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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Sprague Lake water level study set to begin
We're partnering with Washington Department of Fish and Wildlife to help identify flood risk solutions for Sprague Lake.
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.
Native American Heritage Month
Sharing stories about our work and the people who carry it out builds connections within our agency and the communities we serve. Our staff share their stories for Native American Heritage Month. 
50th anniversary of the Clean Water Act
A short video celebrating the 50th anniversary of the Clean Water Act.
Give your septic system the attention it deserves
It's SepticSmart Week! This week is an annual reminder to make sure your septic system is functioning properly and to take action to maintain and/or fix it.
Ecology considers putting outstanding waters in a class of their own
For the first time, Ecology is starting a rulemaking to consider putting four water bodies into a special category of protection, by designating them as "Outstanding Resource Waters."
New videos highlight the need to keep Skagit Valley streams wild and cool
Cold streams are crucial to protecting salmon and the wildlife that depend on them, including orcas. To help raise awareness of Skagit Valley’s warming waters, we’ve created four educational videos.
Clean water projects get a boost from the other Washington
We're awarding $317 million in grants and loans for 124 high-priority clean water projects across the state.
New rulemaking will update protections for aquatic life from toxic chemicals
Based on EPA recommendations and feedback, we started the process to update our aquatic life criteria to reflect new information about toxic chemicals.
Proper fish waste disposal matters for marinas
When cleaning your catch, be mindful where you spill your guts. It’s easy to toss fish waste into the nearest body of water, but this small action can have a large negative impact on marinas.

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