One wetland that typically dries completely is a vernal pool. These wetlands hold water early in the growing season and then ...

This grant is the latest in a series awarded for cleaning up the historically contaminated Port Gardner Bay. Ecology is now ...

Crews are responding to a tanker truck rollover and spill into Indian Creek on July 18, 2025 at 11:30 a.m. A dual-tanker truck overturned into Indian Creek of U.S. Highway 101 in Clallam County. Photo ...

Establishing the administrative fee schedule We assess an annual administrative fee to cover costs for implementing the E-Cycle WA electronic product recycling program. This fee is separate from any ...

Wastewater treatment plants (WWTPs) serve an essential function to protect public health and the environment, including Washington's rivers, lakes, streams, and Puget Sound. The certification of ...

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 ...

With great enthusiasm, 19 community-based organizations partnered with Ecology and King County to distribute thousands of ...

On June 30, 2025, we released final programmatic environmental impact statements for three types of clean energy facilities in Washington -- onshore wind, solar and green hydrogen production. Guidance ...

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 ...

Jellyfish "smacks," or mass aggregations, are common in Puget Sound during the summer. The number of jellyfish appears to be growing larger, and we are interested in learning why. We are monitoring ...

Under Washington's Shoreline Management Act, the ordinary high water mark (OHWM) is defined as a biological vegetation mark. For locations where the OHWM cannot be found, our Shoreline Master Program ...

The following templates are based on applicable SEPA rule sections and other guidance materials. Lead agencies are encouraged to modify these templates for their own use and add information for ...