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 Proposal (WAC 173-526) 04/19/10
This is a rulemaking proposal (CR-102) for WAC 173-526 Chapter 173-526 WAC - Cowlitz Water Resources Management Program - WRIA 26
https://ecology.wa.gov/rulemaking-proposal-wac-173-526-04-19-10
Rulemaking proposal (WAC 173-525)
This is a rulemaking proposal (CR-102) for WAC 173-525 Grays-Elochoman Instream Resources Protection and Water Management Program
https://ecology.wa.gov/rulemaking-proposal-wac-173-525
Rulemaking proposal continuance (WAC 173-525) 06/16/10
This is a rulemaking continuance for WAC 173-525 Grays-Elochoman Instream Resources Protection and Water Management Program
https://ecology.wa.gov/rulemaking-proposal-continuance-wac-173-525-06
Rulemaking Proposal Continuance (WAC 173-526) 06/16/10
This is a rulemaking proposal Continuance( CR-102) for WAC 173-526 Title.
https://ecology.wa.gov/rulemaking-proposal-continuance-wac-173-526-06-1
Rulemaking Notice of Withdrawal (WAC 173-503A) 02/14/05
This is a rulemaking notice of withdrawal for WAC 173-503A Instream Resources Protection Program Lower and Upper Skagit Water Resources Inventory Area (WRIAs 3 and 4)
https://ecology.wa.gov/rulemaking-notice-of-withdrawal-wac-173-503a-02
Rulemaking proposed language (WAC 173-526) 06/16/10
This is proposed rule language for WAC 173-526 Chapter 173-526 WAC - Cowlitz Water Resources Management Program - WRIA 26
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-526-06-16-1
Rulemaking proposed language (WAC 173-525) 03/02/05
This is proposed rule language for WAC 173-525 Grays-Elochoman Instream Resources Protection and Water Management Program
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-525-03-02-0
Rulemaking proposed language (WAC 173-566) 01/17/2019
This is proposed rule language for (WAC 173-566) Streamflow Restoration Funding 01/17/2019
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-566-01-17-2
Rulemaking proposal CR-102 (173-166 WAC) 01/02/2018
This is a rulemaking proposal (CR-102) for WAC 173-166 Emergency Drought Relief
https://ecology.wa.gov/rulemaking-proposal-173-166-wac-01-02-2018
Rulemaking proposed language (WAC 173-166) 01/02/2018
This is proposed rule language for WAC 173-166 Emergency Drought Relief
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-166-01-02-2
Rulemaking Proposal (WAC 173-557) 09/17/14
This is a rulemaking proposal (CR-102) for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
https://ecology.wa.gov/rulemaking-proposal-wac-173-557-09-17-14
Rulemaking proposed language (WAC 173-555) 09/17/14
This is proposed rule language for amendment to WAC 173-555 Water Resources Program in the Little Spokane River basin, WRIA 55.
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-555-09-17-1
Rulemaking proposed language (WAC 173-557) 09/17/14
This is proposed rule language for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer.
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-557-09-17-1
SEPA documentation (WAC 173-557) 09/17/14
This is SEPA documentation for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010
https://ecology.wa.gov/sepa-documentation-wac-173-557-09-17-14
Scientific Investigations Map 2095 (WAC 173-557; 173-555) 01/27/15
Scientific Investigations Map 2095 – Campbell, A.M. Groundwater Levels in the Spokane Valley-Rathdrum Prairie Aquifer, Spokane County, Washington and Bonner and Kootenai Counties, Idaho, September 2004 for WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
https://ecology.wa.gov/scientific-investigations-map-2095-wac-173-557;-1
Spokane River Minimum Instream Flow Recommendations (WAC 173-557; 173-555) 01/27/15
Spokane River Minimum Instream Flow Recommendations - Rusty Post, Ecology Watershed Planning August 1, 2012 WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
https://ecology.wa.gov/spokane-river-minimum-instream-flow-recommendation
Spokane River Temperature Profile, Barker Road to Plantes Ferry Park (WAC 173-557; 173-555) 01/27/15
Spokane River Temperature Profile, Barker Road to Plantes Ferry Park, Guy Gregory and John Covert, Ecology Publication 06-11-005, September 2005 for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
https://ecology.wa.gov/spokane-river-temperature-profile-barker-road-to
Streamflow Trends in the Spokane River and Tributaries (WAC 173-557; 173-555) 01/27/15
Streamflow Trends in the Spokane River and Tributaries, Spokane Valley/Rathdrum Prairie, Idaho and Washington, United States Geological Survey, Scientific Investigations Report 2005-5005 WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
https://ecology.wa.gov/streamflow-trends-in-the-spokane-river-and-tributa
Surface-Water/Ground-Water Interaction (WAC 173-557; 173-555) 01/27/15
Surface-Water/Ground-Water Interaction of the Spokane River and the Spokane Valley/Rathdrum Prairie Aquifer, Idaho and Washington, United States Geological Survey, Water Resources Investigations Report 03-4239U for WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
https://ecology.wa.gov/surface-water-ground-water-interaction-wac-173-55
Summary preliminary draft permit changes Sand and Gravel General Permit.
This document provides a summary of the proposed changes in the Preliminary Draft Sand & Gravel General Permit.
https://ecology.wa.gov/summary-preliminary-draft-permit-changes
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