Date post: | 21-Dec-2015 |
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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?