Peterson Dam, located in Monroe County, Iowa, is a privately owned earth dam built in 1965 by the USDA NRCS to serve multiple purposes including fire protection and as a stock or small fish pond. With a height of 30 feet and a length of 311 feet, the dam boasts a storage capacity of 46 acre-feet and covers a surface area of 3.8 acres. The dam is regulated by the Iowa DNR and undergoes regular inspections, with a low hazard potential and a moderate risk assessment rating.

Situated on the TR-South Soap Creek, Peterson Dam is designed with an uncontrolled spillway and constructed on a soil foundation. The dam is classified as having a low hazard potential, indicating minimal risk to downstream areas in the event of failure. While its condition assessment is currently labeled as "Not Rated," the dam is subject to state regulation, permitting, inspections, and enforcement to ensure its safety and compliance with guidelines.

Overall, Peterson Dam stands as a key water resource infrastructure in Iowa, providing essential services for fire protection and wildlife habitat. With its modest storage capacity and moderate risk assessment, the dam serves as a vital component in managing water resources and supporting the local ecosystem in Monroe County.