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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Join our June 21 webinar about toxic tire dust
Join our June 21 6PPD webinar. Learn more about 6PPD by watching our video presentations in advance.
Fecal Matters: The 2022 BEACH report is in
Check out the new BEACH Annual Report to see how your beach fared in 2022.
Stream team volunteers making a difference in the Chehalis River Basin
Our Lewis County Stream Team partners are engaged in volunteer projects that help restore aquatic habitat and reduce damage from floods in the Chehalis River Basin.
Updating fresh water rules to protect salmon spawning
We're taking a wide variety of actions to better protect and restore salmon and orcas.
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.

Use caution if your local lake has a colorful coating
Reports of toxic blue-green algae blooms are beginning to surface east of the Cascades.
Tackling nitrate contamination
Among our top priorities in Governor Jay Inslee’s 2020 supplemental budget is a request for $378,000 to expand monitoring for nitrates in Lower Yakima Valley private drinking water wells.
Little Spokane River cleanup plan ready for public review
Ecology's draft plan for better water quality in the Little Spokane River is available for comment
Pursuing clean water for the Spokane River

We are opening rulemaking to help address PCBs. 

Recently passed capital budget unlocks 2018 funds to support clean water

Funding released for fiscal year 2018 after passing the capital budget.