Portland s Water System

Portland’s Water System Don Holmes Sustainability Coordinator Portland Water Bureau Portland’s Water System Bull Run Lake z z z 1895 - First f...
Author: Antonia Flowers
14 downloads 2 Views 8MB Size
Portland’s Water System

Don Holmes Sustainability Coordinator Portland Water Bureau

Portland’s Water System

Bull Run Lake z

z

z

1895 - First flowed to Portland 1917 – Small dam constructed 4 billion gallons

Dam No. 1 z

z z

Constructed in 1929 194 feet tall 9.9 billion gallons

Dam No. 2 z

z

z

Constructed in 1962 Earth Filled Dam 6.8 billion gallons

Rain Driven System z

z

Portland – Less than 40 inches of average rainfall Bull Run – 138 in of average rainfall ƒ

Some areas as high as 170 inches/year

Rain Driven System 1000

Seasonality of Water Supply

900

800

700

600

Actual 2003 Demand (mgd) Actual 2003 Flow at USGS Gage Below Headworks (mgd)

500

Actual 2003 Reservoir Inflow (mgd) 400

300

200

100

30-Dec

17-Dec

4-Dec

21-Nov

8-Nov

26-Oct

13-Oct

30-Sep

17-Sep

4-Sep

22-Aug

9-Aug

27-Jul

1-Jul

14-Jul

18-Jun

5-Jun

23-May

10-May

27-Apr

14-Apr

1-Apr

19-Mar

6-Mar

22-Feb

9-Feb

27-Jan

14-Jan

1-Jan

0

Drawdown Summer Flow Commitments to listed Salmon & Steelhead

Wells Cl2 & NH3

Headworks Groundwater Pump Station

Cl2

Bull Run Reservoir 2

To Mt. Tabor To Washington Co.

NH3 & NaOH

Lusted Hill Powell Butte Reservoir (50 mg)

100 MGD average 200 MGD peak

Portland Water Usage (2004-2005) z z z

z z z

Total Population Served = 770,250 Winter System Production = 83 MGD Summer System Production = 123 MGD (peak 187 MGD) Residential Per Person = 63 GPD Total Portland Usage = 20.1 BG Total Wholesale Usage = 12.8 BG (39%)

Building Blocks Indoor Water Efficiency z

Questions to consider ƒ

ƒ

z

How low is too low? – At what point do you sacrifice performance? What size appliances do I need?

Building Blocks

Building Blocks Average of Total Indoor Water Use Other

Toilet

Leaks

6% 12%

Faucet

26%

15%

23% 18% Laundry Shower

Building Blocks Indoor Water Efficiency z

Showerheads ƒ ƒ

ƒ

Residential Code - 2.5 gpm Showerheads - 1.0 gpm to 2.5 gpm z low pressure/old pipes reduce flow z Low flows can affect water temp Shut-off devices are available

Building Blocks Indoor Water Efficiency z

Faucets ƒ ƒ ƒ

ƒ

Residential Code - 2.5 gpm Faucets - .5 gpm to 2.5 gpm Is .5 gpm too low? z low pressure/old pipes reduce flow z Low flows can affect water temp Shut-off devices are available

Building Blocks Indoor Water Efficiency z

Toilets ƒ ƒ ƒ ƒ

Residential Code - 1.6 gpf Dual-flush toilets - .8 to 1.6 gpf Pressure assist toilets – 1.0 to 1.6 gpf Flapperless toilets – 1.6 gpf

Building Blocks Indoor Water Efficiency z

Washing Machines ƒ ƒ ƒ

Front loading vs. top loading Properly size the machine Moisture sensor is a must

Building Blocks Indoor Water Efficiency z

Dishwashers ƒ ƒ ƒ ƒ

Older Dishwashers 7 to 14 gpl New efficient models 4 gpl Generally dishwashers use less water than doing dishes by hand. Again.. Consider proper sizing

Building Blocks Indoor Water Efficiency z

Heating water ƒ ƒ ƒ ƒ

Traditional water heaters Solar water heaters On demand hot water - 4 year payback Tankless water heaters – Check sizing

Building Blocks Outdoor Water Efficiency z

Informed site design and decision making ƒ ƒ ƒ ƒ ƒ ƒ

Soil prep Turf choices Plant selection Using hardscapes Irrigation Creative rainwater use

Building Blocks Outdoor Water Efficiency z

Get to know your soil ƒ

ƒ ƒ

Test your soil – pH, beneficials (micro nutrients and bugs) Soil probes – root depth, soil type, water needs Add compost to improve soil nutrients and water holding capacity (50-25-25)

Building Blocks Outdoor Water Efficiency z

To Turf or Not To Turf ƒ ƒ ƒ

Assess landscape uses/needs Create functional turf areas Alternative turf types z Eco Lawn

Building Blocks Outdoor Water Efficiency z

Use hardscape features as a decorative elements

Building Blocks Outdoor Water Efficiency z

Plant Selection – Right Plant, Right Place ƒ ƒ

z

Know your Plants Needs Group plants with similar watering needs

Map your Microclimates ƒ ƒ ƒ

Sun and shade variations Soil variations Wind variations

Building Blocks Outdoor Water Efficiency z

General Irrigation Tips ƒ ƒ

z

In the morning is most efficient No Irrigation Run Off

Turf Irrigation Tips ƒ ƒ

Lawns need 1 inch each week De-thatch and aerate to allow infiltration

Building Blocks Outdoor Water Efficiency z

The Hose & Watering Can Method ƒ

z z

Shut off nozzles for hose

Soaker Hoses Drip Irrigation ƒ ƒ

Flush system annually Match drip output to plant needs

Building Blocks Outdoor Water Efficiency z

Automatic Sprinkler Systems ƒ ƒ ƒ ƒ ƒ ƒ

Monitor your pressure Proper Head Placement and Spacing System maintenance Flow Sensors Rain Sensors Efficient sprinkler heads

Building Blocks Outdoor Water Efficiency z

Weather-based Irrigation Controllers ƒ

ƒ

Use data from regional weather stations to set schedules z One-way systems z Two-way systems Site sensors – Solar radiation, temperature, rain, and wind

Building Blocks Outdoor Water Efficiency Weather-based Irrigation Controllers

Irrigation Water

z

Winter

Spring

Summer

Fall

Winter

Creative Rainwater Use z

Channeling stormwater to decorative features ƒ ƒ ƒ ƒ ƒ

Streams Water features Decorative features Swales Ponds

Creative Rainwater Use z z

Ecoroofs Rain Barrels

Rainwater Harvesting: For Residential Projects

Rainwater Harvesting: For Residential Projects PRESENTED BY:

LANDO AND ASSOCIATES

landscape architecture

BACON-BRENES 3,500 gal. RESIDENCE POTABLE ARCHITECT: deBAR ARCHITECTURE GENERAL CONTRACTOR: COHO CONSTRUCTION RAINWATER SYSTEM: LANDO AND ASSOCIATES

LOCATION

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

RWH DESIGN PROGRAM PROGRAM 36” ANNUAL RAIN PARAMETERS PARAMETERS

1144 FT2 ROOF AREA 26,000gal ANNUALLY

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

RWH DESIGN PARAMETERS PROGRAM PROGRAM USERS USERS 2 ADULT, 1 CHILD

55gal / PERSON / DAY Req 4,950 gal / MONTH

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

RWH DESIGN PARAMETERS PROGRAM USERS PROGRAM PROGRAM GOALS GOALS 5,000gal CAPACITY

28 DAY STORAGE 100% POTABLE SYSTEM OPERATES LIKE “NORMAL”

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

RESIDENCE RESIDENCE

DOMESTIC DOMESTIC USE USE

RWH SYSTEM DIAGRAM ROOF WASHER

COLLECTION COLLECTION

DEVICE DEVICE

PUMP PUMP DOMESTIC DOMESTIC SUPPLY SUPPLY DISPOSAL DISPOSAL CROSS CROSS CONTAMINATION CONTAMINATION

“R.P.” “R.P.”

AIR AIR GAP GAP

CISTERN CISTERN

INFILTRATION INFILTRATION

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

SYSTEM COMPONENTS CONVEYANCE CONVEYANCE METAL ROOF

GUTTERS DOWNSPOUTS ROOF WASHER RAIN DRAINS

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

SYSTEM COMPONENTS CONVEYANCE STORAGE STORAGE 2 - 1700 gal. CISTERNS

DIRECT BURIAL FOOD GRADE HDPE VEHICLE RATING COST

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

SYSTEM COMPONENTS CONVEYANCE STORAGE TREATMENT TREATMENT & & ROOF WASHERS DISPOSAL DISPOSAL

INFILTRATION TRENCH

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

SYSTEM COMPONENTS CONVEYANCE STORAGE ROOF ROOF WASHERS WASHERS 800 SQ. FT CAPACITY

10 GAL. 1ST FLUSH LARGE PARTICULATE FILTER

BACON-BRENES 3,500 gal. RESIDENCE POTABLE SEDIMENT FILTER 20 mic.

CONTROLLER

SYSTEM COMPONENTS CONVEYANCE STORAGE ROOF WASHERS

PRESSURE TANK SEDIMENT FILTER

MECHANICAL MECHANICAL PUMP

10mic.

CONTROLLER PRESSURE TANK FILTERS

CHARCOAL FILTER ULTRAVIOLET FILTER

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

SYSTEM COMPONENTS CONVEYANCE STORAGE ROOF WASHERS MECHANICAL RAIN RAIN WATER WATER SUPPLY SUPPLY CITY CITY SUPPLY SUPPLY VALVES VALVES

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

CHALLENGES

CHALLENGES SITE SITE RESTRICTIONS RESTRICTIONS CISTERN LOCATION

STORAGE CAPACITY COST

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

CHALLENGES

CHALLENGES SITE RESTRICTIONS PERMITTING PERMITTING CODE APPEAL

WATER TESTING SYSTEM ABANDONMENT

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

CHALLENGES

CHALLENGES SITE RESTRICTIONS PERMITTING COST COST ANALYSIS ANALYSIS WATER USE

CAPACITY EQUIPMENT INSTALLATION

BACON-BRENES 3,500 gal. RESIDENCE POTABLE

CHALLENGES

CHALLENGES SITE RESTRICTIONS PERMITTING COST ANALYSIS CONSTRUCTION CONSTRUCTION PERMITTING COSTS COSTS

MATERIALS LABOR

2,00 0gal. OREGON NATURAL LANDO AND ASSOCIATES RESOURCE COUNCIL NON-POTABLE

Landscape architecture

2,00 0gal. OREGON NATURAL LANDO AND ASSOCIATES RESOURCE COUNCIL NON-POTABLE

Landscape architecture

STORMWATER MGMT EXISTING EXISTING SITE SITE

1/3 ACRE

ROOF AREA 5,250 SQ. FT. PAVED AREA 9,200 SQ. FT. LANDSCAPE AREA 950 SQ. FT. SUMMARY: 6% PERMEABLE

2,00 0 gal. OREGON NATURAL LANDO AND ASSOCIATES RESOURCE COUNCIL NON-POTABLE

Landscape architecture

STORMWATER MGMT DESIGNED DESIGNED SITE SITE 1/3 ACRE ROOF AREA 5,250 SQ. FT. PAVING AREA 5,080 SQ. FT. GRAVEL WALK 225 SQ. FT. LANDSCAPE AREA 4,845 SQ. FT. SUMMARY: 65% PERMEABLE

2,00 0 gal. OREGON NATURAL LANDO AND ASSOCIATES RESOURCE COUNCIL NON-POTABLE

Landscape architecture

RWH SYSTEM DESIGN INFILTRATION STORAGE SURFACE FLOW CISTERN OVERFLOW TREATMENT/DISPOSAL

2,00 0 gal. OREGON NATURAL LANDO AND ASSOCIATES RESOURCE COUNCIL NON-POTABLE

Landscape architecture

OPEN SPACE | PUBLIC WORK

OPEN SPACE | PUBLIC WORK

14,000 gal. CONFLUENCE LANDOPROJECT AND ASSOCIATES LANDBRIDGE NON-POTABLE

Landscape architecture

14,000 gal. CONFLUENCE LANDOPROJECT AND ASSOCIATES LANDBRIDGE NON-POTABLE

Landscape architecture

SYSTEM ORIENTATION OPPORTUNITY & SITE RESTRICTIONS OPPORTUNITY & CISTERN LOCATION CONSTRAINTS CONSTRAINTS

STORAGE CAPACITY COST

13,000 gal. U.S.G.B.C. LEGACY PROJECT LANDO AND ASSOCIATES ZENGER FARM POTABLE

Landscape architecture

U.S.G.B.C. LEGACY PROJECT 13,000 gal. ZENGER FARM POTABLE

SYSTEM ORIENTATION OPPORTUNITY & SITE RESTRICTIONS OPPORTUNITY & CISTERN LOCATIONS CONSTRAINTS CONSTRAINTS

MULTI-PHASED COST

26,000 gal. STUTZ RESIDENCE LANDO AND ASSOCIATES NON-POTABLE

Landscape architecture

26,000 gal. STUTZ RESIDENCE LANDO AND ASSOCIATES NON-POTABLE

Landscape architecture CHALLENGES OPPORTUNITY & SITE RESTRICTIONS OPPORTUNITY & CISTERN LOCATION CONSTRAINTS CONSTRAINTS

SEISMIC REQ. WATER COLLECTION

SNYDER RESIDENCE 6,000 gal. POTABLE

6,000 gal. SNYDER RESIDENCE LANDO AND ASSOCIATES POTABLE

Landscape architecture

6,000 gal. SNYDER RESIDENCE LANDO AND ASSOCIATES POTABLE

Landscape architecture

6,000 gal. SNYDER RESIDENCE LANDO AND ASSOCIATES POTABLE

Landscape architecture

6,000 gal. SNYDER RESIDENCE LANDO AND ASSOCIATES POTABLE

Landscape architecture

6,000 gal. SNYDER RESIDENCE LANDO AND ASSOCIATES POTABLE

Landscape architecture

6,000 gal. SNYDER RESIDENCE LANDO AND ASSOCIATES POTABLE

Landscape architecture