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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Working with wineries to protect Washington’s waters
More wineries in Washington means there is also more winery wastewater. If wastewater is not managed, it can cause problems for the environment and local sewer treatment plants.
Ocean Acidification is real

Let’s be clear. Ocean acidification is real. Determining the causes, impacts, and identifying potential solutions are high priorities for our agency and the state.

Tackling Toxics: PCB problem requires creative solutions
We stopped using polychlorinated biphenyls (PCBs) 35 years ago, yet it continues to contaminate almost every water body in Washington.
Update about making Puget Sound a No Discharge Zone for vessel sewage

We've asked the EPA to make the Puget Sound off limits to discharging sewage from vessels.  

New science sheds light on Puget Sound dissolved oxygen

Two new reports evaluate the influence of people, climate, and the Pacific Ocean on oxygen levels in South and Central Puget Sound, as well as the larger Salish Sea.

Working together in Whatcom County to understand the manure-groundwater connection
This is a story about a gracious landowner who was willing to work with us so we could better understand connections between the use of manure on land and nitrate in groundwater.
When soap and water are not a good thing

Soap isn’t the answer when there’s an oil spill.

Clean water on agricultural lands: The facts about Ecology’s watershed evaluation program
An important part of our work is to find and control sources of pollution that don't come out of an industrial pipe.
Stories about Getting to Clean Water: A Pullman Partnership: Not Wishy-Washy about Preventing Stormwater Pollution
Pullman sought a solution that would allow car washes to continue without dirty water entering nearby streams.
Stories about Getting to Clean Water: Stormwater Sleuths Solve the Mystery of the Putrid Pipe - Pullman’s hunt for the elusive, illicit discharge
The illicit stormwater discharge often lurks out of sight under a city's buildings and streets. The challenge for cities is to locate and eliminate this pollution source.

Showing 141 - 150 of 150 results.