Water quality

Ecology is responsible for keeping Washington waters clean and helping polluted waters recover.
Ecology is responsible for keeping Washington waters clean and helping polluted waters recover.

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$183 million proposed for clean water projects across the state

We are proposing to award more than $183 million in financial assistance for 107 high-priority clean water projects across the state.

$282 million proposed for clean water projects across the state
Ecology is proposing to award $282 million in grants and loans for 108 high-priority clean water projects across the state.
New science sheds light on Puget Sound dissolved oxygen

Two new reports evaluate the influence of people, climate, and the Pacific Ocean on oxygen levels in South and Central Puget Sound, as well as the larger Salish Sea.

Clean water on agricultural lands: The facts about Ecology’s watershed evaluation program
An important part of our work is to find and control sources of pollution that don't come out of an industrial pipe.
Update about making Puget Sound a No Discharge Zone for vessel sewage

We've asked the EPA to make the Puget Sound off limits to discharging sewage from vessels.  

Stories about Getting to Clean Water: Stormwater Sleuths Solve the Mystery of the Putrid Pipe - Pullman’s hunt for the elusive, illicit discharge
The illicit stormwater discharge often lurks out of sight under a city's buildings and streets. The challenge for cities is to locate and eliminate this pollution source.
Stories about Getting to Clean Water: A Pullman Partnership: Not Wishy-Washy about Preventing Stormwater Pollution
Pullman sought a solution that would allow car washes to continue without dirty water entering nearby streams.
Affordable Clean Water Loans are a lifeline when your septic system fails
There are about a million privately-owned and operated septic systems across Washington and many are at risk of failing due to old age.
Clean water projects get a boost from the other Washington
Ecology is proposing to award $365 million in grants and loans for 117 high-priority clean water projects across the state.
Clean water projects get a boost from the other Washington
We're awarding $317 million in grants and loans for 124 high-priority clean water projects across the state.