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...
Step two: Is it exempt or excluded?
Determine if your waste is excluded from the dangerous waste regulations.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/designation/is-it-exempt-or-excluded
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
Online UIC injection well registration
We provide online access to register new and existing underground injection control (UIC) wells.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/register-uic-wells-online
Underground injection control well registration requirements & information
Get Underground Injection Control (UIC) well registration requirements and information.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/uic-registration-requirements-information
Heat pump & air conditioning return flow UIC wells
Groundwater circulated through a heat pump/air conditioning (HAC) system has to meet requirements.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/heat-pump-air-conditioning-return-flow-wells
Hydrologic performance of bioretention
Study of the oldest bioretention facilities to evaluate infiltration performance.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/bioretention-infiltration
Aquatic & Invasive Species Control general permit
We have issued a combined state agency general permit.
https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/aquatic-invasive-species-control-general-permit
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
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
Air Liquide Hydrogen Plant, Anacortes
We regulate water and hazardous waste activities at the Air Liquide hydrogen plant in Anacortes.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/air-liquide
Matheson Tri-Gas, Anacortes
We regulate water and hazardous waste activities at the Linde hydrogen plant in Anacortes.
https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/matheson-anacortes
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
Safer cosmetics certification subsidy program
Cosmetics manufacturers can receive support to certify or reformulate products with safer ingredients.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives/safer-chemicals-for-manufacturers/cosmetics-certification-subsidy-program
Nicotine and cannabis waste
Learn how your business can properly handle nicotine, vape, and cannabis waste.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/nicotine-and-cannabis-waste
Terrestrial Ecological Evaluations
Terrestrial Ecological Evaluations (TEEs) identify and protect native plants and animals at sites.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/terrestrial-ecological-evaluation
Contained-in policy for contaminated soil and groundwater
Learn how to reduce cleanup costs by requesting approval under our contained-in policy.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contained-in-determinations
Step one: Get ready to designate
Learn what you need to start designating your waste.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/designation/get-ready-to-designate
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