Held Watershed Site A-2, located in Sioux City, Iowa, is a crucial resource managed by the local government for fire protection, stock, or small fish ponds, as well as flood risk reduction. Constructed in 1965 by the USDA NRCS, this earth dam stands at a height of 46 feet and spans a length of 688 feet, providing a storage capacity of 176 acre-feet. The dam serves the TR-Floyd River and covers a drainage area of 1.11 square miles, with a surface area of 8.6 acres.

Despite being classified as having a low hazard potential, Held Watershed Site A-2 is considered to have a moderate risk level, indicating the need for ongoing monitoring and management. The dam does not have a designated emergency action plan or updated inspection frequency, highlighting opportunities for improvement in emergency preparedness and risk mitigation. With its important role in water resource management in Plymouth County, Iowa, Held Watershed Site A-2 serves as a valuable asset for the community and the surrounding environment, warranting continued attention and stewardship to uphold its function effectively.