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.
Rulemaking proposed language (WAC 173-201A) WQ Standards 07/30/19
This is the proposed rule language for WAC 173-201A multiple revisions to WQ Standards
https://ecology.wa.gov/proposed-language-wac-173-201a-07-30-19
Presentation slides (WAC 173-323) 8/7/17
August 7, 2017 Presentation slides for Chapter 173-323 rulemaking.
https://ecology.wa.gov/presentation-slides-wac-173-323
Presentation (WAC 173-455) 06-08-22
This is a presentation for the 6/8/22 stakeholder meeting for Chapter 173-455 WAC, Air Quality Fee Rule.
https://ecology.wa.gov/presentation-wac-173-455-06-08-22
Presentation (WAC 173-455) 05-18-22
This is a presentation for the 5/18/22 stakeholder meeting for Chapter 173-455 WAC, Air Quality Fee Rule.
https://ecology.wa.gov/presentation-wac-173-455-05-18-22
Proposal Notice (WAC 173-219) - CR-102 form 06/16/15
Rule proposal notice for Chapter 173-219 WAC filed on June 16, 2016.
https://ecology.wa.gov/proposal-notice-wac-173-219-cr-102-form-06-16
Proposal Notice Continuance (WAC 173-219) - CR-102 form - 06/16/15
Proposal Notice Continuance - CR-102 form for WAC 173-219 filed on June 16, 2015 to extend public comment period to Sept. 21, 2015
https://ecology.wa.gov/proposal-notice-continuance-wac-173-219-cr-102
Proposal Notice - CR 102 form
This is the CR-102 form for rulemaking regarding requirements that some plastic products contain a minimum amount of recycled plastic.
https://ecology.wa.gov/proposal-notice-cr-102-form
Proposal Rule Language
This document contains the proposed rule language for the CR-102 phase of rulemaking regarding requirements for some plastic products to contain a minimum amount of recycled plastic.
https://ecology.wa.gov/proposal-rule-language
Presentation slides (WAC 173-455; WAC 173-400) 03/21/17
This is a powerpoint presentation for a meeting on 3/21/17 for WAC 173-455 Air Quality Fee Rule; WAC 173-400 General Regulations for Air Pollution Sources.
https://ecology.wa.gov/presentation-slides-wac-173-455;-wac-173-400-03
Presentation (WAC 173-460) 08/20/18
This is a presentation for the 8/20/18 stakeholder meeting for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.
https://ecology.wa.gov/presentation-wac-173-460-08-20-18
Presentation about criteria air pollutants as toxic air pollutants (WAC 173-460) 11/16/18
This is a presentation for the 11/16/18 stakeholder meeting about criteria air pollutants as toxic air pollutants. It is related to rulemaking for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.
https://ecology.wa.gov/presentation-about-criteria-air-pollutants-as-toxi
Presentation about dimethyl mercury inhalation risk screening concentration (WAC 173-460) 10/10/18
This is a presentation for the 10/10/18 stakeholder meeting about dimethyl mercury inhalation risk screening concentration. It is related to rulemaking for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.
https://ecology.wa.gov/presentation-about-dimethyl-mercury-inhalation-ris
Presentation about small quantity emission rates-de minimis emission values (WAC 173-460) 01/23/19
This is a presentation for the 1/23/19 stakeholder meeting about small quantity emission rates (SQER) and de miminis emission values. It is related to rulemaking for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.
https://ecology.wa.gov/presentation-about-small-quantity-emission-rates-d
Presentation (WAC 173-446B) 8-10-23
This is a presentation for the August 10, 2023 stakeholder meeting for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting.
https://ecology.wa.gov/presentation-wac-173-446b-8-10-23
Presentation (WAC 173-446B) 9-7-23
This is a presentation for the September 7, 2023 stakeholder meeting for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting.
https://ecology.wa.gov/presentation-wac-173-446b-9-7-23
Presentation (WAC 173-446B) 9-12-23
This is a presentation for the September 12, 2023 stakeholder meeting for Chapter 173-446B WAC, Climate Commitment Act Funds Reporting.
https://ecology.wa.gov/presentation-wac-173-446b-9-12-23
Presentation (WAC 173-446B) 12-5-23
These are the presentation slides for the December 5, 2023 meeting to provide feedback on draft rule language for the CCA Funds Reporting rulemaking.
https://ecology.wa.gov/presentation-wac-173-446b-12-5-23
CCA Funds Reporting Rulemaking Public Hearing I
Presentation deck for the June 5th and 13th CCA funds reporting rulemaking public hearings
https://ecology.wa.gov/presentation-wac-173-446b-6-5-24
Presentation (WAC 173-448) 12-12-24
This is a presentation for the December 12, 2024 stakeholder meeting for Chapter 173-448 WAC, Air Quality in Overburdened Communities.
https://ecology.wa.gov/presentation-wac-173-448-12-12-24
Proposed offset protocol language (WAC 173-446) 2-12-25
This is the proposed protocol language for offset rulemaking, Chapter 173-446 WAC.
https://ecology.wa.gov/proposed-offset-protocol-language-wac-173-446-2-12-25
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