West Fork One Subwatershed Site 2-10110 in Woodbury County, Iowa, is a crucial water resource managed by the local government for fire protection, stocking, and small fish pond purposes. Constructed in 1955 by the USDA NRCS, this earth dam stands at a height of 29 feet and has a storage capacity of 51 acre-feet, serving a drainage area of 0.26 square miles. Located in Rolly Springs along the TR-West Fork Little Sioux River, this dam plays a vital role in flood risk reduction for the surrounding area.

Despite its low hazard potential, the condition of West Fork One Subwatershed Site 2-10110 has not been rated, and there is no recent inspection data available. However, the risk assessment for this dam is moderate, indicating the need for continued monitoring and potentially implementing risk management measures in the future. With the Iowa DNR as the regulatory agency and state permitting and inspection in place, this site remains under state jurisdiction and oversight to ensure its safety and functionality for the community and the environment.