We'd like your input on a legal agreement and other documents to clean up PFAS contamination at Paine Field in Everett.

Low Impact Development (LID) is a stormwater and land-use management strategy that tries to mimic natural hydrologic conditions by emphasizing the following techniques: Conservation Use of on-site ...

Shoreline & coastal management Washington's ocean and shorelines are integral to the regions character, quality of life, and economic viability. We work in partnership to protect and restore important ...

The “wettest” county east of the Cascades in June was Pend Oreille, which checked in with less than an inch of rain - a whopping 0.8 inches. Which, for the record, was still Pend Oreille’s ...

We're sharing the notable updates we are proposing for the Sand and Gravel General permit as well as information about how you can share your feedback.

Cleaning up spills Find an approved response contractor If you spill, you will need to hire a state-approved hazmat or primary response contractor to clean up your spill. List of approved response ...

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 ...

We manage the State Environmental Policy Act (SEPA) on behalf of local governments and state agencies in Washington. This summary is designed to answer frequently asked questions about SEPA.

Water availability is directly related to how much annual precipitation the state receives. We monitor current water and snowpack supplies and future weather conditions so we can inform the public and ...

How to operate your wood stove more efficiently (video). An air quality burn ban is usually called during colder months when air pollution from wood smoke gets unhealthy. This kind of burn ban does ...

Air Quality Clean air is vital for everyone. We manage smoke, vehicle pollution, industrial emissions, and other pollutants so communities have healthy air to breathe. We do this through permits, ...

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 ...