Triplett Dam, located in Berwick, Iowa, along TR-Four Mile Creek, is a privately owned earth dam with a primary purpose of fire protection, stock, or small fish pond. Constructed in 1969 by the USDA NRCS, the dam stands at a height of 30 feet and has a length of 504 feet, providing a storage capacity of 33 acre-feet. With a low hazard potential and a moderate risk assessment rating, the dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections, permitting, and enforcement to ensure its safety and integrity.

The dam's location in Polk County, Iowa, adds to its significance as a vital water resource infrastructure in the region. Though its spillway type is uncontrolled, the dam's moderate risk assessment indicates a need for ongoing risk management measures. With a drainage area of 0.12 square miles and a surface area of 2.9 acres, Triplett Dam plays a crucial role in water management for fire protection and stock farming, highlighting the intersection of water resource management and climate resilience in the area.

Triplett Dam's history and design reflect the importance of sustainable water management practices for both agricultural and environmental purposes. As a part of the larger system of dams and reservoirs in the Rock Island District, the dam contributes to water storage and flood control efforts in the region. Climate enthusiasts and water resource professionals can appreciate the dam's role in balancing water needs for various purposes while mitigating potential risks and ensuring the safety of surrounding communities and ecosystems.