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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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Nutrient pollution modeling shows different futures for Puget Sound
This week, we shared our latest Salish Sea modeling results, which are moving us another step forward on regional efforts to reduce nutrients.
Science
Wastewater treatment plant operators protect water during pandemic
126 wastewater treatment plants, nearly 40% of Washington’s treatment systems, earned the top-performing status this year.
What We Do
New paper about Contaminants of Emerging Concern in wastewater
New review paper gathers studies about Contaminants of Emerging Concern (CECs) entering Washington water
What We Do
Ecology extends public comment period for draft net pen guidance
We have extended the deadline for the public to comment on draft state guidance for commercial marine net pens to Aug. 5, 2021.
What You Can Do
To prevent dead zones in Puget Sound, communities must tackle nutrient pollution
The Puget Sound Nutrient General Permit is a major milestone in restoring the health of Puget Sound.
What You Can Do
Safer streets and cleaner water in Walla Walla
The City of Walla Walla's award winning transportation project is good for the community and for salmon.
What We Do
Pump Out, Don’t Dump Out - Help protect Puget Sound!
The Pump Out, Don't Dump Out campaign reminds boaters that Puget Sound is a No Discharge Zone and encourages them to pump out their boat sewage.
What You Can Do
Clean & safe water for communities
This summer, scientists plan to sample 170 wells as part of the larger effort to address elevated nitrate in the Lower Yakima Valley.
Science
Cleaning up: An update to the Landsburg Mine site cleanup plan
We're proposing changes to the cleanup plan for the Landsburg Mine site to enable response, if needed, if monitoring detects 1,4 dioxane above action levels.
Alerts
Cleaning up: Boeing Auburn feasibility study
The Boeing Auburn cleanup site includes a large off-property area. Cleanup strategies studied include speeding up a natural cleanup process. Comment on that study!
Alerts

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