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.
ROD ROD BENT 17-03 July 17 2018
A Report of Decision from the Benton County Water Conservancy Board
https://ecology.wa.gov/rod-rod-bent-17-03-july-17-2018
Rulemaking Emergency Adoption Notice (WAC 173-167) 07/28/2021
This is an emergency rulemaking adoption (CR-103E) for WAC 173-167 Emergency Drought Funding.
https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-167-07-28-202
Proposed rule language (WAC 173-501) 11/19/2019
This is proposed rule language for WAC 173-501 Instream Resources Protection Program - Nooksack Water Resource Inventory Area (WRIA) 1
https://ecology.wa.gov/proposed-rule-language-173-501
Proposed rulemaking (WAC 173-566) 01/17/2019
This is the proposed rulemaking announcement (CR-102) Chapter 173-566 Streamflow Restoration Funding
https://ecology.wa.gov/rule-language-wac173-566
Preliminary draft language (WAC 173-166) 09/01/17
This is Preliminary draft language for WAC 173-166 Emergency Drought Relief
https://ecology.wa.gov/preliminary-draft-language-173-166-wac-09-01-17
Rulemaking Announcement (WAC 173-166) 08/09/17
This is a rulemaking announcement (CR-101) for WAC 173-166 Emergency Drought Relief
https://ecology.wa.gov/rulemaking-announcement-wac-173-166-08-09-17
Proposed rulemaking (WAC 173-501) 11/19/2019
This is the proposed rulemaking announcement (CR-102) Chapter 173-501 Instream Resources Protection Program - Nooksack Water Resource Inventory Area (WRIA) 1
https://ecology.wa.gov/proposed-rulemaking-cr-102-wac-173-501
Rulemaking Adoption Notice (WAC 173-501) 05/27/2020
Rulemaking Adoption Notice (WAC 173-501) Instream Resources Protection Program - Nooksack Water Resource Inventory Area (WRIA) 1
https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-501-05-27-202
Rulemaking Adoption Notice (WAC 173-166) 04/11/2018)
This is a rulemaking adoption (CR-103) for WAC 173-166 Emergency Drought Relief
https://ecology.wa.gov/rulemaking-order-wac-173-166-04-11-2018
Petition for Declaratory Judgment and Judicial Review (WAC 173-557; 173-555) 01/27/15
Petition for Declaratory Judgment and Judicial Review for Chapter 173-557 WAC Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010 rulemaking.
https://ecology.wa.gov/petition-for-declaratory-judgment-and-judicial-rev
Rulemaking Announcement (WAC 173-501) Instream Resources Protection Program - Nooksack Water Resource Inventory Area (WRIA) 1
This is a rulemaking Announcement (WAC 173-501) Instream Resources Protection Program - Nooksack Water Resource Inventory Area (WRIA) 1
https://ecology.wa.gov/rulemaking-announcement-wac-173-501-02-05-2019
Petition to Amend the Instream Flow Rule(WAC 173-557; 173-555) 01/27/15
Petition to Amend the Instream Flow Rule for the Spokane River & Spokane Valley Rathdrum Prairie (SVRP) Aquifer, 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/petition-to-amend-the-instream-flow-rule-wac-173
Rulemaking Adoption Notice (WAC 173-557) 01/27/15
This is a rulemaking adoption (CR-103) 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-adoption-notice-wac-173-557-01-27-15
Plate 1 - Location and hydrogeologic unit (WAC 173-557; 173-555) 01/27/15
Plate 1 - Location and hydrogeologic unit of project wells in the Spokane Valley–Rathdrum Prairie aquifer study area 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/plate-1-location-and-hydrogeologic-unit-wac-173
Plate 1 (WAC 173-557; 173-555) 01/27/15
Plate 1 - Ground- and surface-water measurement sites, Spokane Valley–Rathdrum Prairie Aquifer 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/plate-1-wac-173-557;-173-555-01-27-15
Plate 2 - Map and hydrogeologic sections (WAC 173-557; 173-555) 01/27/15
• Plate 2 - Map and hydrogeologic sections showing location of wells, surficial geology, and hydrogeologic units 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/plate-2-map-and-hydrogeologic-sections-wac-173
Plate 2 (WAC 173-557; 173-555) 01/27/15
Plate 2 - Simplified surficial geology, generalized hydrogeologic sections, and surface geophysical transects, Spokane Valley–Rathdrum Prairie Aquifer 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/plate-2-wac-173-557;-173-555-01-27-15
Rainbow Trout Spawning Survey, (WAC 173-557; 173-555) 01/27/15
Rainbow Trout Spawning Survey, Spokane River Hydroelectric Project, FERC Project No. 2545, Parametrix, October 2003
https://ecology.wa.gov/rainbow-trout-spawning-survey-wac-173-557;-173-5
Rulemaking Announcement (WAC 173-166) 11/01/23
This is a rulemaking announcement (CR-101) for WAC 173-166 Emergency Drought Relief
https://ecology.wa.gov/rulemaking-announcement-wac-173-166-11-01-23
Rulemaking Adoption Notice (WAC 173-167) 12/11/24
This is the rulemaking adoption notice (CR-103) for Chapter 173-167 WAC (AO 24-04)
https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-167-12-11-24
1887 results
181 - 200 of 1887