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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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

Emissions reporting for small sources of air pollution

Learn how to submit your emissions data using the Source Management System (SMS).

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

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

Burn permits

Burn permits for agricultural, outdoor, or residential burning.

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

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

Notice of construction permit

Businesses must get a permit before installing or changing a source of air pollution.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/notice-of-construction-permit

Prevention of Significant Deterioration (PSD) permit

Prevention of Significant Deterioration (PSD) permits for major sources of air pollution.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/prevention-of-significant-deterioration-psd

Permit Register

The Permit Register includes actions or changes to air operating permits.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/air-operating-permits/permit-register

Health impact review of toxic air pollution

We must review new projects that emit toxic air pollutants.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits/notice-of-construction-permit/health-impact-assessments-of-toxic-air-pollutants

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

Infrastructure, rule, & program plans

Our plans and rules to improve air quality and meet national air quality standards.

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

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

Hanford Air Operating Permit (00-05-006 Renewal 2 - Revision B)

See a listing of all the federal facility permits that direct our work on the treatment, storage and disposal of dangerous and mixed wastes.

https://ecology.wa.gov/hanford-federal-facility-permits-aop

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

Tier Two Online

Log into SecureAccess Washington (SAW) to submit your Tier Two report electronically

https://ecology.wa.gov/tier-two-online

North Pacific Paper Corporation (NORPAC)

We regulate the water and hazardous waste activities at the NORPAC paper mill in Longview.

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

Online tool: Environmental Information Management System (EIM) - search data

Access to discrete and time-series environmental data for air, water, soil, sediment, aquatic animals, and plants.

https://ecology.wa.gov/environmental-information-management-system-eim

Aquatic pesticide permits

Find information about the various aquatic pesticide permits used in our state.

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

Industrial facility permits and regulation

We regulate air, water, and waste for most of the large industrial facilities in Washington.

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

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