Mustin #1 is a privately owned earth dam located in Fayette, Tennessee, on Shaw's Creek. Built in 1965, the dam has a hydraulic height of 15 feet and a structural height of 18.6 feet, with a length of 1100 feet. It has a storage capacity of 133 acre-feet and covers a surface area of 13.5 acres, serving as a water resource for the surrounding area. The dam is classified as having a low hazard potential and a moderate risk assessment.

Despite not being regulated or permitted by the state, Mustin #1 has a regular inspection schedule, with the last one conducted in May 2020. The dam does not have outlet gates or locks and features an uncontrolled spillway. Although the condition assessment is not rated, the risk management measures for the dam are currently unspecified. With its strategic location and vital role in water management, Mustin #1 is a fascinating site for water resource and climate enthusiasts to explore and study.