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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Attainment State Implementation Plans

Learn about Washington's plans to ensure communities meet national air quality standards.

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

Noise pollution — Frequently asked questions for residents

Do you have questions about noise pollution? Find some common questions and answers.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/noise-pollution/noise-pollution-faq-for-residents

Pollution prevention services for medium and large businesses

Get pollution prevention technical assistance for your medium or large business.

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

State-approved contingency plan holders

We review and approve oil spill contingency plans for facilities, pipelines, vessels, and railroads.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/approved-contingency-plan-holders

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

Online UIC injection well registration

We provide online access to register new and existing underground injection control (UIC) wells.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/register-uic-wells-online

401 Water Quality Certifications for hydropower licenses

We work with the Federal Energy Regulatory Commission (FERC) licensing process for hydropower dams.

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

Industrial Stormwater General Permit

Find information and helpful resources about the Industrial Stormwater General Permit.

https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/industrial-stormwater-permit

Annual air quality registration

Emission registration program for industrial air pollution.

https://ecology.wa.gov/regulations-permits/reporting-requirements/air-quality-emissions-reporting/air-quality-registration

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

Agrium Kennewick Fertilizer Operations

We regulate water and hazardous waste for Agrium Kennewick Fertilizer Operations facilities.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/agrium-kennewick-fertilizer-operations

Stormwater Action Monitoring

Western Washington stormwater permittees cooperatively monitor permit effectiveness through SAM.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring

Chemicals of high concern to children (CHCC)

List of chemicals that manufacturers of children's products must report on.

https://ecology.wa.gov/regulations-permits/reporting-requirements/childrens-safe-products-act-reporting/chemicals-of-high-concern-to-children

Columbia River water use compliance

Our watermaster investigates possible unauthorized use.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/water-use-compliance/columbia-river-water-use-compliance

Statewide SEPA register

We maintain a searchable database of received SEPA records since 2000.

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

SEPA guidance

Overview, purpose, and details of SEPA review process.

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

Washington Emissions Inventory Reporting System (WEIRS)

Submit your emissions data via WEIRS.

https://ecology.wa.gov/regulations-permits/reporting-requirements/air-quality-emissions-reporting/emissions-inventory-reporting

Air Liquide Hydrogen Plant, Anacortes

We regulate water and hazardous waste activities at the Air Liquide hydrogen plant in Anacortes.

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

Bench sheets and control charts for labs

Environmental laboratories can find and download quality-control spreadsheets.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/bench-sheets-and-control-charts-for-labs-old

Dangerous waste annual report

Those with active EPA/State Identification Numbers must submit a dangerous waste annual report.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/dangerous-waste-annual-report