Gray Dam, located on the Iowa River in Tama, Iowa, was completed in 1946 and serves multiple purposes including fire protection and small fish pond. This earth dam has a height of 25 feet and a length of 500 feet, with a storage capacity of 80 acre-feet. The dam is privately owned and regulated by the Iowa Department of Natural Resources, ensuring that it meets state inspection, enforcement, and permitting requirements.

Despite its low hazard potential, Gray Dam is considered to have a moderate risk level, with a risk assessment rating of 3. While the dam's condition is currently not rated, it has not been inspected since August 1979. The dam's spillway is uncontrolled, and it is surrounded by a drainage area of 0.33 square miles. The dam's emergency action plan status, risk management measures, and inundation maps are not specified, highlighting potential areas for improvement in emergency preparedness.

Overall, Gray Dam is a significant water resource infrastructure in Iowa, providing essential services such as fire protection and stock ponds. Its moderate risk level underscores the importance of regular inspections and updating emergency preparedness measures to ensure the safety and resilience of this vital dam in the face of changing climate conditions and potential hazards.