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Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

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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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Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

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.

See more about this collection...
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 173-305) 09/14/22
This is a rulemaking announcement (CR-101) for WAC 173-305 Hazardous Waste Planning Fee
https://ecology.wa.gov/rulemaking-announcement-wac-173-305-09-14-22
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 Announcement (WAC 173-337) 11/17/21
This is a rulemaking announcement (CR-101) for WAC 173-337 Safer Products Restrictions and Reporting
https://ecology.wa.gov/rulemaking-announcement-wac-173-337-11-17-21
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 173-201A) 10/27/20
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-10-27-20
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 Announcement (WAC 173-323)
This is a rulemaking announcement for WAC 173-323 Grants and Loans
https://ecology.wa.gov/rulemaking-announcement-wac-173-323-7-25-17
Rulemaking Announcement (WAC 173-407) 02/07/17
This is a rulemaking Announcement (CR-101) for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities
https://ecology.wa.gov/rulemaking-announcement-wac-173-407-20170207
Rulemaking Announcement (WAC 173-408) 12-08-22
This is a rulemaking announcement (CR-101) for WAC 173-408, Landfill Methane Emissions.
https://ecology.wa.gov/rulemaking-announcement-wac-173-408-12-08-22
Rulemaking announcement (WAC 173-400) 07/17/18
This is the rulemaking announcement (CR-101) for WAC 173-400, General Regulations for Air Pollution Sources.
https://ecology.wa.gov/rulemaking-announcement-wac-173-400-07-17-18
Rulemaking Announcement (WAC 173-405; WAC 173-410; WAC 173-415) 06/20/18
This is a rulemaking announcement (CR-101) for WAC 173-405, Kraft Pulping Mills; WAC 173-410 Sulfite Pulping Mills; WAC 173-415 Primary Aluminum Plants.
https://ecology.wa.gov/rulemaking-announcement-wac-173-405;-wac-173-410;
Rulemaking Announcement 07/21/15
This is the first rulemaking announcement (CR 101) for Chapter 173-400 WAC General Regulations for Air Pollution Sources; Chapter 173-401 WAC Operating Permit Regulation.
https://ecology.wa.gov/rulemaking-announcement-wac-173-400;401-12-16-16
Rulemaking Announcement 12/16/16
This is the withdrawn rulemaking announcement (CR 101) for Chapter 173-400 WAC General Regulations for Air Pollution Sources; Chapter 173-401 WAC Operating Permit Regulation.
https://ecology.wa.gov/rulemaking-announcement-wc-173-400;401-07-21-15
Rulemaking Announcement (WAC 173-305) 11/22/23
This is a rulemaking announcement (CR-101) for WAC 173-305 Hazardous Waste Planning Fee
https://ecology.wa.gov/rulemaking-announcement-wac-173-305-11-22-23
Rulemaking Announcement (WAC 173-337) 12/08/23
This is a rulemaking announcement (CR-101) for WAC 173-337 Safer Products Restrictions and Reporting.
https://ecology.wa.gov/rulemaking-announcement-wac-173-337-12-06-23
Rulemaking Announcement (WAC 173-400; WAC 173-401) 01-18-24
This is a rulemaking announcement (CR-101) for WAC 173-400, General Regulations for Air Pollution Sources and WAC 173-401, Operating Permit Regulation.
https://ecology.wa.gov/rulemaking-announcement-wac-173-400;-wac-173-401-01-18-24
Rulemaking Announcement (WAC 173-339) MM/DD/YY
This is the rulemaking announcement (CR-101) for WAC 173-339)
https://ecology.wa.gov/rulemaking-announcement-wac-173-339-mm-dd-yy
Rulemaking Announcement (WAC 173-339) 12/19/24
Rulemaking Announcement CR 101
https://ecology.wa.gov/rulemaking-announcement-wac-173-339-12-19-24
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