Blockton Watershed Site S-10, located in Blockton, Iowa, is a crucial water resource managed by the local government and regulated by the Iowa Department of Natural Resources. This site, designed by the USDA NRCS, serves multiple purposes including fire protection, stock, small fish pond, and flood risk reduction. The earth dam, completed in 1966, stands at a height of 25 feet and has a length of 612 feet, providing a storage capacity of 249 acre-feet and a surface area of 13.7 acres.

With a low hazard potential and a moderate risk assessment rating, Blockton Watershed Site S-10 plays a significant role in water management and conservation efforts in the area. The dam, constructed with a soil foundation, is primarily used for fire protection and ensuring adequate water supply for various purposes. Despite its age, the dam's condition assessment is not rated, emphasizing the need for regular inspections and maintenance to ensure its long-term effectiveness and safety.

Located in Taylor County, Iowa, along the TR-Platte River, Blockton Watershed Site S-10 is a vital component of the local water infrastructure, contributing to flood risk reduction and water storage in the region. With a controlled spillway and no outlet gates, the dam's design reflects a balance between functionality and safety. As climate change continues to impact water resources, the management of sites like S-10 becomes even more critical for ensuring water security and resilience in the face of changing environmental conditions.