Mill Iron Cross is a privately owned earth dam located in Campbell County, Wyoming, along Dutch Creek. Completed in 1962, it serves multiple purposes including fire protection, stock watering, and small fish pond management. The dam stands at 25 feet high with a hydraulic height of 20 feet and a length of 510 feet, providing a storage capacity of 54 acre-feet and covering a surface area of 5 acres.

Despite its low hazard potential and fair condition assessment, Mill Iron Cross undergoes regular inspections every five years to ensure its structural integrity and safety. The dam features an uncontrolled spillway with a width of 220 feet and no outlet gates. The surrounding area is at moderate risk, as indicated by a risk assessment rating of 3, although specific risk management measures and guidelines are not detailed in the available data.

Water resource and climate enthusiasts may find interest in Mill Iron Cross for its role in managing water resources for various purposes while being subject to state regulation and inspection. Its location within a picturesque landscape and its historical significance as a key infrastructure element in the region add to its appeal for those interested in sustainable water management practices and the impact of climate change on dam safety and resilience.