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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Plans for maintaining air quality

View current plans to improve air quality and meet national air quality standards.

https://ecology.wa.gov/regulations-permits/plans-policies/state-implementation-plans/maintenance-sips

Geographic Response Plans (GRPs)

GRPs, a Northwest Area Contingency Plan tool, guide early, localized actions when oil spills happen.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/geographic-response-plans-for-oil-spills

Municipal stormwater permit guidance

We provide guidance for developing and implementing municipal stormwater management programs.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/municipal-stormwater-permit-guidance

Heat pump & air conditioning return flow UIC wells

Groundwater circulated through a heat pump/air conditioning (HAC) system has to meet requirements.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/heat-pump-air-conditioning-return-flow-wells

Aquatic Mosquito Control General Permit

This permit allows the use of insecticides to control mosquitoes.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/aquatic-mosquito-control

401 Water Quality Certifications for federal facilities

EPA writes NPDES permits for federal facilities. We issue water quality certifications for permits.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/certifications-for-npdes-federal-permits

General orders for air quality permits

A general order is a streamlined group permit for common commercial sources of air pollution.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/air-quality-general-orders

Choosing an analytical laboratory

Take these steps and consider what you need when choosing an environmental laboratory.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/how-to-choose-an-analytical-laboratory

Alcoa Wenatchee

We regulate the water and hazardous waste at Alcoa's Wenatchee aluminum smelter in Malaga.

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

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/underground-storage-tank-closures

SEPA document templates (forms)

SEPA checklist with guidance plus other suggested templates for SEPA notices.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-document-templates

Ecology as SEPA lead agency

For some proposals, we lead or co-lead the environmental review.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-at-ecology

Laboratory accreditation contacts

Our laboratory accreditation specialists are available to help you and to answer questions.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/lab-accreditation-contacts

Burn permits

Burn permits for agricultural, outdoor, or residential burning.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/burn-permits

Aquatic Noxious Weed Control General Permit

We issue this general permit to manage freshwater and marine noxious weeds in Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/aquatic-noxious-weed-control

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

Underground Storage Tank information for new owners and new installations

Information for new Underground Storage Tank (UST) owners and installation of new tanks.

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

Transportation implementation plans

Find out how we make sure transportation investments are consistent with air quality goals.

https://ecology.wa.gov/regulations-permits/plans-policies/state-implementation-plans/transportation-conformity

Property inspection checklist

Before buying property, use the property inspection checklist to complete an onsite inspection.

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

E-Cycle WA information for manufacturers

Find out whether you qualify as a manufacturer under the E-Cycle Washington program.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports/manufacturers