Mc Knight Dam, located in Red Rock Reservoir, Iowa, is a privately owned structure designed by USDA NRCS for fire protection, stock, and small fish pond purposes. Completed in 1965, this earth dam stands at 18 feet tall and stretches 560 feet in length, with a storage capacity of 76 acre-feet. Situated on Otter Creek, the dam serves as a vital resource for water management in the region, with a low hazard potential and a moderate risk assessment rating.

Managed by the Iowa DNR and regulated by state authorities, Mc Knight Dam is subject to regular inspections and enforcement measures to ensure its structural integrity and compliance with safety standards. Despite its uncontrolled spillway type, the dam's risk level is considered manageable, with no previous condition assessment data available. With a surface area of 6 acres and a drainage area of 0.3 square miles, the dam plays a crucial role in water conservation and flood control efforts in the area.

While lacking detailed information on emergency action plans and inundation maps, Mc Knight Dam remains a key feature in the local water resource infrastructure. With its historic significance and ongoing operational importance, this earth dam stands as a testament to the collaboration between private owners, federal agencies, and state regulators in safeguarding water resources and mitigating climate-related risks in the region.