Heston Dam, located in Appanoose, Iowa, is a privately owned earth dam with a primary purpose of fire protection, stock, or small fish pond. Completed in 1999, this dam stands at 26 feet high and stretches 300 feet in length, with a storage capacity of 40 acre-feet. Situated on Tr- Shoal Creek in the State of Missouri, Heston Dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections to ensure its safety and functionality.

With a low hazard potential and a moderate risk assessment rating, Heston Dam plays a crucial role in providing water resources for fire protection and agricultural purposes in the surrounding area. The dam's uncontrolled spillway and soil foundation contribute to its effective water management capabilities, while its location within the Rock Island District enhances its overall impact on water conservation efforts. Despite not being rated for condition assessment, Heston Dam remains a key structure for maintaining water levels and supporting local ecosystems in the region.

As a significant water resource in the region, Heston Dam serves as a testament to the importance of sustainable water management practices in mitigating climate change impacts. With its strategic design by the NRCS and ongoing regulatory oversight by the Iowa DNR, Heston Dam stands as a vital infrastructure for promoting water conservation, agricultural sustainability, and environmental resilience in the face of changing climate patterns. The dam's role in protecting against floods and providing essential water supplies highlights its critical contribution to the overall well-being of the local community and surrounding ecosystems.