Lost Creek is a private water resource located in Sevier, Utah, with a primary purpose of irrigation. Constructed in 1972 by the USDA NRCS, this earth dam stands at a hydraulic height of 29 feet and a structural height of 34 feet, providing a storage capacity of 925 acre-feet. Managed by the Utah Division of Water Rights, Lost Creek is regulated, inspected, and enforced by state authorities to ensure its safe operation.

With a significant hazard potential, Lost Creek has a regular inspection frequency to monitor its condition and ensure public safety. While the dam's condition assessment is currently not rated, emergency action plans and risk management measures are in place to address any potential threats. Despite being a private facility, Lost Creek plays a crucial role in providing irrigation water to the surrounding area and highlights the importance of proper water resource management in the face of changing climate conditions.