Muhlbauer Dam, located in Denison, Iowa, was completed in 2001 and serves multiple purposes including fire protection, stock, and small fish pond. This private dam, designed by NRCS, has a height of 27 feet and a length of 325 feet, providing a storage capacity of 57 acre-feet. Situated on TR- Hay Creek, the dam's primary owner is a private entity, with regulatory oversight from the Iowa DNR.

With a low hazard potential and a moderate risk assessment rating, Muhlbauer Dam plays a crucial role in water resource management in Crawford County, Iowa. The dam's uncontrolled spillway and soil foundation highlight its earth dam type construction. Despite its condition assessment being "Not Rated", the dam's overall risk management measures are deemed sufficient to ensure public safety and environmental protection.

Muhlbauer Dam's strategic location, efficient design, and operational compliance with state regulations make it a valuable asset for water supply and climate resilience in the region. As a key structure in the Rock Island District, the dam contributes to flood control, irrigation, and wildlife habitat enhancement along Hay Creek, reflecting the importance of sustainable water resource management in a changing climate.