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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Water quality standards update

We are proposing a change in how we test for bacteria. These tests are a more precise indicator of contaminants that can affect human health and the environment.

Reflections on first Puget Sound Nutrient Forum

On April 25, key decision makers, scientists, and practitioners met at the first Puget Sound Nutrient Forum to form an advisory workgroup.

New permit for wineries helps protect water quality

We have worked together with the Washington's wineries to develop the first statewide water quality permit for wineries.

Puget Sound Nutrient Watch: What is the Problem with Nutrients?

Our third installment of Puget Sound Nutrient Watch focuses on Puget Sound's excessive nutrients.

Even tiny pollution makes a big problem for water quality

Looking for feedback on tools to address pollution in the Spokane River. 

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.