Mc Aninch Dam, located in Carlisle, Iowa, was completed in 1977 by the USDA NRCS and is privately owned. The dam serves multiple purposes, including fire protection, stock, and small fish pond management, as well as recreation. With a height of 38 feet and a length of 500 feet, the dam has a storage capacity of 91 acre-feet and covers a surface area of 6.1 acres. It is regulated by the Iowa Department of Natural Resources and is classified as having a low hazard potential.

Despite being rated as "Not Rated" in terms of condition assessment, Mc Aninch Dam is considered to have a moderate risk level. It has not undergone recent inspections, and information on emergency preparedness, such as the presence of an Emergency Action Plan (EAP), is not available. The dam's spillway type is uncontrolled, and it does not have any outlet gates. The risk assessment for the dam is based on a variety of factors, such as its age, design, and potential impact on downstream areas in the event of failure. For water resource and climate enthusiasts, understanding the management and maintenance of structures like Mc Aninch Dam is crucial for ensuring the safety and sustainability of our water resources.