Located in Decatur County, Iowa, the East Fork Big Cr Watershed Site E-17 is a crucial water resource managed by the local government with oversight from the Iowa Department of Natural Resources. Designed by the USDA NRCS and completed in 1995, this earth dam serves multiple purposes including fire protection, stock, small fish pond, and flood risk reduction. With a height of 23 feet and a storage capacity of 166 acre-feet, this dam covers a surface area of 9.4 acres and drains a 0.58 square mile watershed.

Despite its low hazard potential, the East Fork Big Cr Watershed Site E-17 is not currently rated for its condition. The dam features an uncontrolled spillway and has not undergone any modifications since its completion. While the risk assessment categorizes it as moderate, there are no specific risk management measures identified for this site. Overall, this dam plays a vital role in water resource management and serves as an important asset for the local community in mitigating flood risks and providing essential water storage for various purposes.