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.
Northwest Alloys, Longview
We regulate water, hazardous waste and cleanup activities at Northwest Alloys in Longview.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/northwest-alloys-longview
Pacific Functional Fluids
We regulate wastewater and hazardous waste activities at Pacific Functional Fluids in Tacoma.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/pacific-functional-fluids
Phillips 66 Refinery
We regulate water and hazardous waste activities at the Phillips 66 refinery in Ferndale.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/phillips-66-refinery
Puget Sound Energy Ferndale Generating Station
We regulate water and hazardous waste at the PSE Ferndale electricity cogeneration station.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/puget-sound-energy-ferndale-generating-station
SeaPort Sound Terminal
We regulate water and hazardous waste activities at the SeaPort Sound Terminal in Tacoma.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/seaport-sound-terminal
Solvay Chemicals, Longview
We regulate the water and hazardous waste activities at the Solvay chemical plant in Longview.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/solvay-chemicals
Sonoco Paper Mill
We regulate water and hazardous waste activities at Sonoco Products Company in Sumner.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/sonoco
Specialty Minerals, Longview
We regulate water and hazardous waste at the Specialty Minerals chemical plant in Longview.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/specialty-minerals-longview
Tesoro Logistics Anacortes Facility
We regulate water and hazardous waste at the Tesoro Logistics operations in Anacortes.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/tesoro-logistics-anacortes
Tesoro Refinery
We regulate water, hazardous waste, and cleanup at Tesoro Refining & Marketing Company in Anacortes.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/tesoro-refinery
U.S. Oil Refinery
We regulate water and hazardous waste at the U.S. Oil and Refining Co. oil refinery in Tacoma.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/us-oil-refining
WestRock, Tacoma
We regulate air, water, and hazardous waste at RockTenn's WestRock pulp and paper mill in Tacoma.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/westrock-tacoma
Hazardous waste service providers
Learn how your business can hire a waste service provider to handle and dispose of your dangerous waste.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dispose-recycle-or-treat/hazardous-waste-service-provider
Stormwater Action Monitoring communications
You can find SAM Booklet, fact sheets and videos on this page.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/communications
Environmental impact statement process
Overview about Environmental Impact Statements process under SEPA.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/guide-for-lead-agencies/environmental-impact-statements
WAC 173-50: Accreditation of Environmental Laboratories
This is the rulemaking page for Chapter 173-50 WAC.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-50
Regulatory guidance for oil industry
Spills reporting and state requirements for Class 1-4 facilities, vessels, railroads, and pipelines.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-oil-industry
Water quality individual permit guidance
Guidance and resources for individual wastewater permits; limit pollution, maintain water quality.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/water-quality-permits-guidance
WQWebPortal guidance
Learn how to submit your permit documents electronically through the WQWebPortal.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/water-quality-permits-guidance/wqwebportal-guidance
Applying for laboratory accreditation
Learn specific details on how laboratories may seek and maintain accreditation in Washington.
https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/applying-for-laboratory-accreditation
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