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

5 days ago · Ecology has declared a statewide drought emergency due to exceptionally low snowpack and projected water shortages.

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, …

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

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.

Welcome to our newsroom. This is where you'll find links to recent news releases, blog stories, pictures and videos, our social media channels, and contact information for our communications team. Also, …

Jan 30, 2026 · Ecology funding is supporting efforts to reconnect Myers Creek in Okanogan County to its floodplain to restore wetlands. Communities across Washington are preparing to improve wastewater …

About us Our vision: Our partnerships protect and sustain healthy land, air, water, and climate in harmony with a strong economy. Our mission: To protect, preserve, and enhance Washington’s …

Public comments are accepted over a 30-, 45-, or 60-day period. During that time, you can share your input with us about specific changes in the permits we regulate. We review all comments and then …