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Call: 1-307-777-7937
Open Hours: Mon - Fri 8:00 am - 5:00 pm
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Spill/Complaint: 1-307-777-7501
Main #: 1-307-777-7937
Spill Call: 1-307-777-7501
Wyoming Department
of Environmental Quality
Wyoming Department of Environmental Quality
Wyoming Department
of Environmental Quality
To protect, conserve and enhance the quality of Wyoming’s environment for the benefit of current and future generations.
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DEQ's
Mission
To protect, conserve and enhance the quality of Wyoming’s environment
for the benefit of current and future generations.
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DEQ Divisions
Abandoned Mine Land
Administration
Air Quality
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Water Quality
Hot Topics
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Operator Certification
Class VI Carbon Capture
17 March 2026
Wyoming DEQ Releases 2025 State of the Environment Report
CHEYENNE, WYOMING – The Wyoming Department of Environmental Quality (DEQ) has published its 2025...
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13 March 2026
Wyoming DEQ Encourages Residents to “Know Your Well” on March 13th
CHEYENNE, WYOMING – In conjunction with National Groundwater Awareness Week, the Wyoming Department...
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09 February 2026
WDEQ Celebrates Professional Water and Wastewater Operators
CHEYENNE, WYOMING – Wyoming Governor Mark Gordon has proclaimed the week of February 9-15, 2026, as Wyoming...
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14 January 2026
Findings from the Lonesome Lake and Big Sandy Lake Fecal Bacteria Evaluation
Statewide, Wyo – The Wyoming Department of Environmental Quality (WDEQ) Water Quality Division (WQD),...
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04 December 2025
Wyoming DEQ adds mobile air quality monitor to Rawlins
Statewide, Wyo – The Wyoming Department of Environmental Quality (DEQ), Air Quality Division (AQD) has...
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03 October 2025
Volunteers Needed for 2025 Native Plants Project Annual Sagebrush Planting Event
STATEWIDE, WYOMING – The Wyoming Department of Environmental Quality (WDEQ) is calling on restoration...
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23 September 2025
Wyoming DEQ adds mobile air quality monitor to Wright
Statewide, Wyo – The Wyoming Department of Environmental Quality (DEQ), Air Quality Division (AQD), has...
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03 September 2025
DEQ recommends private domestic well owners test their wells
The Wyoming Department of Environmental Quality (DEQ), Water Quality Division (WQD), in conjunction with...
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29 August 2025
DEQ appoints new Air Quality Administrator
CHEYENNE – Amber Potts has been selected as the new Wyoming Department of Environmental Quality (DEQ)...
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27 August 2025
DEQ is now accepting grant proposals for emissions reduction projects
Statewide, WY – The Wyoming Department of Environmental Quality (DEQ) is now accepting grant proposals...
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Media Inquiries:
Jillian Scott
Public Information Officer
307-777-7753
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