St. Charles Mesa, located in Pueblo, Colorado, is a vital water supply infrastructure owned and regulated by the state. Completed in 1975, this earth dam stands at 16 feet high and serves the primary purpose of water supply for the area. With a storage capacity of 109 acre-feet and a normal storage level of 91 acre-feet, St. Charles Mesa plays a crucial role in managing water resources in the region.

Despite being classified as having a significant hazard potential, St. Charles Mesa is currently in fair condition as of the last assessment in October 2020. The dam has a hydraulic height of 13 feet and a structural height of 23 feet, with a length of 1970 feet and a surface area of 6 acres. While there are no associated structures, the dam's location on the St. Charles River-OS ensures a reliable water source for the surrounding community.

With state oversight and regular inspections, St. Charles Mesa is well-maintained to meet the water supply needs of Pueblo, Colorado. The risk assessment for this dam is high, emphasizing the importance of continued monitoring and risk management measures. As a crucial part of the water infrastructure in the area, St. Charles Mesa serves as a testament to the importance of sustainable water resource management in the face of changing climate conditions.