Peterson Dam, located in Anthon, Woodbury County, Iowa, is a privately owned structure designed by USDA NRCS and completed in 1966. The dam's primary purpose is for fire protection, stock, or a small fish pond, with a height of 30 feet and a length of 494 feet. It has a storage capacity of 64 acre-feet, with a normal storage of 33 acre-feet and a surface area of 5.4 acres. The dam is situated on TR-BIG CREEK and is regulated by the Iowa DNR.

With a low hazard potential and a moderate risk assessment rating, Peterson Dam plays a crucial role in water resource management in the region. It is equipped with an uncontrolled spillway and is inspected, regulated, and permitted by the state authorities. Despite not having a current condition assessment rating, the dam remains a vital asset for the community in terms of water supply, fire protection, and recreational opportunities.

As a focal point for water enthusiasts and climate advocates, Peterson Dam serves as a reminder of the importance of maintaining and managing water resources effectively. Its presence not only supports local agriculture and wildlife but also contributes to the overall resilience of the area's water infrastructure. With ongoing monitoring and attention to risk management measures, Peterson Dam continues to be a valuable asset in ensuring water security and environmental sustainability in the region.