This index identifies the sections of the SEPA rules and statute that provide information about a specific topic. Selecting a letter in the alphabetical list below will take you to that part of the ...

The list of rules below are categorized by topical areas. These links will take you to the existing rule language on the Washington State Legislature's Code Reviser's web page. The Office of the Code ...

We are implementing projects to meet current and future water needs in the Columbia River Basin. By ensuring the region is prepared to respond to droughts, our work supports growing communities, the ...

This plan was adopted by the Washington State Department of Ecology following the Open Data Policy established by the Office of the Chief Information Officer (OCIO). Measure: Number of times ...

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, ...

Spend time in Washington, and you're likely to encounter one of the many cascading rivers, salmon-filled streams, or picturesque lakes in abundance. From the Puget Sound lowlands to the high desert, ...

The following resources describe the restrictions under the single-use plastic bag ban. Businesses may send digital files or print and post these flyers to share information about Washington ...

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 ...

(Preferred) Use an electronic spreadsheet, such as Microsoft Excel or Google Sheets, to record data on your device. This will make it easier to submit data through our online portal. (Optional) Use a ...

Lea la historia de Hanford en español aquí. The past, present, and future of the Hanford Site is long and complex, dating back well before the site's construction in the 1940s and long into the future ...

We use the WRRL database to support our response and preparedness activities to: Locate and order response equipment during a drill or spill. Provide an overall picture of the region's response ...

The Product Replacement Program provides financial support for small businesses and community organizations to help protect employees, customers, and the environment from toxic chemicals in everyday ...