On a sunny July afternoon, Gov. Jay Inslee visited Tukwila Park to learn about our Washington Conservation Corps, one of the ...

As part of our ongoing effort to reduce exposure to PFAS in consumer products, we’re conducting a new rulemaking under the ...

SepticSmart Week is an annual event that occurs the third week of September, and is a great reminder to do a check up on your ...

The Washington Department of Ecology is proposing to adopt the federal water pollution limits intended to protect human health – formally adding the existing federal limits into state rules. This ...

Channel migration zones are areas in a floodplain where a stream or river channel can be expected to move naturally over time in response to gravity and topography. Water bodies such as rivers and ...

Dangerous substances can spill to land, water, or air. The sooner a spill is reported, the sooner we can respond. Failure to report a spill you're responsible for could result in penalties.

If your facility generates dangerous waste, you must follow label requirements properly. Labeling is one of the most common compliance violations and the easiest to avoid. Good labeling will keep your ...

Rainwater collection, including the use of rain barrels, has become more popular as a supplemental source of water. In 2009, we issued a rainwater use interpretive policy, which clarifies that you may ...

In 2017, the Washington Legislature passed Senate Bill 5939 to promote a sustainable, local renewable energy industry through modifying tax incentives. One portion of the bill created Chapter ...

For the past few summers, neighbors along French Creek in Snohomish County have been noticing an unusual orange hue in the ...

Together with the Washington Department of Health, we regulate municipal water suppliers. As the state's water rights manager, we oversee municipalities' water rights, how much water they have, and ...

Local governments are required to develop comprehensive solid waste management plans. These plans serve as a guiding document for local governments' solid waste programs, including detailing all ...