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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Vancouver Maintenance Plan for Ozone

State Implementation Plan Revision for Ozone Maintenance Plan for Vancouver

https://ecology.wa.gov/vancouvero3

Technical Support Document for air quality general order for dry cleaners, May 20, 2006

This is the technical support document for the air quality general order for dry cleaners, May 20, 2006.

https://ecology.wa.gov/20060520drycleanerstsd

Air quality general order for dry cleaners, October 6, 2006

This is the air quality general order for dry cleaners, October 6, 2006.

https://ecology.wa.gov/20061006godrycleaners

Air quality general order for auto body shops

This is the air quality general order for auto body shops.

https://ecology.wa.gov/20080425gobodyshops

2005 to 2012 SWMMWW Redlines

This shows which sections changed between the 2005 and 2012 Stormwater Management Manual for Western Washington with edits marked with redline tracked changes.

https://ecology.wa.gov/2005-2012swmmwwredlines

Stormwater Control Transfer Program first draft comments

Comments on first draft guidance on a Stormwater Control Transfer Program

https://ecology.wa.gov/1st-draft-comments

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

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

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

Burrowing shrimp control

We work with the IPM group to find solutions to control burrowing shrimp in Willapa Bay & Grays Harbor.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/burrowing-shrimp-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

Evaluation of Best Management Practices Maintenance Conditions

Study evaluating the maintenance thresholds for select best management practices for stormwater.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/bmp-maintenance-conditions

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