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 Second 10-Year Maintenance Plan for Carbon Monoxide

State Implementation Plan Revision for a Second 10-Year Carbon Monoxide Maintenance Plan for Vancouver

https://ecology.wa.gov/vancouverco

Vancouver Maintenance Plan for Ozone

State Implementation Plan Revision for Ozone Maintenance Plan for Vancouver

https://ecology.wa.gov/vancouvero3

Alternatives to Agricultural Burning

A guide to help eliminate or reduce the need to burn.

https://ecology.wa.gov/200411alternativestoagburning

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

Air quality general order for small water heaters and steam-generating boilers, August 8, 2008

This is the air quality general order for small water heaters and steam-generating boilers, August 8, 2008.

https://ecology.wa.gov/20080808goheatersboilers

Technical support document supplement for air quality general order for auto body shops.

This is the technical support document supplement for the air quality general order for auto body shops.

https://ecology.wa.gov/200808bodyshopstsd

T-Mobile Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for Health Impact Assessment (Second Tier Review) for T-Mobile Data Center, 7/17/08

https://ecology.wa.gov/t2t-mobile-tsd

VMware Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for the Health Impact Assessment (Second Tier Review) for VMware Data Center, 7/17/08

https://ecology.wa.gov/t2vmware-tsd

Yahoo Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for Health Impact Assessment (Second Tier Review) for Yahoo Data Center, 10/8/07

https://ecology.wa.gov/t2yahootsd

Regional haze reasonable progress goals - draft

Draft chapter Washington regional haze plan reasonable progress goals.

https://ecology.wa.gov/011121-draft-sip-regional-haze-reasonable-progress

Draft regional haze strategy

Draft SIP plan - regional haze strategy chapter

https://ecology.wa.gov/011121-draft-sip-regional-haze-strategy

Draft Washington regional haze plan four-factor analysis

Draft chapter Washington regional haze plan four-factor analysis

https://ecology.wa.gov/011121-draft-washington-regional-haze-plan-four-fa

Federal land managers - draft response to comments

Draft response to comments from federal land managers on proposed updates to regional haze plan.

https://ecology.wa.gov/011121-flm-response-to-comments-draft

Vantage Data Center Health Impact Assessment (Second Tier Review) Recommendation, April 2022

This is the April 2022 Health Impact Assessment (Second Tier Review) Recommendation for Vantage Data Center.

https://ecology.wa.gov/202204vantagetier2rec