Wolf Creek Subwatershed Site 5a-1, located in Woodbury County, Iowa, is a crucial water resource managed by the local government for multiple purposes including fire protection, stock, and small fish pond management, as well as flood risk reduction. Constructed in 1971 by the USDA NRCS, this earth dam stands at a height of 40 feet and spans 694 feet in length, providing a storage capacity of 140 acre-feet. The dam covers a surface area of 7.2 acres and serves a drainage area of 0.67 square miles, highlighting its importance in managing water resources in the region.

Managed by the Iowa DNR, Wolf Creek Subwatershed Site 5a-1 is regulated and inspected by state authorities to ensure its safety and functionality. With a low hazard potential and a moderate risk assessment rating, the dam plays a crucial role in mitigating potential risks and protecting the surrounding community from flooding events. Despite being uncontrolled, the spillway type of the dam ensures proper water discharge in case of overflow, further emphasizing its significance in water resource management.

Overall, Wolf Creek Subwatershed Site 5a-1 stands as a vital infrastructure for water resource and climate enthusiasts, showcasing the collaborative efforts between local government and federal agencies in maintaining the dam's integrity and functionality. As a key component in the region's water management system, this site plays a crucial role in safeguarding the community, wildlife, and natural habitats against potential water-related hazards and ensuring sustainable water resource management for future generations.