Water Quality
- Public Notice: Environmental Quality Council Hearing-Water Quality Rules Chapter 1 September 10, 2026Wyoming Department of Environmental Quality | view as a webpage Wyoming Environmental Quality Council Notice of Intent to Adopt Rules The Wyoming Environmental Quality Council will consider proposed revisions to the Wyoming Department of Environmental Quality, Water Quality Rules, Chapter 1, Wyoming Surface Water Quality Standards, Docket 26-3101, at a hearing to be held on […]
- Public Notice: Categorical Exclusion Determination, Skyline Ranch Improvement and Service District, Phase II – Water Distribution Replacement Project September 9, 2026Wyoming Department of Environmental Quality | view as a webpage Categorical Exclusion Determination, Skyline Ranch Improvement and Service District, Phase II – Water Distribution Replacement Project The Department of Environmental Quality/Water Quality Division (DEQ) has conducted a review of the proposed Phase II - Water Distribution Replacement Project in accordance with EPA and State of […]
- Proposed Discharge of Dredged or Fill Material to the Snake River September 9, 2026Wyoming Department of Environmental Quality | view as a webpage Proposed Discharge of Dredged or Fill Material to the Snake River The Wyoming Department of Environmental Quality (WDEQ) has received a request from Grand Teton National Park for State certification of U.S. Army Corps of Engineers (USACE) Nationwide Permit #14, for the discharge of dredged […]
- Public Notice: Public Meeting, Town of Saratoga, WY, 2025 Sanitary Sewer Collection System Improvements Project, CWSRF Project CW215 September 3, 2026Wyoming Department of Environmental Quality | view as a webpage Notice of Public Meeting, Town of Saratoga, WY, 2025 Sanitary Sewer Collection System Improvements Project, CWSRF Project CW215 NOTICE IS HEREBY GIVEN that the Town of Saratoga will conduct a public hearing on Tuesday, September 22, 2026, at 5:00 p.m. to receive public comment regarding […]
- Wyoming DEQ Encourages Safe Water Recreation on Lake DeSmet Following Bloom Advisory July 24, 2026Wyoming DEQ Encourages Safe Water Recreation on Lake DeSmet Following Bloom Advisory CHEYENNE, WYOMING - The Wyoming Department of Environmental Quality (WDEQ), in collaboration with state partners, wants to reassure residents and visitors that Lake DeSmet remains open for swimming, boating, and other recreation activities. Although a Bloom Advisory was recently issued following confirmation of […]
- Public Notice: PROPOSED DISCHARGE OF DREDGED OR FILL MATERIAL TO THE NORTH PLATTE RIVER July 23, 2026Wyoming Department of Environmental Quality | view as a webpage PROPOSED DISCHARGE OF DREDGED OR FILL MATERIAL TO THE NORTH PLATTE RIVER The Wyoming Department of Environmental Quality (WDEQ) has received a request from Engineering Associates, on behalf of the Town of Saratoga, for State water quality certification of U.S. Army Corps of Engineers (USACE) […]
- PROPOSED DISCHARGE OF DREDGED OR FILL MATERIAL TO LAKE CREEK July 22, 2026Wyoming Department of Environmental Quality | view as a webpage PROPOSED DISCHARGE OF DREDGED OR FILL MATERIAL TO LAKE CREEK The Wyoming Department of Environmental Quality (WDEQ) has received a request from the Biota Research and Consulting Inc. for State certification of U.S. Army Corps of Engineers (USACE) Nationwide Permit #27, for the discharge of […]
- Public Notice: Categorical Exclusion Determination, City of Cheyenne Board of Public Utilities (BOPU), Lead Service Line Investigation & Replacement Project July 8, 2026Wyoming Department of Environmental Quality | view as a webpage Categorical Exclusion Determination, City of Cheyenne Board of Public Utilities (BOPU), Lead Service Line Investigation & Replacement Project The Department of Environmental Quality/Water Quality Division (DEQ) has conducted a review of the proposed Lead Service Line Investigation & Replacement project in accordance with EPA and […]
- Public Notice: Draft 2026 Review, Water Quality Standards for Salinity, Colorado River System June 15, 2026Wyoming Department of Environmental Quality | view as a webpage Public Notice: Draft 2026 Review, Water Quality Standards for Salinity, Colorado River System The Wyoming Department of Environmental Quality – Water Quality Division (WDEQ-WQD) is accepting public comments on the Draft 2026 Review, Water Quality Standards for Salinity, Colorado River System. In compliance with the […]
- Wyoming DEQ Releases Water Quality Findings from Bear and Snake River Basins June 3, 2026Wyoming DEQ Releases Water Quality Findings from Bear and Snake River Basins CHEYENNE, WYOMING – The Wyoming Department of Environmental Quality’s Water Quality Division (WDEQ/WQD) released results from its 2021 probabilistic water quality survey of the Snake and Bear River Basins, revealing that 73% of assessed perennial streams are in "least-disturbed" biological condition. The report […]
- DEQ’s Lander Surface Water Monitoring Team Named 2025 Team of the Year June 1, 2026DEQ’s Lander Surface Water Monitoring Team Named 2025 Team of the Year CHEYENNE, WYOMING – The Wyoming Department of Environmental Quality (DEQ) is proud to announce that the Water Quality Division’s (WQD) Lander Surface Water Monitoring Team has been selected as the 2025 Team of the Year for their outstanding contributions to water quality protection, […]
- Public Notice: Upcoming Stakeholder Outreach and Informational Webinar, Water Quality Rules Chapter 2, Permit Regulations for Discharges to Wyoming Surface Waters May 29, 2026Wyoming Department of Environmental Quality | view as a webpage Upcoming Stakeholder Outreach and Informational Webinar, Water Quality Rules Chapter 2, Permit Regulations for Discharges to Wyoming Surface Waters The Wyoming Department of Environmental Quality, Water Quality Division (WDEQ/WQD) is initiating an outreach comment period and informational webinar related to the possible revision of Water […]
- Tri-State Agencies Release Results of Bear River Basin Water Quality Survey May 27, 2026Tri-State Agencies Release Results of Bear River Basin Water Quality Survey CHEYENNE, WYOMING — The Wyoming, Idaho, and Utah Departments of Environmental Quality have announced the results of the 2021 Tri-State Bear Survey (TBS), a water quality assessment of perennial streams and rivers within the Upper and Central Bear River Basin. This collaborative effort leveraged […]
- PROPOSED DISCHARGE OF DREDGED OR FILL MATERIAL TO BURSON SLOUGH May 27, 2026Wyoming Department of Environmental Quality | view as a webpage PROPOSED DISCHARGE OF DREDGED OR FILL MATERIAL TO BURSON SLOUGH The Wyoming Department of Environmental Quality (WDEQ) has received a request from Mountain Town Maintenance, LLC., for State certification of U.S. Army Corps of Engineers (USACE) Nationwide Permit #16, for the discharge of dredged or […]
- Notice to Avoid and Report Possible Harmful Cyanobacteria Blooms (HCBs) in Wyoming Waters May 13, 2026Notice to Avoid and Report Possible Harmful Cyanobacteria Blooms (HCBs) in Wyoming Waters CHEYENNE, WYOMING - With summer upon us and more people heading to Wyoming’s lakes and reservoirs to recreate, the Wyoming Department of Environmental Quality (WDEQ), the Wyoming Department of Health (WDH), and the Wyoming Livestock Board (WLSB), in collaboration with partners, remind […]
- Public Notice: June 30, 2026, Water and Waste Advisory Board Meeting May 7, 2026Wyoming Department of Environmental Quality | view as a webpage Public Notice: June 30, 2026, Water and Waste Advisory Board Meeting The Wyoming Water and Waste Advisory Board (WWAB) will meet on June 30, 2026, at 9:00 a.m. virtually via Zoom and in person at the Herschler Building Conference Room W053, 122 W 25th St, […]
- Public Notice: Recertification of Proposed Discharge of Dredged or Fill Material to the North Platte River May 7, 2026Wyoming Department of Environmental Quality | view as a webpage Public Notice: Recertification of Proposed Discharge of Dredged or Fill Material to the North Platte River The Wyoming Department of Environmental Quality (WDEQ) has received a request from Trihydro on behalf of Gary Sherman for recertification of U.S. Army Corps of Engineers (USACE) Nationwide Permit […]
- Public Notice: Proposed Discharge of Dredged or Fill Material to Cottonwood Creek April 1, 2026Wyoming Department of Environmental Quality | view as a webpage Public Notice: Proposed Discharge of Dredged or Fill Material to Cottonwood Creek The Wyoming Department of Environmental Quality (WDEQ) has received a request from the Nelson Engineering on behalf of the National Park Service for State certification of U.S. Army Corps of Engineers (USACE) Nationwide […]
- Public Notice: 2026 Section 401 Water Quality Certification Information Now Available March 17, 2026Wyoming Department of Environmental Quality | view as a webpage Public Notice: 2026 Section 401 Water Quality Certification Information Now Available The WDEQ-WQD 401 Certification decision for the 2026 USACE Section 404 Nationwide Permits, the updated 401 Water Quality Certification Condition and Decision Matrix, and the updated Individual 401 Water Quality Certification Request Form are […]
- Wyoming DEQ Encourages Residents to “Know Your Well” on March 13th March 13, 2026Wyoming DEQ Encourages Residents to “Know Your Well” on March 13th CHEYENNE, WYOMING – In conjunction with National Groundwater Awareness Week, the Wyoming Department of Environmental Quality (WDEQ) is highlighting Friday, March 13, 2026, as “Know Your Well Day.” This initiative aims to educate the thousands of Wyoming residents who rely on private wells for […]