Home - Wyoming Department of Environmental Quality %

Call: 1-307-777-7937

Open Hours: Mon - Fri 8:00 am - 5:00 pm

Spill/Complaint: 1-307-777-7501

Main #: 1-307-777-7937

Spill Call: 1-307-777-7501

Sunrise over Theodore Roosevelt National Park, North Dakota

Wyoming Department
of Environmental Quality

Dramatic Sunrise at Devils Tower National Monument – Wyoming

Panoramic view of Grand Tetons national mountain range

An autumn landscape scene in Jackson Hole, Wyoming, including an

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.

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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Water and Waste Advisory Board Meeting: Revisions to Water Quality Rules, Chapter 1, Wyoming Surface Water Quality Standards; and Chapter 2, Permit Regulations for Discharges to Wyoming Surface Waters.

Municipality and County Government Diesel Equipment Replacement Grant

DEQ Divisions

July 17, 2024

DEQ adds mobile air quality monitor to Rock Springs

Uncategorized

Cheyenne, Wyo – The Wyoming Department of Environmental Quality (DEQ), Air Quality Division (AQD) has begun operating a mobile ambient monitoring station in Rock Springs, Wyoming. The AQD will be holding an open house regarding the mobile station on July 29, 2024, 4 p.m.– 6 p.m. at the Western Wyoming Community College Workforce Training Center....

July 15, 2024

DEQ’ State of the Environment Podcast, Episode 3, Just Released

DEQ

Cheyenne – The Wyoming Department of Environmental Quality State has released a new episode of its State of the Environment podcast. The podcast’s episodes cover topics related to the agency and its work to help listeners be more aware of the work the DEQ and its seven Divisions provide for Wyoming. This month features the...

July 11, 2024

U.S. OSMRE Principal Deputy Director Tours Wyoming Mining Sites

Abandoned Mine Lands

By Kimberly Mazza U.S. Office of Surface Mining Reclamation and Enforcement (OSMRE) Principal Deputy Director Sharon Buccino traveled with Wyoming Department of Environmental Quality (DEQ) staff to view the high-quality reclamation being completed at Title V active coal mine and Title IV Abandoned Mine Land (AML) sites in Wyoming. The DEQ Director and...

June 28, 2024

Notice to Avoid and Report Possible Harmful Cyanobacterial Blooms in Wyoming Waters

HCBs

CHEYENNE, Wyo – With summer upon us and more people heading to Wyoming’s lakes and reservoirs to recreate, the Wyoming Department of Environmental Quality (DEQ), Wyoming Department of Health (WDH), Wyoming Livestock Board (WLB), and local, state, and federal partners want to remind the public to avoid and keep animals away from harmful...