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...
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
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
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
Construction Stormwater General Permit
Construction that disturbs land and discharges stormwater may need a Construction Stormwater Permit.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Stormwater-general-permits/Construction-stormwater-permit
Industrial Stormwater General Permit
Find information and helpful resources about the Industrial Stormwater General Permit.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Stormwater-general-permits/Industrial-stormwater-permit
Municipal stormwater general permits
This permit covers urban areas that collect stormwater runoff in public storm sewer systems.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Stormwater-general-permits/Municipal-stormwater-general-permits
Beneficial use determinations
Learn about beneficial use determinations — exemptions from solid waste permitting requirements.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Solid-waste-permits/Beneficial-use-determinations
Burn permits
Burn permits for agriculture, outdoor, or residential burning.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Air-Quality-permits/Burn-permits
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-permits
Aquatic Invasive Species Management General Permit
Our permit allows in-water treatment of invasive aquatic animal species and non-native marine algae.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Aquatic-pesticide-permits/Aquatic-invasive-species-management
Aquatic Mosquito Control General Permit
This permit allows the use of insecticides to control mosquitoes.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Aquatic-pesticide-permits/Aquatic-mosquito-control
Aquatic Noxious Weed Control General Permit
We issue this general permit to manage freshwater and marine noxious weeds in Washington.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Aquatic-pesticide-permits/Aquatic-noxious-weed-control
Aquatic Plant & Algae Management General Permit
This permit covers the in-water and shoreline management of plants, algae, and phosphorus.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Aquatic-pesticide-permits/Aquatic-plant-algae-management
​Burrowing shrimp control (Imidacloprid)
We are denying a request to use imidacloprid on shellfish beds in Willapa Bay & Grays Harbor.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Aquatic-pesticide-permits/Burrowing-shrimp-control-Imidacloprid
Fisheries Resource Management Permit
We issue this permit to allow the use of pesticides to remove non-desirable fish species.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Aquatic-pesticide-permits/Fisheries-resource-management
Invasive Moth Control Permit
This permit allows the use of insecticides to eradicate Asian and European gypsy moths.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Aquatic-pesticide-permits/Invasive-moth-control
Irrigation System Aquatic Weed Control permit
This permit regulates the use of pesticides to manage plant and algae growth in irrigation systems.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Aquatic-pesticide-permits/Irrigation-system-aquatic-weed-control
Zostera japonica management on commercial clam beds in Willapa Bay General Permit
This permit allows the use of an herbicide to control non-native eelgrass in Willapa Bay.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Aquatic-pesticide-permits/Zostera-japonica-eelgrass-management
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
Beneficial Use Determination registry
List of all pending or approved beneficial use determinations.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Solid-waste-permits/Beneficial-use-determinations/Beneficial-use-determinations-registry
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