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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Non-orchard pile BMP

This is the best management practice (BMP) for non-orchard pile, valid through June 30, 2025.

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

Spot BMP

This is the best management practice (BMP) for spot burns, valid through June 30, 2025.

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

ACO StormBrixx approval letter

ACO StormBrixx Geocellular system is approved for stormwater detention storage.

https://ecology.wa.gov/aco-stormbrixx-approval-letter

Perry Pallet Functional Equivalent

Ecology finds Perry Pallet Mulch functionally equivalent to BMP C121 Mulching and BMP C235 Wattles.

https://ecology.wa.gov/perry-pallet

Callahan Ag's general order application for a stationary rock crusher

This is the air quality general order application for a stationary rock crusher for Callahan Ag in Royal City.

https://ecology.wa.gov/20240924callahangoapp

Michael's Auto Body's general order application for an auto body repair and refinishing shop

This is the air quality general order application for an auto body repair and refinishing shop for Michael's Auto Body in Pasco.

https://ecology.wa.gov/20240131michaelsabgoapp

Michael's Auto Body State Environmental Policy Act (SEPA) Checklist and Determination of Non-Significance (DNS)

This is the SEPA Determination of Non-Significance (DNS) for Michael's Auto Body in Pasco.

https://ecology.wa.gov/20240131michaelsabsepadns

Storm Seeds notice of construction (NOC) application and associated documents

This is the air quality notice of construction application and associated documents for Storm Seeds in Moses Lake.

https://ecology.wa.gov/20240823stormseedsnocapp

Storm Seeds SEPA Determination of Non-Significance (DNS)

This is the SEPA Determination of Non-Significance (DNS) for Storm Seeds.

https://ecology.wa.gov/20241108stormseedssepadns

Overview of permitting & certifications

Find information on how to get a permit or certification from Ecology.

https://ecology.wa.gov/regulations-permits/permits-certifications/overview-of-permitting

Air quality permits

Permits for industrial air pollution and burning activities.

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

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

Certified water right examiner certification

We share information to help you gain or maintain your certified water right examiner certification.

https://ecology.wa.gov/regulations-permits/permits-certifications/certified-water-right-examiner

Washington's biosolids permit system

Help for operators with permit applications, and those managing permit coverage, including modifications.

https://ecology.wa.gov/regulations-permits/permits-certifications/biosolids-permit-system

Bridge & Ferry Terminal Washing Permit

This permit protects water from cleaning and painting activities at bridges and ferry terminals.

https://ecology.wa.gov/regulations-permits/permits-certifications/bridge-and-ferry-terminal-washing-permit

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

Cruise ships in Washington waters

Formal agreement with cruise ship companies helps prevent pollution and protect marine waters.

https://ecology.wa.gov/regulations-permits/permits-certifications/cruise-ship-memorandum-of-agreement-mou

Dam permits

Construction or reservoir permits may be required for your project.

https://ecology.wa.gov/regulations-permits/permits-certifications/dam-safety-permit

EPA Vessel General Permit

Find out about the EPA Vessel General Permit and tap into helpful resources.

https://ecology.wa.gov/regulations-permits/permits-certifications/epa-vessel-general-permit-graywater

Hanford dangerous waste & mixed waste permits

Permits direct cleanup to protect people and the environment from dangerous waste at Hanford.

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