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.

Search Blog Posts

199 results.

$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.
Understanding the environmental impacts of more water over the dam

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

$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.

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.
Finding common ground for clean water and healthy farms

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

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.
111 Washington wastewater treatment plants win outstanding performance awards

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

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.

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.

Puget Sound Nutrient Watch: Algal Blooms

Excess nutrients can cause an explosion of algae growth called algal blooms, we discuss more about these blooms.