Walling Subwatershed Sta 99+70 #1 is a crucial structure located in Woodbury, Iowa, designed by USDA NRCS and completed in 1953. This earth dam, standing at 40 feet tall and stretching 300 feet in length, serves multiple purposes including flood risk reduction. With a storage capacity of 59 acre-feet, this dam plays a significant role in managing the flow of the TR-LITTLE SIOUX RIVER, contributing to the overall resilience of the region against potential water-related disasters.

Owned and regulated by the local government, Walling Subwatershed Sta 99+70 #1 is subject to inspections, permitting, and enforcement by the IOWA DNR, ensuring its structural integrity and compliance with state regulations. The dam has a low hazard potential and a moderate risk assessment rating, highlighting the importance of ongoing risk management measures. While the condition assessment is currently not rated, the structure's emergency action plan and inundation maps are yet to be prepared, indicating areas for future improvement in emergency preparedness.

Overall, Walling Subwatershed Sta 99+70 #1 stands as a vital component in the water resource management infrastructure of the area, providing flood risk reduction and water storage capabilities. With its location in Woodbury, Iowa, and its role in regulating the TR-LITTLE SIOUX RIVER, this earth dam serves as a key asset in the region's climate resilience efforts. Ongoing monitoring, maintenance, and potential enhancements will be essential to ensure the continued effectiveness and safety of this important structure for both water resource and climate enthusiasts alike.