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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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200 results.

Puget Sound Nutrient Watch: What we're learning from other states

We invited experts from Long Island Sound, Chesapeake Bay, and the San Francisco Bay to speak to the Puget Sound Nutrient Forum and share their work on reducing nutrients in estuaries

Science
$187 milion proposed for clean water projects across the state
Ecology is proposing to award more than $183 million in financial assistance for 107 high-priority clean water projects across the state.
What We Do
Understanding the environmental impacts of more water over the dam

We're considering allowing more water to spill over dams to help salmon migrate.

Science
$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.

What We Do
Oak Harbor has Puget Sound's future in mind
The city of Oak Harbor is about to bring Puget Sound's newest wastewater treatment plant online.
What We Do
Finding common ground for clean water and healthy farms

Bill Dewey is the new co-chair of our Ag/Water Quality committee.

What We Do
Puget Sound officially a No Discharge Zone
Creating a No Discharge Zone (NDZ) helps protect shellfish beds, swimming beaches, and other areas that are especially vulnerable.
What We Do
111 Washington wastewater treatment plants win outstanding performance awards

We give awards to wastewater treatment plant operators to celebrate our unsung heroes.

What We Do
If fish could talk — what Palouse River fish are telling us

Crews from Ecology and local Conservation Districts spent six weeks collecting fish from the Palouse River in Southeastern Washington.

Science
Water quality standards update

We are proposing a change in how we test for bacteria. These tests are a more precise indicator of contaminants that can affect human health and the environment.

What We Do

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