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...
Aquatic weed control technical assistance
We provide advice on identifying, monitoring, and managing invasive freshwater aquatic plants.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Aquatic-weed-control-technical-assistance
Stormwater permittee guidance & resources
Resources for general permit application, reporting on monitoring, and technical requirements.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Stormwater-permittee-guidance-resources
Underground Injection Control (UIC) program: Chapter 173-218 WAC
We regulate discharge of injection well fluids to protect against groundwater contamination.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Underground-injection-control-program
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
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
Certified Erosion & Sediment Control Lead
Find a Certified Erosion & Sediment Control Lead or learn how to become one.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Certified-erosion-sediment-control
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
Water quality individual permit guidance
Guidance and resources for individual wastewater permits; limit pollution, maintain water quality.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Water-quality-permits-guidance
Boatyard General Permit
This permit protects marine waters from toxics that can get into stormwater runoff from boatyards.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Boatyard-general-permit
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
Environmental laboratory accreditation
Learn how we accredit environmental laboratories and where to find them.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Laboratory-Accreditation
Stormwater general permits
We issue permits to protect lakes, rivers, and saltwater from polluted stormwater runoff.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Stormwater-general-permits
Water Treatment Plant General Permit
We regulate drinking water facilities through the use of this permit.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Water-treatment-plants
Winery general permit
The winery general permit helps prevent possible pollution problems from winery wastewater.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Winery-permit
Water quality permit database — PARIS
Our PARIS database lets you access water quality permits, discharge-monitoring reports, and more.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Water-quality-permits-database
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
Sand & Gravel General Permit history
Find historical information about our Sand and Gravel General Permit.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Sand-Gravel-General-Permit/Sand-Gravel-General-Permit-history
Guidance for contaminated water on construction sites
Information on how to manage contaminated water on construction sites.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Stormwater-permittee-guidance-resources/Contaminated-water-on-construction-sites
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
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
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