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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Records search checklist

Before buying property, use the records search checklist for due diligence and to know past uses.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/records-search-checklist

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

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

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

Solvent-contaminated wipes

Follow these best management practices for solvent-contaminated wipes.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/solvent-wipes

Underground storage tank closures

Important information about closing your underground storage tanks.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/tank-closures

Industrial Section Permits

Links to all permits issued by Ecology's Industrial Section for air, water and waste at paper mills, refineries and chemical plants.

https://ecology.wa.gov/industrial-permits

Dangerous waste permits

Facilities that store, treat, or dispose of dangerous waste must have a dangerous waste permit.

https://ecology.wa.gov/regulations-permits/permits-certifications/dangerous-waste-permits

BP Refinery

We regulate water, hazardous waste, and cleanup activities at the BP Cherry Point Refinery in Blaine.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/bp-refinery

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

Lanxess Corporation (Formerly Emerald Kalama Chemical)

We regulate water, hazardous waste, and cleanup activities at the Lanxess Corporation plant.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/lanxess-corporation

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

Alcoa Intalco

We regulate air, water, hazardous waste, & cleanup at the Alcoa Intalco Aluminum Corp. in Ferndale.

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

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

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

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

Contained-in policy for contaminated soil and groundwater

Learn how to reduce cleanup costs by requesting approval under our contained-in policy.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contained-in-determinations

CLARC glossary

A glossary for terms and acronyms in CLARC's resource pages.

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

Cleanup Levels and Risk Calculation (CLARC)

CLARC's resources help you set contaminated site cleanup levels that comply with Washington law.

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