Brown Dam, located in Grand River, Iowa, was completed in 1966 by the USDA NRCS and stands as a vital water resource for the region. This earth dam serves multiple purposes, including fire protection, stock, small fish pond, and recreation. With a height of 28 feet and a length of 512 feet, Brown Dam has a storage capacity of 60 acre-feet and a surface area of 5.6 acres, making it a significant contributor to the local water supply.

Managed by a private owner, Brown Dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections to ensure its structural integrity. Despite being classified as having low hazard potential, the dam is considered to have moderate risk, highlighting the importance of ongoing risk management measures. While its spillway is uncontrolled, the dam plays a crucial role in flood control and water management in the area, with a drainage area of 0.14 square miles.

Overall, Brown Dam stands as a testament to effective water resource management, providing essential services for fire protection, agriculture, and recreation. Its strategic location on TR-Sand Creek makes it a key asset for the community, demonstrating the intersection of water infrastructure and climate resilience in the region. As enthusiasts of water resources and climate, the significance of Brown Dam cannot be understated in its contribution to sustainable water management practices within the state of Iowa.