West Fork #3 Subwatershed Station 52+20 #9 is a dam located in Woodbury County, Iowa, designed by USDA NRCS and completed in 1961 for purposes including fire protection, stock, small fish pond, and flood risk reduction. The earth dam stands at a height of 35 feet with a length of 368 feet, providing storage of up to 34 acre-feet. Situated along the West Fork Little Sioux River, this structure is regulated by the Iowa Department of Natural Resources and is subject to state permitting, inspection, and enforcement.

With a drainage area of 0.71 square miles, the dam's hazard potential is rated as low, and its condition assessment remains unrated. The risk assessment for this dam is moderate, and it is deemed to have a moderate risk management measure in place. The structure has a spillway type of uncontrolled, with a surface area of 2.5 acres. While the dam has not been modified in recent years, it serves as a crucial asset for water resource management and climate resilience in the area, highlighting the importance of maintaining and monitoring such infrastructure for the community's safety and well-being.