On a Washington Conservation Corps (WCC) field crew, you play a vital role in protecting and restoring Washington’s environment while gaining a deeper appreciation of the natural world and building ...

High bacteria levels in Puget Sound are a risk to human health. People can be exposed to illnesses when they swim and play in the water. In addition, shellfish are not safe to eat when bacteria levels ...

Conditionally excluded state-only dangerous waste. Solid only (not liquid, aqueous, or gaseous). Must be fully designated before it can be identified as special waste. Special wastes pose a relatively ...

The features that make Puget Sound such a stunning scenic, environmental, and economic resource also make it uniquely sensitive to pollution. Its long, narrow shape limits the circulation of water, ...

We conducted a statewide survey to learn about the general areas and regions in Washington where wetland-mapping work is completed or underway. There is an interactive map and other resources below to ...

The Excel spreadsheets and statistical packages on this page can help you plan cleanups, calculate cleanup levels, and show that your cleanup is happening as planned. Download these Excel files to ...

The Washington State Hydrography Dataset Program (WASHD) coordinates the mapping of the surface waters of the State. Historically this has been as the steward of the USGS National Hydrography Dataset ...

Most of the progress we've made on the Rayonier Mill cleanup has been behind the scenes, gathering the information we need to plan cleanup actions. We can only conduct long-lasting and effective ...

There are many freshwater streams and creeks that drain into South Skagit Bay, where shellfish farming takes place. Since 2017, Ecology has worked to discover where and why some of these creeks are ...

Our team receives many questions regarding the hydrofluorocarbons (HFCs) rule, restrictions, and requirements. To best support the transition away from HFCs, we've consolidated educational resources ...