Earl Anderson Dam, located in Dallas County, Iowa, is a privately owned structure designed by NRCS and completed in 1996. This earth dam serves primarily for fire protection, stock, or as a small fish pond. With a height of 30 feet and a length of 450 feet, the dam has a storage capacity of 37 acre-feet and covers a surface area of 3.3 acres. The dam is situated on the TR- Raccoon River and is regulated by the Iowa Department of Natural Resources.

Despite being classified as having low hazard potential and a satisfactory condition assessment, Earl Anderson Dam is subject to moderate risk, with emergency action plans and risk management measures yet to be fully documented. The last inspection of the dam was conducted in 2009, and it is noted to be in compliance with state regulatory requirements. The dam does not have any associated structures or outlet gates, and its spillway type is uncontrolled.

In the realm of water resource and climate management, Earl Anderson Dam stands as a vital asset for fire protection and agriculture in the region. Its modest size and low hazard potential make it a crucial component of the local infrastructure, providing essential services while also highlighting the importance of ongoing risk assessment and emergency preparedness in maintaining the integrity of such structures.