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.
Final Rule language
This is the final rule language for the No Discharge Zone rule
https://ecology.wa.gov/final-rule-language
TDG Hearing Presentation 9/16/19
Presentation at public hearing in Vancouver, WA on proposed revisions to WAC 173-201A
https://ecology.wa.gov/tdg-hearing-presentation
Implementation dates (WAC 173-446) 9-29-22
This is the September 29, 2022 implementation timeline for Chapter 173-446 WAC, Climate Commitment Act Program.
https://ecology.wa.gov/implementation-dates-wac-173-446-9-29-22
Handout for stakeholder mtg (WAC 173-443) 11/13-14/19
This is the handout for the 11/13-14/19 stakeholder meetings for Chapter 173-443 WAC, Hydrofluorocarbons.
https://ecology.wa.gov/handout-for-stakeholder-mtg-wac-173-443-11-13-14
Grocery retailers meeting summary (WAC 173-443) 5/10/22
This is the summary for the 5/10/22 Q&A with grocery retailers about Chapter 173-443 WAC, Hydrofluorocarbons.
https://ecology.wa.gov/grocery-retailers-meeting-summary-wac-173-443-5-10
Far West Agribusiness Association comments (WAC 173-460) 01/16/19
These are Far West Agribusiness Association's 1/16/19 comments to remove ammonium sulfate from the toxic air pollutant list, Chapter 173-460 WAC.
https://ecology.wa.gov/2019-farwestagribusinessassociationcomments
Indirect Land Use Conversion (WAC 173-424) 04/04/22
This documents indirect land use conversion for Washington Clean Fuels Standard, April 4, 2022 version.
https://ecology.wa.gov/indirect-land-use-conversion-wac-173-424-04-04-22
Indirect Land Use Conversion (WAC 173-424) 03/10/22
This documents indirect land use conversion for Washington Clean Fuels Standard.
https://ecology.wa.gov/indirect-land-use-conversion-wac-173-424-03-08-22
Final Meeting Notes - March 16, 2015
Final Meeting Notes - March 16, 2015
https://ecology.wa.gov/final-meeting-notes-march-16-2015
Final Meeting Notes - March 16, 2015
Final Meeting Notes - March 16, 2015
https://ecology.wa.gov/final-meeting-notes-march-16-2015-3e2cf4ccf0938947b0e03c5fdc818bad
Inert Criteria Work Group Agenda - April 23, 2014
Inert Criteria Work Group Agenda - April 23, 2014
https://ecology.wa.gov/inert-criteria-work-group-agenda-april-23-2014
Final Meeting Notes - March 19, 2015
Final Meeting Notes - March 19, 2015
https://ecology.wa.gov/final-meeting-notes-march-19-2015
Inert Criteria Work Group Agenda - April 29, 2015
Inert Criteria Work Group Agenda - April 29, 2015
https://ecology.wa.gov/inert-criteria-work-group-agenda-april-29-2015
Inert Criteria Work Group Agenda - July, 30, 2014
Inert Criteria Work Group Agenda - July, 30, 2014
https://ecology.wa.gov/inert-criteria-work-group-agenda-july-30-2014
Inert Criteria Work Group Agenda - June, 10 2014
Inert Criteria Work Group Agenda - June, 10 2014
https://ecology.wa.gov/inert-criteria-work-group-agenda-june-10-2014
Inert Criteria Work Group Notes - April 23, 2014
Inert Criteria Work Group Notes - April 23, 2014
https://ecology.wa.gov/inert-criteria-work-group-notes-april-23-2014
Inert Criteria Work Group Notes - July 30, 2014
Inert Criteria Work Group Notes - July 30, 2014
https://ecology.wa.gov/inert-criteria-work-group-notes-july-30-2014
Inert Criteria Work Group Notes - June 10, 2014
Inert Criteria Work Group Notes - June 10, 2014
https://ecology.wa.gov/inert-criteria-work-group-notes-june-10-2014
Expedited rulemaking proposed language (WAC 173-360A) 06/30/23
This is proposed rule language for WAC 173-360A, Underground Storage Tank Regulations.
https://ecology.wa.gov/expedited-rulemaking-proposed-language-wac-173-360a
Expedited Rulemaking Proposal (WAC 173-360A) 06/30/23
This is an expedited rulemaking proposal (CR-105) for WAC 173-360A, Underground Storage Tank Regulations.
https://ecology.wa.gov/expedited-rulemaking-proposal-wac-173-360a
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