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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Headed out on your boat? Pump out your sewage, don't let it float!
Planning some time on your boat as summer kicks off? Here’s the last of our water-related reminders: don’t empty your boat’s holding tank into Puget Sound or inland waters.
Headed to a lake or river today? Look out for blooming harmful algae!
Once again, it is time to keep an eye out for harmful algae (cyanobacteria) blooms in Washington lakes and rivers. As the weather heats up, these blooms can happen, especially in late summer and fall.
Headed to the beach? Check for poop before you stick in your feet!
Check our safe swimming map for beach advisories and closures. Help us keep poop off the beach.
New plan to address bacteria in Whatcom Creek Watershed
Water quality monitoring shows that fecal bacteria are polluting the Whatcom Creek watershed. We've developed a draft plan to get to clean water.
West Point Treatment Plant water quality permit up for review
We're updating the West Point Treatment Plant water quality permit with new requirements to better protect Puget Sound.
What you need to know about dust storms in Washington
Dust storms can occur in Central and Eastern Washington every spring through fall. Here are some quick tips to help keep you safe.
Spokane River is getting cleaner with local task force’s help

A recent report shows success in reducing PCBs in the Spokane River watershed.

Fecal Matters: The 2022 BEACH report is in
Check out the new BEACH Annual Report to see how your beach fared in 2022.
Newest round of clean-water funding focuses on small communities
Our latest round of funding for clean water projects will provide more than $300 million to communities.
Ilwaco’s Bear Ridge Community Forest becomes a reality
With $500,000 from Ecology, and the support of other groups, Ilwaco's drinking water source is now protected for the future.