Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

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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...
Publication index: Climate change publications and reports
List of links to all Ecology climate change publications, sorted by year.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Climate-change/Climate-publications
Chapter 173-445 WAC
This is the rulemaking page for Chapter 173-443 WAC, Greenhouse Gas Assessment for Projects.
https://ecology.wa.gov/Regulations-Permits/Laws-rules-rulemaking/Rulemaking/WAC-173-445
Chapter 173-446 WAC
This is the rulemaking page for Chapter 173-446 WAC.
https://ecology.wa.gov/Regulations-Permits/Laws-rules-rulemaking/Rulemaking/WAC-173-446
Chapter 173-446A WAC
This is the rulemaking page for Chapter 173-446A WAC.
https://ecology.wa.gov/Regulations-Permits/Laws-rules-rulemaking/Rulemaking/WAC-173-446A
2012-2016 Washington's Mandatory Greenhouse Gas Reported Emissions
This report shows greenhouse gas emissions reported to us under the state mandatory reporting program.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/2012-2016WAGreenhouseGasReportedEmissions
2012 - 2016 Washington Greenhouse Gas Reported Emissions
The Washington Mandatory Greenhouse Gas Reporting Program - Reported Emissions for 2012 - 2016
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Tracking-carbon-pollution/2012-2016WAGreenhouseGasReportedEmissions
0181009 GHG Reporting Schedule
2018 Greenhouse Gas Fee Reporting Schedule
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/20181009GHGReportingSchedule
Washington's greenhouse gas emissions targets
A chart showing greenhouse gas emission reduction targets compared to a 1990 baseline.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/20190729emissions-alt
HFC User Guide Short 20190901
This is the short (one-page) instructions about how to submit your completed HFC notification form using our online reporting system.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/HFC-User-Guide-Short-20190901
HFC User Guide Long 20190901
This is the longer instructions about how to submit your completed HFC notification form using our online reporting system.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/HFC-User-Guide-Long-20190901
2019 Greenhouse gas fee schedule
Greenhouse gas 2019 reporting fee and schedule
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/20191015-GHGReportingFeeSchedule
2001 - 2017 GHG and GDP percentage changes
graph showing population, economy, greenhouse gas emissions from 2001 - 2017
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Reducing-carbon-pollution/20191118ghggdp-alt
2019 Transportation Fuel Supplier Calculator
2019 Calculator to determine greenhouse gas emissions from transportation fuel suppliers
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/Tracking-carbon-pollution/2019-Transportation-fuel-supplier-tool
Greenhouse Gas Assessment for Projects (GAP) Rulemaking June 2020 Presentation
Public webinar presentation given 6-25-20
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/6-25-20-Presentation
Greenhouse Gas Assessment for Projects (GAP) Rulemaking July 2020 Presentation
Public webinar presentation given 7-23-20
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/7-23-20-Presentation
Greenhouse Gas Assessment for Projects (GAP) Rulemaking August 2020 Presentation
Public webinar presentation given 8-27-20
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/8-27-20-Presentation
Greenhouse Gas Assessment for Projects (GAP) Rulemaking June 2020 Meeting Summary
Meeting summary for 6-25-20 public rulemaking webinar
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/6-25-20-Meeting-Summary
Greenhouse Gas Assessment for Projects (GAP) Rulemaking July 2020 Meeting Summary
Meeting summary for 7-23-20 public rulemaking webinar
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/7-23-20-Meeting-Summary
Greenhouse Gas Assessment for Projects (GAP) Rulemaking August 2020 Meeting Summary
Meeting summary for 8-27-20 public rulemaking webinar
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/SEA/GAP-Rulemaking-WAC-173-445/8-27-20-Meeting-Summary
Focus on: Climate change and health equity
A joint Ecology and Health focus sheet exploring the health and community impacts of climate change.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Climate-change/201210-climate-justice-focus-sheet
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