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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Rulemaking Announcement (WAC 173-224) 06/07/22

This is a rulemaking announcement (CR-101) for WAC 173-224 Water Quality Permit Fees..

https://ecology.wa.gov/rulemaking-announcement-wac-173-224-06-07-22

Rulemaking Announcement (WAC 173-201A) 06/22/22

This is a rulemaking announcement (CR-101) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-announcement-wac-173-201a-06-22-22

Rulemaking Announcement (WAC 173-201A) 08/30/22

This is a rulemaking announcement (CR-101) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-announcement-wac-173-201a-08-30-22

Rulemaking Announcement (WAC 173-201A) 09/27/22

This is a rulemaking announcement (CR-101) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-announcement-wac-173-201a-09-27-22

Rulemaking Adoption Notice (WAC 173-201A) 03/22/22

This is a rulemaking adoption (CR-103) for WAC 173-201A Water Quality Standards

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-03-22-22

Preliminary Draft Implementation Plan (WAC 173-201A) 06/10/20

Preliminary Draft Implementation Plan for PCB Variances on the Spokane River. Chapter 173-201A WAC.

https://ecology.wa.gov/preliminary-draft-implementation-plan-wac-173-201

Rulemaking Adoption Notice (WAC 173-201A) 9/17/21

This is a rulemaking adoption (CR-103) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-9-17-21

Rulemaking Adoption Notice (WAC 173-224) 06/22/21

This is a rulemaking adoption (CR-103) for WAC 173-224 Water Quality Permit Fees

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-224-06-01-21

Submittal Crosswalk (WAC 173-201A) 8/01/16

This is the Submittal Crosswalk for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/submittal-crosswalk-wac-173-201a-8-01-16

ACF wheel washing

Letter showing ACF wheel washing functional equivalence.

https://ecology.wa.gov/acfwestwheelwashfeaenclosure

Richland Public Meeting Handout 1

Presentation slides handout at Richland Public Meeting

https://ecology.wa.gov/e-wa-richland-public-meeting-handout-1

Adopted rule language (WAC 173-230) 07/10/19

This is adopted rule language for WAC 173-230 Certification of Wastewater Operators

https://ecology.wa.gov/adopted-rule-language-wac-173-230-07-10-19

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

Letter to Colonel Mark Geraldi, U.S. Army Corps of Engineers

A letter to Colonel Mark Geraldi, U.S. Army Corps of Engineers, from the Washington Department of Ecology, signed by Director Maia Bellon, expressing deep concern over its restarting the federal permitting process for Millennium Bulk Terminals in Longview.

https://ecology.wa.gov/letter-to-colonel-geraldi

CR101_173_219

Rule pre-proposal form

https://ecology.wa.gov/cr101form173_219

CR-102 Continuance Form (WAC 173-201A) 08/15/18

This is a rulemaking document (CR-102 Continuance) to correct the mailing addresses for the WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington comment period.

https://ecology.wa.gov/cr-102-continuance-form-wac-173-201a-08-15-18

Adoption Notice - Focus sheet

This is a rulemaking adoption focus sheet for WAC 173-230 AO 18-02 Wastewater Operator Certification

https://ecology.wa.gov/announcement-focus-sheet

Rulemaking Announcement (WAC 173-201A) 12/02/19

This is a rulemaking announcement (CR-101) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-announcement-wac-173-201a-12-02-19

Rulemaking Adoption Notice (WAC 173-201A) 12/30/19

This is a rulemaking adoption (CR-103) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-12-30-19

Richland Public Meeting Handout 2

Summary of changes handout for Richland Public Meeting

https://ecology.wa.gov/e-wa-richland-public-meeting-handout-2