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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Agenda (WAC 173-408) 5-4-23

This is the agenda for the May 5, 2023 stakeholder meeting for Chapter 173-408 WAC, Landfill Methane Emissions.

https://ecology.wa.gov/agenda-wac-173-408-5-4-23

Agenda (WAC 173-408) 3-30-23

This is the agenda for the March 30, 2023 stakeholder meeting for Chapter 173-408 WAC, Landfill Methane Emissions.

https://ecology.wa.gov/agenda-wac-173-408-3-30-23

Agenda (WAC 173-441) 07/22/21

This is the agenda for the 7/22/21 stakeholder meeting for Chapter 173-441 WAC, Reporting of Emissions of Greenhouse Gases.

https://ecology.wa.gov/agenda-wac-173-441-07-22-21

Agenda 02/15/17

Stakeholder meeting agenda 02/15/17

https://ecology.wa.gov/agenda-wac-173-400;401-02-15-17

Agenda (WAC 173-424) 04/13/22

This is the agenda for the April 13, 2022 stakeholder meeting for Chapter 173-424 WAC, Clean Fuels Program Rule.

https://ecology.wa.gov/agenda-wac-173-424-04-13-22

Agenda (WAC 173-423-400) 04/19/22

This is the agenda for the April 19, 2022 stakeholder meeting for Chapter 173-423 WAC, Clean Vehicles Program and Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/agenda-wac-173-423-400-04-19-22

Agenda (WAC 173-408) 6-21-23

This is the agenda for the June 21, 2023 stakeholder meeting for Chapter 173-408 WAC, Landfill Methane Emissions.

https://ecology.wa.gov/agenda-wac-173-408-6-21-23

Agenda (WAC 173-424) 03/15/22

This is the agenda for the March 15, 2022 stakeholder meeting for Chapter 173-424 WAC, Clean Fuels Program Rule.

https://ecology.wa.gov/agenda-wac-173-424-03-15-22

Agenda (WAC 173-423-400) 02/28/22

This is the agenda for the February 28, 2022 stakeholder meeting for Chapter 173-423 WAC, Clean Vehicles Program and Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/agenda-wac-173-423-400-02-28-22

Agenda 10/18/17

Stakeholder meeting agenda

https://ecology.wa.gov/agenda-wac-173-400;401-10-18-17

Agenda 11/29/17

This is the agenda for the 11/29/17 stakeholder meeting.

https://ecology.wa.gov/agenda-wac-173-400;401-11-29-17

Agenda (WAC 173-424) 01/27/22

This is the agenda for the January 27, 2022 stakeholder meeting for Chapter 173-424 WAC, Clean Fuels Program Rule.

https://ecology.wa.gov/agenda-wac-173-424-01-27-22

Agenda (WAC 173-423-400) 6-14-22

This is the agenda for the June 14, 2022 stakeholder meeting for Chapter 173-423 WAC, Clean Vehicles Program and Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/agenda-wac-173-423-400-6-14-22

Agenda (WAC 173-424) 11/16/21

This is the agenda for the November 16, 2021 stakeholder meeting for Chapter 173-424 WAC, Clean Fuels Program Rule.

https://ecology.wa.gov/agenda-wac-173-424-11-16-21

Agenda (WAC 173-424) 10/06/21

This is the agenda for the October 6, 2021 stakeholder meeting for Chapter 173-424 WAC, Clean Fuels Program Rule.

https://ecology.wa.gov/agenda-wac-173-424-10-06-21

Agenda (WAC 173-441) 10-12-23

This is the agenda for the October 12, 2023 meeting to provide feedback on draft rule language for the Electricity Markets rulemaking.

https://ecology.wa.gov/agenda-wac-173-441-10-12-23

Agenda (WAC 173-441) 10-16-23

This is the agenda for the October 16, 2023 meeting to provide feedback on draft rule language for the Electricity Markets rulemaking.

https://ecology.wa.gov/agenda-wac-173-441-10-16-23

Agenda (WAC 173-424) 2-22-24

This is the agenda for the February 22, 2024 public meeting for the Clean Fuel Standard rulemaking.

https://ecology.wa.gov/agenda-wac-173-424-2-22-24

Agenda (WAC 173-424) 2-28-24

This is the agenda for the February 28, 2024 public meeting for the Clean Fuel Standard rulemaking.

https://ecology.wa.gov/agenda-wac-173-424-2-28-24

Agenda (WAC 173-400; WAC 173-401) 5-15-24

This is the agenda for the May 15, 2024 stakeholder meeting for Chapter 173-440 WAC, General Regulations for Air Pollution Sources and Chapter 173-401 WAC, Operating Permit Regulation.

https://ecology.wa.gov/agenda-wac-173-400;-wac-173-401-5-15-24