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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Yakima River receives ‘water quality’ check-up
Our scientists are conducting a water quality checkup of the Yakima River to see how things are doing. We have been tackling water quality challenges in the Yakima River Basin for 20 years.
Helping communities reduce risks before floods, find solutions in the aftermath
In February, 2020, flooding brought the biggest disaster in decades to Southeast Washington. Learn how we're helping communities recover and improve their resiliency to future floods.
Homeless encampment cleanup will help protect Washington residents from contamination
Gov. Inslee’s proposed budget provides funds for homeless encampment cleanup and support, which protects the environment and people, including those experiencing homelessness.
New website makes it easier to find state and federal funding

The new FundFinder.wa.gov is a clearing house for water quality and salmon project funding.

News Release: Ecology, shellfish growers cancel pesticide spraying permit
Following discussions over the weekend, Ecology and the Willapa-Grays Harbor Oyster Growers Association have agreed to cancel a recently issued permit.
Update to general permit that helps remove noxious weeds

Removing Zostera japonica, a noxious weed, from Willapa Bay Commercial Clam Beds.

These wastewater treatment plants earn an A+ in clean water

Keeping a wastewater treatment plant in top-performing condition can be a tough job,  so every year we recognize these top-notch facilities and their operators.

The right plants and wise water use make for a happy Mother's Day

While we all should regularly practice water conservation, you can pick a gift for mom this year from a wide selection of drought tolerant plants and trees.

Is a harmful algae bloom coming to a lake near you?
Spring is when algae blooms can be seen in lakes, some of which are harmful to people, pets, and wildlife. Pay attention to warning and closure signs!
Ecology releases first chapter of Voluntary Clean Water Guidance for Agriculture
We recently released the first draft chapter of the Voluntary Clean Water Guidance for Agriculture. It is a technical resource for producers that describes the best practices to protect water quality.