Clay No. 1 is a privately owned Earth dam located in Torrington, Wyoming, along the Mule Creek. Built in 1942 for irrigation purposes, this structure stands at 29 feet high with a hydraulic height of 25 feet and a length of 185 feet. The dam has a storage capacity of 94 acre-feet, providing essential water resources for the surrounding area. Despite its age, Clay No. 1 is in fair condition and poses a low hazard potential, with a moderate risk assessment rating.

Maintained by the Wyoming State Engineer's Office, this dam is regularly inspected and meets state regulatory standards for operation and enforcement. With a spillway width of 300 feet and a single valve outlet gate, the structure is designed to handle controlled water discharge efficiently. In case of emergencies, the dam has a designated inspection frequency of 5 years, ensuring that any potential risks are promptly addressed.

Situated within the Congressional District 00 of Wyoming, Clay No. 1 plays a crucial role in providing water for irrigation, fire protection, stock, and small fish ponds in the region. With its stone core and soil foundation, this dam exemplifies a blend of traditional construction methods and modern engineering practices, safeguarding water resources for the community while maintaining a sustainable and environmentally conscious approach to water management.