Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

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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Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

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.

See more about this collection...
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
Clean Water Act: Section 401 Water Quality Certifications
Under the Clean Water Act, we help make sure projects, actions, and activities don't harm state waters.
https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification
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
Combined sewer overflows
We're working to control combined sewer overflows to keep water clean.
https://ecology.wa.gov/regulations-permits/permits-certifications/combined-sewer-overflows
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
Training and certification for facilities
Well-trained facility staff are critical for an effective spill prevention program.
https://ecology.wa.gov/regulations-permits/permits-certifications/facilities-training-certification
Fresh Fruit Packing General Permit
Find out about the Fresh Fruit Packing General Permit and get helpful resources.
https://ecology.wa.gov/regulations-permits/permits-certifications/fresh-fruit-packing-general-permit
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
Puget Sound Nutrient General Permit
We have issued the first Nutrient General Permit for WWTPs that discharge to Puget Sound.
https://ecology.wa.gov/regulations-permits/permits-certifications/nutrient-permit
Regulating facilities that handle mixed waste in Washington State
Ecology regulates low-level mixed waste facilities in Washington.
https://ecology.wa.gov/regulations-permits/permits-certifications/radioactive-mixed-waste-permits
Shoreline permits & enforcement
We support local governments in administering and enforcing shoreline permits.
https://ecology.wa.gov/regulations-permits/permits-certifications/shoreline-permits-enforcement
Solid waste facility permits
Learn which facilities are required to get solid waste permits in Washington.
https://ecology.wa.gov/regulations-permits/permits-certifications/solid-waste-permits
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