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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Recently passed capital budget unlocks 2018 funds to support clean water

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

Funding supports jobs and clean water in Washington's communities

We are proposing to award nearly $154 million in financial assistance for 69 high-priority clean-water projects across the state.

Triple Creek Project: Human-built 'beaver dams' restore streams
Human-built beaver dams can restore streams.
Ecology denies petition to begin rulemaking to establish nutrient wasteload allocations for a Puget Sound TMDL
Ecology received a rule petition from Northwest Environmental Advocates for us to engage in rulemaking to place wasteload allocations in a rule for an official water cleanup plan.
New website makes it easier to find state and federal funding

The new FundFinder.wa.gov is a clearing house for water quality and salmon project funding.

Puget Sound Nutrient Watch: The Salish Sea Computer Model

We explain how the Salish Sea Model and other scientific computer models help us better understand the world around us.

Innovative Regional Septic Loan Program partnership wins EPA and local awards
Our program was incredibly successful in its first year. It prevented 36 million gallons, equal to 55 Olympic-sized swimming pools, of wastewater from flowing into Puget Sound watershed.
Latest Sumas-Blaine aquifer nitrate study sets the stage for large study in 2018

Nitrate in groundwater is a concern because of the risk of methemoglobinemia, or “blue-baby syndrome."

New study finds widespread PFAS contamination – but also signs of progress

Per- and poly- fluorinated alkyl substances (aka PFAS, PFCs, PFOS) are building up in waterways and fish, but phasing them out could decrease chemical exposure.

Eyes Over Puget Sound; Sunny, warm, and colorful

Late summer 2017 brings warm air temperatures and drier conditions throughout Puget Sound. Streamflows in the region's northern rivers are lower than rivers in South Puget Sound.