Coleman Dam, situated in Coleman, Texas, along the Jim Ned Creek, is a vital water resource infrastructure designed primarily for irrigation purposes. Built in 1966 by Forrest and Cotton, this earth dam stands at a height of 90 feet, with a hydraulic height of 90 feet and a structural height of 92 feet. The dam's reservoir has a storage capacity of 91,680 acre-feet, with a normal storage level of 38,846 acre-feet, covering a surface area of 1,886 acres and draining a watershed area of 299 square miles.

The dam features an uncontrolled spillway with a width of 1,507 feet and is maintained by the Texas Commission on Environmental Quality (TCEQ) as the state regulatory agency. The dam's condition assessment as of August 2015 was deemed satisfactory, with a moderate risk rating. With a last inspection date in January 2015 and an inspection frequency of 5 years, Coleman Dam continues to play a crucial role in water supply, irrigation, recreation, and serves as a significant infrastructure for the local community in Coleman.

Despite not having associated locks, Coleman Dam is equipped with slide and valve outlet gates for operational purposes. The dam has been constructed to withstand potential hazards, although specific hazard potential information is not available. Overall, Coleman Dam stands as a testament to effective water resource management and serves as a key component in ensuring water availability for agricultural irrigation and recreational activities in the region.