Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Slide desk for statewide scoping webinar on April 3, 2018

Slides for the Cleanup Rule's statewide scoping session on Tuesday, April 3, 2018.

https://ecology.wa.gov/scopingsessionslidedeck04-03-2018

Rulemaking proposed language (WAC 173-350) 1/23/18

This is proposed rule language for WAC 173-350 Solid Waste Handling Standards.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-350-1-23-18

Fish consumption rate: Technical support document

This 2013 technical support document estimates how much fish Washington residents are eating.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/fish-consumption-rates-technical-support

Tools for cleaning up petroleum contaminated sites

We have online tools and guidance to help you clean up petroleum-contaminated sites.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-cleanup-tools/petroleum-cleanup-tools