Manser Dam, located in Red Rock Reservoir, Iowa, is a private dam built in 1983 by the USDA NRCS for fire protection, stock, and small fish pond purposes. With a height of 37 feet and a length of 450 feet, the dam has a storage capacity of 44 acre-feet and covers a surface area of 2.6 acres. It is regulated by the Iowa Department of Natural Resources and has a low hazard potential, with a moderate risk assessment rating of 3.

Managed by private owners, Manser Dam is situated on the TR-Wolf Creek and serves as a crucial water resource in Warren County, Iowa. While the dam has not undergone a formal condition assessment, it is regularly inspected and meets state regulatory standards for operation and maintenance. Although it lacks certain emergency preparedness measures like an Emergency Action Plan (EAP), the dam's risk management measures are currently unspecified.

With its earth structure and soil foundation, Manser Dam plays a vital role in water management and conservation efforts in the region. Its presence ensures fire protection, livestock water supply, and recreational fishing opportunities while also contributing to the overall environmental sustainability of the area.