The Washington State Department of Ecology provides resources and information to protect and manage Washington's environment and natural resources.

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

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

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 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 …

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.

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. …

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), …

Washington's Air Monitoring Network Ecology and other clean air agencies maintain monitoring stations to measure air pollution in Washington. The map below displays current AQI levels. Find a bigger …

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