The Walla Walla basin extends into both Washington and Oregon, and crosses Tribal boundaries. The basin has a long history of challenges with water availability, including over appropriation of water ...

Our new Puget Sound Climate Resilient Riparian Systems grant program was developed in partnership with the Washington State Conservation Commission and Bonneville Environmental Foundation. Program ...

Registration is now open for the 19th annual Oregon-Washington Water Year 2024 Recap and 2025 Outlook Meeting. The virtual meeting will take place on Tuesday, October 29, 2024 (9 am-12:15 pm PST) and ...

Old orchards in Central Washington left lead and arsenic in soil. Builders must check land history, test soil, cleanup ...

Ecology seeking public comments to help shape the future for solar and onshore wind energy facilities in Washington.

CLARC July 2024 updates are now online. Cleanup Levels and Risk Calculation (CLARC) is a compendium of technical information related to calculating cleanup levels under Washington's Cleanup Rule, the ...

Supporting supply chain transparency. Identifying toxic chemicals for replacement. Switching to less toxic chemicals. Certifying their products. Learn how manufacturers can assess their current ...

Ecology’s Waste Reduction and Recycling Education (WRRED) grant program provides funding to qualified local governments and nonprofit organizations for local or statewide education programs designed ...

Map based searches using coordinates or any of nine other tools to navigate the map and retrieve map data. Text based water right record searches, using up to 24 different input fields to construct ...

We maintain the spatial datasets described here in order to better describe Washington's diverse natural and cultural environments. As a public service, we have made some of our data available for ...

Waste tires are those no longer suitable for their intended purpose due to wear or damage. Accumulations of waste tires harbor mosquitos, snakes, and other vermin, which pose health risks, such as the ...

The Beach Environmental Assessment, Communication & Health, or BEACH, Program ensures that marine water is safe to swim and play in and informs the public if water doesn't meet swimming standards.