Holesinger Dam, located in Clinton, Iowa, was completed in 2004 and serves multiple purposes, including fire protection and providing a small fish pond. The dam, designed by Landmark Engineering Group, is privately owned and regulated by the Iowa Department of Natural Resources. With a height of 25 feet and a length of 665 feet, the dam has a storage capacity of 94 acre-feet and a surface area of 12 acres.

The dam, constructed with earth and soil foundations, has an uncontrolled spillway with a width of 2 feet. It is rated as having low hazard potential and moderate risk. While the condition assessment is currently not rated, regular inspections, enforcement, and permitting by the state ensure its safety and functionality. Holesinger Dam is a valuable resource for the community, providing essential services while also contributing to water conservation and management efforts in the region.

Water resource and climate enthusiasts will appreciate the role of Holesinger Dam in maintaining water levels and supporting local ecosystems along the TR-Mill Creek. Its strategic location and design make it a key asset for fire protection and stock purposes. With its low hazard potential and moderate risk rating, the dam stands as a reliable structure that reflects responsible management and regulation by the Iowa DNR. Its completion in 2004 marked a significant milestone in enhancing water infrastructure in Clinton, Iowa, and highlights the importance of sustainable water resource management in the region.