DEQ's Mission

To protect, conserve and enhance the quality of Wyoming’s environment
for the benefit of current and future generations.

 
January 14, 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), in collaboration with the Shoshone National Forest (SNF), completed an evaluation of Lonesome Lake and Big Sandy Lake, indicating that Escherichia coli (E. coli) samples collected in the summer of 2025 attained state water quality standards for recreational uses. WDEQ and SNF initiated […]
December 4, 2025

Wyoming DEQ adds mobile air quality monitor to Rawlins

Statewide, Wyo – The Wyoming Department of Environmental Quality (DEQ), Air Quality Division (AQD) has begun operating a mobile ambient monitoring station in Rawlins, Wyoming. To introduce the station and engage with the community, AQD will host an open house on December 16, 2025, from 10:00 AM to 1:00 PM, off the footpath behind the […]
October 3, 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 ecologists and land stewardship professionals to volunteer as mentors for its 2025 Native Plants Project Annual Sagebrush Planting Event. This three-day experiential learning opportunity is being held at the WDEQ-Abandoned Mine Land (AML) Day Loma Reclamation Project near Jeffrey City, Wyoming. […]
September 23, 2025

Wyoming DEQ adds mobile air quality monitor to Wright

Statewide, Wyo – The Wyoming Department of Environmental Quality (DEQ), Air Quality Division (AQD), has launched operations of a mobile ambient air monitoring station in Wright, WY. To introduce the station and engage with the community, AQD will host an open house on October 1, 2025, from 11:00 AM to 1:00 PM, at the south […]


Media Inquiries:

Jillian Scott
Public Information Officer
307-777-7753