020 Conditions Ultimate Land Use Rates/Notes [ac-ft] [lb P] [ac-ft] [lb P] [ac-ft] [lb P] Atmospheric Depostion -39 -39 -39 0.24 [lb/ac], per HHPLS Net Prec minus Evap. 0 -0 -0 -"Unknown" Load Est. -10 -10 -10 Internal, other unknown Total Load -114 -113 -120 Predicted In-Lake TP -27.0 -26.9 -27.8 Lake TP Goal -25 -25 -25 Allowable Load to Meet Goal -100 -100 -100 Necessary Load Reductions Necessary Load Reduction (Assume no volume control) 14 13 20
Lake Phosphorus Loading Response Model Lake Total Phosphorus Growing Season Mean Concentraion [ug/L]
30 25 20
Total Phosphorus Goal
15
Phosphorus Load Goals Lake Response Model Results
10
Ultimate 2020 2000 Internal Load
5 0 -
20
40
60
80
100
120
140
Total Lake Phosphorus Load [lb/yr]
t:\0185\4315\04e\Zumbra Load Analysis.xls, Load Analysis 11/29/2005
Minnehaha Creek Watershed District Water Resources Managment Plan
Zumbra Load Analysis.xls
