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 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 proposed language (WAC 173-201A) 02/01/16

This is proposed rule language for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-201a-02-01

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

This is proposed rule language for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-201a-01-08

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

This is the proposed rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-201a-3-24-2

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 proposed language (WAC 173-201A) 10/18/21

This is proposed rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

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

Rulemaking proposed language (WAC 173-224) 03/16/21

This is proposed rule language for (WAC 173-224) Water Quality Permit Fee

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-224-03-16-2

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 Proposed Language for Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington

This is the proposed rule language for Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-201a-07-17

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 proposed language (WAC 173-219) Aug. 23, 2017

This is proposed rule language for WAC 173-219 Reclaimed Water

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-219-08-23-1

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

This is proposed rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

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

Rulemaking proposed language (WAC 173-201A) 02/15/24

This is proposed rule language for (CR-102) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

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

Rulemaking Proposal Extension (WAC 173-201A) 03/13/24

This is a rulemaking proposal extension (CR-102 C) for WAC 173-201A 03/13/24

https://ecology.wa.gov/rulemaking-proposal-extension-wac-173-201a-03-13-24

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

ulemaking proposed language (WAC 173-201A) 5/10/24

This is proposed rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

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

Rulemaking Proposal Extension (WAC 173-201A) 7/11/24

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

https://ecology.wa.gov/rulemaking-proposal-extension-wac-173-201a-7-11-24

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

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

This is proposed rule language for WAC 173-201A - Water Quality Standards for Surface Waters of the State of Washington

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