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We explain how we use our water quality standards and permits to regulate the use of aquatic pesticides. When used properly, aquatic pesticides can ;provide benefits to Washington's water.

Learn about how the global climate affects water quality, see the impacts warmer waters had on Puget Sound, and compare photos from flights throughout 2016.

Cleaning up mercury contamination and getting mercury out of the environment has been a priority at Ecology for decades

Information to provide your photos of King Tides along Washington's shorelines.

With just a few days left in May, American Wetlands Month is winding down. We wanted to share our role in protecting, restoring, and managing Washington’s wetlands resources.

This month we launched our new Dirt Alert Map. This online map focuses on the Tacoma Smelter Plume and  covers other areas in the state where arsenic- and lead-related soil contamination may exist.

A WCC AmeriCorps member reflects on her recent experience on a disaster response deployment to Iowa.

The Tacoma Smelter Plume project has three new Dirt Alert videos showing simple actions you can take to stay healthy, plus some great gardening and landscaping tips for around the home.

Shoreline stabilization video highlighting approaches property owners can use to protect shorelines while also promoting a healthy ecosystem.

This week, Ecology formally revised the state procedural rules for managing marine and freshwater shorelines.