Grand River Cattle Dam, located in Decatur County, Iowa, serves as a vital water supply infrastructure for the surrounding area. Completed in 2007, this earth dam stands at a towering height of 41 feet and spans a length of 597 feet, with a storage capacity of 956 acre-feet. The dam is regulated by the Iowa Department of Natural Resources (DNR), ensuring that it meets state standards for safety and environmental protection.

With a primary purpose of water supply, Grand River Cattle Dam plays a crucial role in managing the water resources of the region. The dam's low hazard potential and moderate risk assessment make it a reliable and secure structure for water management. Although not currently rated for condition assessment, the dam's design and construction by Agricultural Engineering Associates demonstrate a commitment to quality and durability in providing water resources for the community.

Situated on TR- West Elk Creek, the Grand River Cattle Dam stands as a testament to the importance of sustainable water resource management in the face of changing climate conditions. As climate enthusiasts and water resource advocates, it is essential to recognize and support the critical role that structures like Grand River Cattle Dam play in ensuring access to clean and reliable water for both present and future generations.