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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Permits & certifications
Withdrawal Notice (WAC 173-201A) 9/11/2012
This is the withdrawn rulemaking announcement (CR 101) for WAC 173-201A Water quality standards for surface waters of the state of Washington.
https://ecology.wa.gov/withdrawal-notice-wac-173-201a-9-11-2012
Water Treatment Plant General Permit 2014 Fact Sheet
This is the Water Treatment Plant General Permit 2014 Fact Sheet.
https://ecology.wa.gov/water-treatment-plant-general-permit-2014-fact-she
Wastewater Operator Certification WAC
This is the Washington Adminstration Code that governs how we certify operators. It also shows how plants are classified at the end of the document.
https://ecology.wa.gov/ww-wac
Watershed Management Plan Water Resource Inventory Area 55 (WAC 173-557; 173-555) 01/27/15
Watershed Management Plan Water Resource Inventory Area 55 - Little Spokane River & Water Resource Inventory Area 57 - Middle Spokane River, Prepared by: Spokane County regarding rulemaking for WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
https://ecology.wa.gov/watershed-management-plan-water-resource-inventory
wsr-24-09-005
Withdrawal Notice for 173-55, Accreditation of Cannabis Laboratories
https://ecology.wa.gov/withdrawal-memo-wac-173-55
401 Water Quality Certifications for non-hydropower permits
We review projects needing federal approval to assure compliance with state water quality standards.
https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/non-hydropower-401-certifications
Shellfish aquaculture 401 certification
We modified our certification process for shellfish growers because of new federal requirements.
https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/shellfish-aquaculture
Sand & Gravel Permit guidance
Guidance to implement your Sand & Gravel General Permit.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/sand-and-gravel-permit-guidance
Approved vendors for operator training
We have a list of approved vendors who provide UST operator training in Washington.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/operator-certification-training/approved-vendors
Millennium Bulk Terminals Longview
Millennium proposed a coal export terminal at the former Reynolds smelter in Cowlitz County.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-at-ecology/millennium
Underground storage tank service providers
Information for underground storage tank (UST) service providers and for those looking to find one.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/service-providers
Underground storage tank operator certification
Learn how to get the required underground storage tank operator certification.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/operator-certification-training
Longevity of biological protection using bioretention
Study about the effectiveness of bioretention soil retaining pollution over time.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/longevity-biological-protection-using-bioretention
Columbia & Cowlitz Railway
We regulate the water and hazardous waste activities at the Columbia & Cowlitz Railway in Longview.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/columbia-cowlitz-railway
Cosmo Specialty Fibers
We regulate air, water, and hazardous waste at Cosmo Specialty Fibers in Cosmopolis.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/cosmo-specialty-fibers
Georgia Pacific, Camas
We regulate water, hazardous waste, and cleanup actions at the Georgia Pacific mill in Camas.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/georgia-pacific-camas
HF Sinclair Puget Sound Refinery
We regulate water and hazardous waste activities at the HF Sinclair Puget Sound Refinery in Anacortes.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/hf-sinclair-puget-sound-refinery
McKinley Paper Company
We regulate water and hazardous waste at the McKinley Paper Co. mill in Port Angeles.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/mckinley-paper
Nippon Dynawave, Longview
We regulate the air, water, and hazardous waste activities at the Nippon Dynawave mill in Longview.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/nippon-dynawave-longview
Northwest Alloys, Addy
We regulate water and hazardous waste at Alcoa's Northwest Alloys in Addy.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/northwest-alloys-addy
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