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) 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 Announcement (WAC 173-224) 11/09/20

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

https://ecology.wa.gov/rulemaking-announcement-wac-173-224-11-09-20

Rulemaking Proposal (WAC 173-201A) 10/18/21

This is a rulemaking proposal (CR-102) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-10-18-21

Rulemaking Proposal (WAC 173-201A) 3/24/21

This is a rulemaking proposal (CR-102) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-3-24-21

Rulemaking Proposal (WAC 173-201A) 07/30/19

This is a rulemaking proposal (CR-102) for WAC 173-201A multiple revisions to WQ Standards

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-07-30-19

Rulemaking Proposal (WAC 173-224) 03/16/21

This is a rulemaking proposal (CR-102) for WAC 173-224 Water Quality Permit Fees

https://ecology.wa.gov/rulemaking-proposal-wac-173-224-03-16-21

Rulemaking Proposal (WAC 173-201A) 02/01/16

This is a rulemaking proposal (CR-102) for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-02-01-16

Rulemaking Proposal (WAC 173-201A) 01/08/15

This is a rulemaking proposal (CR-102) for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-01-08-15

Rulemaking Announcment 12-03 (WAC 173-201A) 9/13/12

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-announcment-12-03-wac-173-201a-9-13-1

Rulemaking Announcement (WAC 173-230) 06/22/18

This is a rulemaking announcement (CR-101) for WAC 173-230

https://ecology.wa.gov/rulemaking-announcement-wac-173-230-06-22-18

Rulemaking proposal (WAC 173-230) 03/12/19

This is a rulemaking proposal (CR-102) for WAC 173-230 Wastewater Operator Certification

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-230-03-12-1

Rulemaking Announcement 11-08 (WAC 173-201A) 9/13/12

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-11-08-wac-173-201a-9-13

Rulemaking Announcement withdrawal (WAC 173-219) November 2006

This is a rulemaking withdrawal for WAC 173-219 Reclaimed Water

https://ecology.wa.gov/rulemaking-announcement-withdrawal-wac-173-219-0

Rulemaking proposal (WAC 173-219) Aug. 23, 2017

This is a rulemaking proposal (CR-102) for WAC 173-219 Reclaimed Water

https://ecology.wa.gov/rulemaking-proposal-wac-173-219-08-23-17

Rulemaking Proposal (WAC 173-201A) 07/18/23

This is a rulemaking proposal (CR-102) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-07-18-23

This is a rulemaking proposal (CR-102) for WAC 173-201A 02/15/24

This is a rulemaking proposal (CR-102) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-02-15-24

Rulemaking Proposal (WAC 173-201A) 5/10/24

This is a rulemaking proposal (CR-102) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-5-10-24

Water Quality Fees Rulemaking Announcement

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

https://ecology.wa.gov/rulemaking-announcement-wac-173-224-8-7-2024

Rulemaking Proposal (WAC 173-201A) 09/17/2024

This is a rulemaking proposal (CR-102) for Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposal-wac-173-201a-09-17-2024