Walling Subwatershed Sta 19+11 #1k, located in Woodbury County, Iowa, is a key structure designed by the USDA NRCS for fire protection, stock, and small fish pond purposes. Completed in 1953, this earth dam stands at a height of 28 feet and has a storage capacity of 18 acre-feet. With a surface area of 2.3 acres and serving a drainage area of 0.06 square miles, this dam plays a crucial role in flood risk reduction in the area.

Managed by the local government and regulated by the Iowa DNR, Walling Subwatershed Sta 19+11 #1k has a low hazard potential and moderate risk assessment. Despite being uncontrolled, the spillway type of this structure ensures the safety of the surrounding area. With a condition assessment of "Not Rated" and no recent inspection date available, there is a need for ongoing monitoring and maintenance to ensure its continued effectiveness in water resource management and climate resilience in the region.

As a part of the larger system for water resource management, Walling Subwatershed Sta 19+11 #1k contributes to the overall protection of the TR-Little Sioux River. With its strategic location and purpose, this dam serves as a vital component in the efforts to safeguard against flooding and support the local ecosystem. As climate change impacts continue to pose challenges, the maintenance and upkeep of this structure are essential for the sustainable management of water resources in the area.