I make an effort to conserve water.

1 2 3

50% 50%0%1. Yes

2. No

3. Sometimes

Precious Resource

Water Resources

• Availability.

• Access.

• Use.

• Types of pollution.

• Case study: developed and developing.

• Culture.

Scale

• Local: creeks and river.

• Regional: Puget Sound and Mississippi Basin.

• Global: Pacific Ocean.

Water Need

• 1,000 cubic meters/year.

• Growing food.

• Drinking.

• Hygiene.

Availability

Availability

Percent of access to potable water.

AccessibilityOne billion lack potable water.

Worldwide Water Use

Worldwide Water Use

U.S. Water Use in 2000

U.S. Water Use

U.S. Water Use

U.S. Water Use

(Some) Pollution Types

• Sanitation.• Agricultural by-product: pesticides and

fertilizers.• Industrial by-product.• Non-point urban runoff: residential and

commercial.• Particulates/sediment.• Trash.

What do 700 million people in India not have access to?

1 2 3

50% 5%45%

1. Clean drinking water

2. A toilet

3. Sufficient irrigation water

Ganges River

Accessibility2.6 billion lack proper sanitation.

Relative Water Quality

Pesticides

Pesticide Use

Pesticide Use

Mississippi Basin

Drains 41% of

continental United States.

Dead Zone: Gulf of Mexico5,800 square miles

Non-point Source Pollution

Duwamish River

Duwamish Watershed

• Capitol Hill to Tukwila to West Seattle.

• 32 square miles.

• 3-5 billion gallons of stormwater/year.

• Sewage enters the river approximately 48 days each year. 250+ million gallons/year.

Superfund Site

• 5 mile stretch of the Duwamish River.

• Fish and crabs 7x more cancer causing chemicals.

• PCBs in nearly all salmon.

• River bottom exceeds safe standards for heavy metals by more than 400%.

Duwamish River

PCBs and phthalates

• PCBs: group of 200+ industrial chemicals used for insolating and plasticizing

• Banned in 1970s

Eastern Garbage Patch

• Miles long.

• One million pieces/square mile.

• 90% plastic trash.

• 1 million sea birds choked/ tangled each year.

• 10,000 seals, whales, dolphins, and other marine mammals.

Goals of the Puget Sound Partnership include

1 2 3

20% 10%70%1. Control Invasive

Species

2. Water Quantity

3. Increase recreational use.

Puget Sound Partnership

Shared strategy for Puget Sound.

Six goals.

Where are we?

Where do we need to be?

How do we get there?