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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H5 Data Centers notice of construction (NOC) application and supporting information

This is the air quality notice of construction application and supporting information for H5 Data Centers in Grant County, near Quincy.

https://ecology.wa.gov/20211110h5revnocapp

Boise Cascade Plywood, Kettle Falls notice of construction application

This is the air quality notice of construction application Boise Cascade Plywood in Kettle Falls.

https://ecology.wa.gov/20240813bcplywoodnocapp

Western Construction's general order application for a portable rock crusher

This is the air quality general order application for a portable rock crusher for Western Construction's Plant 5 portable.

https://ecology.wa.gov/20240701westernconst5goapp

Oroville Reman & Reload Notice of Construction (NOC) Application

This is the air quality notice of construction application for Oroville Reman & Reload in Oroville

https://ecology.wa.gov/08012024orovillereman-reloadnocapp

Microsoft East Wenatchee Data Center Notice of Construction (NOC) Application and associated documents

This is the air quality notice of construction application and associated documents for Microsoft East Wenatchee Data Center in East Wenatchee.

https://ecology.wa.gov/20240119mseastwenatcheenocapp

Landau Microsoft East Wenatchee Supporting Documents

This is the air quality notice of construction supporting documents for Microsoft East Wenatchee Data Center application for

https://ecology.wa.gov/20240119landaumsewsupp

Department of Corrections WA State Penitentiary notice of construction (NOC) application

This is the air quality notice of construction application for the Washington State Penitentiary in Walla Walla.

https://ecology.wa.gov/20240222docpennocapp

Central Rock's general order application for a portable rock crusher

This is the air quality general order application for a portable rock crusher for Central Rock in Chelan.

https://ecology.wa.gov/20240606centralrockgoapp

Microsoft East Wenatchee Data Center technical support document for a draft notice of construction (NOC) permit

This is the technical support document for Microsoft East Wenatchee Data Center's draft notice of construction permit.

https://ecology.wa.gov/20240906mseasttsd

Microsoft East Wenatchee Data Center Draft Notice of Construction (NOC) Permit

This is the draft notice of construction (NOC) permit for Microsoft East Wenatchee Data Center, in East Wenatchee.

https://ecology.wa.gov/20240906mseastdraftpermit

Air quality permits

Permits for industrial air pollution and burning activities.

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

Certification for incinerator & landfill operators

How to get certified to operate and inspect solid waste incinerator and landfill facilities.

https://ecology.wa.gov/regulations-permits/permits-certifications/certification-for-incinerator-landfill-operator

Air operating permit for large sources of air pollution

Air operating permit requirements for large sources of air pollution.

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

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

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-permit/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

Air Operating Permit Report for Fiscal Years 2022 and 2023, updated November 2021

This is the workload analysis and budget report for the Air Operating Permit Program for Fiscal Years 2022 and 2023, updated November 2021.

https://ecology.wa.gov/202111aopreportfy22