Nov 18, 2025 · We're proud to protect, preserve, & enhance Washington's environment for current and future generations. Learn more about us

Apr 8, 2026 · Ecology has declared a statewide drought emergency due to exceptionally low snowpack and projected water shortages.

Nov 20, 2025 · Ecology releases revised draft study looking at potential environmental impacts of proposed Chehalis River flood control project..

Ecology is seeking input on how a recycling refunds program, also known as a bottle bill, could work best for communities across the state of Washington. This short survey asks about recycling habits, …

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our …

Ecology chairs this group that provides an important consultative role to Ecology. WSAC advises Ecology on current and forecasted water supply conditions and whether the hydrologic drought …

We accredit environmental laboratories — including those that analyze drinking water, wastewater, surface water, groundwater, stormwater, biosolids, fish tissue, soil, sediments, and solid and …

Mar 19, 2026 · The Washington Department of Ecology issued penalties totaling over $1.1 million to Amazon Inc. and Walmart Inc. for illegally selling climate-polluting cooling and refrigeration products. …

Sep 5, 2025 · Ecology issued an official rebuke of a federal report being used to justify the rollback of climate regulations and released a new scientific analysis of local climate impacts.

The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), …