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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Presentation slides (WAC 173-323) 8/7/17

August 7, 2017 Presentation slides for Chapter 173-323 rulemaking.

https://ecology.wa.gov/presentation-slides-wac-173-323

Goldendale Energy Storage Project

Environmental review and permitting for the proposed Goldendale Energy Storage Project.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/goldendale-energy

Pollution prevention assistance (PPA)

Businesses can get free, non-regulatory pollution prevention help from local PPA specialists.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention-services/pollution-prevention-assistance

Grays Harbor terminal expansion environmental reviews

The current status of environmental reviews for two oil-related proposals in Grays Harbor.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-at-ecology/grays-harbor-terminal-expansion