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, access, convenience, and what would make a recycling refunds program easy to use. Input is welcome ...
The Washington State Department of Ecology provides resources and information to protect and manage Washington's environment and natural resources.
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 state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.
Ecology has declared a statewide drought emergency due to exceptionally low snowpack and projected water shortages.
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.
As we enter 2026, let’s take a moment to check in on what a wild month of December weather has meant for snowpack, water supplies, and the potential for drought in the year ahead. The massive rains and devastating floods that swept through communities across Washington in the first half of December were followed by cooler weather that led to heavy snowfall, and then a dry patch to finish out ...
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), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188.