The rock formations of Vedauwoo in the Medicine Bow National Forest near Laramie.

Wyoming Department
of Environmental Quality

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

Wyoming Department
of Environmental Quality

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

Wyoming Department
of Environmental Quality

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

Dramatic Sunrise at Devils Tower National Monument – Wyoming

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 Public Notices

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On June 15, 2022, the US Environmental Protection Agency (EPA) announced several health advisories for certain Per- and Polyfluoroalkyl Substances (PFAS), including new interim health advisories for Perfluorooctanoic Acid (PFOA) and Perfluorooctane sulfonate (PFOS), as well as final health advisories for GenX and Perfluorobutane sulfonic acid (PFBS).

Frequent Asked Questions
More information on these advisories can be found at Drinking Water Health Advisories (HAs) | US EPA.
To view EPA’s Press Release, click here.

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Wyoming's Air Quality

The Wyoming Air Quality Monitoring Network features live images and current air quality conditions from monitoring stations throughout the state.
Harmful Cyanobacterial Blooms

Harmful cyanobacterial blooms (HCBs) are dense concentrations of cyanobacteria, commonly referred to as blue-green algae, that pose a health risk to people, pets, and livestock.
Class VI Carbon Capture

Class VI Carbon Capture, Utilization & Storage (CCUS) refers to the process in which carbon is captured from industrial processes and either utilized by turning the carbon into a new product or stored by injecting the carbon into a storage site, usually underground in a geologic formation.
Know Your Well

Every March 13th is “Know Your Well Day”, but any day is a good day to learn more about your water well and drinking water supply.

Environmental Self Audit

Wyoming’s audit law provides incentives to regulated entities to self-disclose noncompliance with environmental requirements found through environmental audits.
Operator Certification

Wyoming’s certified operators protect public health by providing safe drinking water. They protect the environment by cleaning up our wastewater before releasing it.
Winter Ozone

In 2005, the Air Quality Division recorded elevated ozone levels in the Upper Green River Basin. We know that the ozone exceedances are related to at least four factors: adequate amounts of precursor chemicals, snow cover, temperature inversions and low winds, and sunlight.
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