Washington's working forests cover millions of acres, with the timber industry playing a vital economic role throughout the state. The Department of Natural Resources oversees the Forest Regulation ...

One of the main pollution sources from urban and suburban communities is stormwater. Stormwater is rain and snow melt that flows over rooftops, streets, landscaping, and parking lots that can pick up ...

Toxics Release Inventory (TRI) reports are required under the Emergency Planning and Community Right-to-Know Act (EPCRA). TRI provides annual data about chemical releases and pollution prevention ...

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 ...

Our most frequently requested information: ...

We have new requirements under the federal Energy Policy Act to develop an underground storage tank (UST) operator training program. We revised the state’s UST rule (Chapter 173-360A WAC) to include ...

Nonpoint water pollution is a leading threat to the health of rivers, lakes, wetlands, and marine water across the state. But what is nonpoint pollution? Nonpoint source pollution refers to the kind ...