In recent history, Washington has experienced three very strong El Niño events: 2016, 1998 and 1984. All three of those years ...

Spills of oil or hazardous materials to water must be reported immediately to help reduce impacts to the environment. Failure to report a spill you're responsible for could result in penalties. Stop ...

The drought declared in April and expanded in June continues with no end in sight. A group of state and federal water supply experts — the Water Supply Availability Committee — says there’s not enough ...

Roadway flooding in the coastal city of Westport. Photo courtesy of City of Westport. In 2023, we launched an innovative approach to help Washington’s coastal communities and Tribes build their ...

A section of the Deschutes River shoreline in Thurston County will be restored under a settlement agreement between the Washington Department of Ecology and the business owning the property. The river ...

The Washington State Department of Ecology seeks public comment on its draft permit renewal that will cover 52 waste sites and facilities at the Hanford Site in southeast Washington. The Hanford ...

For more than a year, we have been working with Tribes, local governments, state agencies, and the public to help us update five state shoreline management rules. While we will have final draft rule ...

The Water Quality Combined Funding Program funds projects that improve and protect water quality throughout Washington. The program combines grants and loans from state and federal funding sources.

We are launching a public comment on the draft renewal of the Hanford Sitewide Permit – one of our most important tools for ensuring Hanford’s cleanup supports our mission of preserving clean land, ...

The Dangerous Waste Report summarizes a business’s dangerous waste activities in Washington. All sites with an active EPA/State ID Number must submit a Dangerous Waste Report. Some businesses are ...

The federal Clean Air Act requires large sources and some small sources of air pollution to get an air operating permit. An air operating permit is a master document that lists all of the air ...

Most facilities permitted under the Statewide General Permit for Biosolids Management (general permit) are required to sample their biosolids for PFAS. Review the Sampling Guidance for PFAS in ...