Pony Creek Watershed Site 10, located in Mills County, Iowa, is a vital water resource managed by the local government with oversight from the Iowa Department of Natural Resources. This site serves multiple purposes including fire protection, stock watering, and small fish pond habitat, as well as flood risk reduction. The dam, completed in 1966, is an earth structure standing at 60 feet high and 550 feet long, with a storage capacity of 700 acre-feet and a drainage area of 10.42 square miles.

Despite its low hazard potential and satisfactory condition assessment, Pony Creek Watershed Site 10 undergoes regular inspections every five years to ensure its continued safety and functionality. The spillway, classified as uncontrolled with a width of 16 feet, helps manage potential overflow during high water events. With a moderate risk rating, this site plays a crucial role in water management and conservation efforts in the region. Overall, Pony Creek Watershed Site 10 exemplifies the importance of strategic dam infrastructure for sustainable water resource management in the face of changing climatic conditions.