Pitch Wastewater Treatment, also known as Homestake Mine Wastewater Treatment, is a privately owned facility located in Sargent, Colorado. This treatment plant is regulated by the Colorado Department of Water Resources and is responsible for treating wastewater from the Homestake Mine to ensure it meets state regulations before being discharged into Tomichi Creek. The primary purpose of this Earth-type dam is for water supply, with a height of 70 feet and a storage capacity of 115 acre-feet.

Constructed in 1980, Pitch Wastewater Treatment plays a crucial role in maintaining water quality in the area. The dam has a low hazard potential and is in satisfactory condition, with regular inspections conducted every six years to ensure its continued safety and functionality. Despite its simple spillway design and uncontrolled outlet gates, the facility effectively manages the discharge of up to 1617 cubic feet per second without the need for locks.

As a key component of water resource management in the region, Pitch Wastewater Treatment serves as a vital link in the chain of water supply infrastructure. With its strategic location in Saguache County, Colorado, and its ability to treat and release mine wastewater responsibly, this facility showcases the importance of sustainable water treatment practices in mitigating environmental impacts and safeguarding water resources for future generations.