Ecology is considering amendments to Chapter 173-423 WAC, Washington’s Clean Vehicles Program rule. Washington law (RCW 70A.30.010) requires Ecology to adopt certain California regulations to maintain ...

We're updating requirements for protecting water quality when washing and maintaining bridges and ferry terminals.

We are starting the rulemaking process to amend Chapters 173-18, -20, -22, -26, and -27 under the Shoreline Management Act. Visit the rulemaking page for more information. This toolbox is designed for ...

We aim to provide timely information about contaminated site cleanups and opportunities for you to participate in that process. On this page you can find our: Contaminated Site Register — Sign up to ...

Puget Sound is critical to our environment, culture, and economy. About two-thirds of the state’s population lives in the Puget Sound region. Our nation’s second largest marine estuary faces a number ...

The Ecology Litter Corps (formerly Ecology Youth Corps) hires teens 14 –17 years old to serve on summer litter crews and provide an important service to their community. They gain valuable job skills, ...

The Department of Health recommends private well owners test their drinking water every year for coliform bacteria and nitrate. These two contaminates can rapidly affect a person’s health — possibly ...

We are responsible for protecting, preserving, and enhancing Washington’s environment. Permits and certifications ensure that individuals and businesses understand and comply with all applicable ...

We conduct projects that use Geographic Information System (GIS) produced maps as aids in accomplishing our mission. We build and maintain GIS maps to help our staff and the public understand the ...

We work to safely manage solid, hazardous, and nuclear waste and reduce toxic chemicals in the products you use. We regulate the threats found in everyday household products and help businesses ...

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 ...

We offer post-cleanup grants to local governments that independently clean up contamination under the Voluntary Cleanup Program. The purpose of Independent Remedial Action Grants (IRAGs) is to ...