Mc Mullin Dam, located in Iowa's Wapello County near the city of ROME, serves primarily as a fire protection reservoir, stock pond, and small fish pond. Completed in 2002, this earth dam stands at a height of 22 feet and spans a length of 570 feet, with a storage capacity of 66 acre-feet and a surface area of 5.8 acres. Managed by a private owner, the dam is regulated by the Iowa Department of Natural Resources, ensuring that it meets state permitting, inspection, and enforcement requirements.

Situated on TR- BUCKEYE CREEK, Mc Mullin Dam has a low hazard potential and a moderate risk assessment rating. Despite its condition being currently unrated, the dam is designed and maintained by the Natural Resources Conservation Service (NRCS) to meet safety standards. While the dam does not feature any outlet gates or locks, its spillway type is uncontrolled, with a width of 1 foot. With a drainage area of 0.21 square miles, the dam plays a crucial role in water resource management and climate resilience efforts in the region.

Overall, Mc Mullin Dam stands as a vital infrastructure for water storage and management in the area, contributing to fire protection, livestock watering, and aquatic habitat enhancement. As a part of the Rock Island District, the dam's construction, operation, and maintenance are overseen by the private owner, with regulatory support from the Iowa DNR. With its strategic location and design, Mc Mullin Dam exemplifies the importance of sustainable water resource practices for both human and environmental well-being in Iowa.