Regional Offices

The Wyoming Department of Environmental Quality is headquartered in downtown Cheyenne.

Cheyenne - Headquarters
Administration, Air Quality, Abandoned Mine Lands,
Industrial Siting, and Solid and Hazardous Waste
200 West 17th Street 
Cheyenne, Wyoming 82002
Phone: 307-777-7937
Fax: 307-635-1784.
 
Water Quality Division
Physical Address:
Herschler Building 4th Floor West
122 West 25th Street
Cheyenne, WY 82002
 
Mailing Address:
200 West 17th Street
Cheyenne, WY 82002
 

We also have staff working in five field offices located throughout the state:

Casper
152 North Durbin Street, Suite 100
Casper, WY 82601
Fax: 307-473-3458

Casper regional offices include:
Abandoned Mine Lands Division: 307-473-3460
Air Quality Division: 307-473-3455
Solid & Hazardous Waste Division: 307-473-3450
Water Quality Division: 307-473-3465

Lander
510 Meadowview Dr.
Lander, WY 82520
Fax: 307-332-7726

Lander regional offices include:
Abandoned Mine Lands Division: 307-332-5085
Air Quality Division: 307-332-6755
Land Quality Division: 307-332-3047
Solid & Hazardous Waste Division: 307-332-6924
Water Quality Division 307-332-3144

Pinedale
1625 West Pine St.
Pinedale, WY 82941
Fax: 307-367-7912

Pinedale regional offices include:
Air Quality Division: 307-367-5388, 307-367-5313

Rock Springs
2451 Foothills Blvd., Suite 100
Rock Springs, WY 82901
Fax: 307-352-2617

Rock Springs regional offices include:
Abandoned Mine Lands Division: 307-352-2564
Water Quality Division: 307-352-2559

Sheridan
2100 West 5th St.
Sheridan, WY 82801

Sheridan regional offices include:
Abandoned Mine Lands Division: 307-673-9337
Air Quality Division: 307-673-9337
Land Quality Division: 307-673-9337
Water Quality Division: 307-673-9337