Wastewater Treatment Plant
3101 S Garner Lake Rd
PO Box 3003
Gillette, WY 82716
Phone (307) 686-5274
Fax (307) 686-7699
Send an E-mail
The Wastewater Division collects and treats the sewage produced by the citizens and businesses of Gillette. The Wastewater Division operates and maintains about 202.8 miles of sewer pipe and 10 lift stations. The wastewater is treated at a conventional activated sludge treatment plant with anaerobic digestion and UV disinfection.
The wastewater treatment plant (WWTP) treats an average of 3.2 MGD (million gallons per day). The reclaimed biosolids are composted and sold to the public as the Class A biosolids product Stonepile Soil Amendments.
Biosolid compost is available for for $10 per cubic yard, and Yard Waste compost is available for $15 per cubic yard.
Please check in advance for availability by calling (307) 686-5274.
Pickup times for Compost: 9:00am - 3:00pm Monday - Friday
10:00am - 3:00pm Saturday and Sunday.
Wastewater Survey [PDF]