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.
2017 and 2018 air quality days
A color coded chart showing the air quality days from good to very unhealthy for 2017 and 2018.
https://ecology.wa.gov/2019aqigraphic1718-alt
How can I protect my health at different AQI values
A color coded chart with numerical values telling what actions to take to protect your health during an air quality event.
https://ecology.wa.gov/2019aqigraphic-alt
Questions and Answers - Electric vehicle charging infrastructure along high-traffic corridors
Information on grant opportunities to add electric vehicle charging infrastructure on major transportation corridors in Washington.
https://ecology.wa.gov/20200107-vwfederalcorridorfaq
VW Settlement - Q & A EV charging infrastructure at workplaces grants
Electric Vehicle Charging Infrastructure at State and Local Government-Owned Facilities
https://ecology.wa.gov/20191003-workplace-charging-grants
20181205 Request for info - Public ferries
Request for information for public ferry repower grants
https://ecology.wa.gov/20181205-requestforinfo
2018 School Bus Replacement Preliminary Application Criteria
A criteria supplement to the 2018 Clean School Bus Replacement Application.
https://ecology.wa.gov/2018schoolbusreplacementprelimappcriteria
2018 School Bus Replacement Preliminary Application
A preliminary application to apply for the VW state settlement grant for clean school bus replacement.
https://ecology.wa.gov/2018schoolbusreplacementprelimapplication
2018 Transit Bus Replacement Interest Form 2018
A preliminary application to apply for the VW state settlement grant for transit bus replacement.
https://ecology.wa.gov/2018transitbusreplacementinterestform2018
Columbia County Agricultural Burn Zone Map
Map for agricultural burn zones in Columbia County
https://ecology.wa.gov/columbia-ag-burn-zone-map
Eastern Washington Agricultural Burn Zone Map
Map for agricultural burn zones in Eastern Washington
https://ecology.wa.gov/eastern-washington-agricultural-burn-zone-map
Franklin County Agricultural Burn Zone Map
Map for agricultural burn zones in Franklin County
https://ecology.wa.gov/franklin-ag-burn-zone-map
Electric Fire Truck Grant FAQs
FAQ for electric firetruck grants
https://ecology.wa.gov/electricfiretruckgrantfaq
Grant County Agricultural Burn Zone Map
Map for agricultural burn zones in Grant County
https://ecology.wa.gov/grant-ag-burn-zone-map
Walla Walla County Agricultural Burn Zone Map
Map for agricultural burn zones in Walla Walla County
https://ecology.wa.gov/walla-walla-ag-burn-zone-map
Whitman County Agricultural Burn Zone Map
Map for agricultural burn zones in Whitman County
https://ecology.wa.gov/whitman-ag-burn-zone-map
Alternatives to Agricultural Burning
A guide to help eliminate or reduce the need to burn.
https://ecology.wa.gov/200411alternativestoagburning
2018 State Agency Greenhouse Gas Calculator
An Excel file to help you determine you emissions.
https://ecology.wa.gov/2018stateagencycalculator
Cap-and-Invest Key Market Events Timeline 2024
Static .pdf timeline of key cap-and-invest market events for 2024. Companion to the interactive timeline on the Auctions and Market webpage.
https://ecology.wa.gov/20240110capandinvestkeymarketeventstimeline2024
Recycling Development Center
Washington State's Recycling Development Center: Developing secondary markets for recycled materials in the Pacific Northwest
https://ecology.wa.gov/recycling-development-center
PCBs in building materials
Learn which building materials could contain PCBs.
https://ecology.wa.gov/interactive-doc-pcbs-in-building-materials
465 results
1 - 20 of 465