Sponsler Dam, located in Clarke County, Iowa, was constructed in 2008 by the NRCS with a primary purpose of fire protection, stock, or small fish pond. This earth dam stands at a height of 22 feet and spans a length of 454 feet, creating a storage capacity of 91 acre-feet. Situated on TR-Brush Creek, the dam serves as a vital resource for water management in the region, with a surface area of 5.5 acres and a drainage area of 0.29 square miles.

Managed by a private owner, Sponsler Dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections to ensure its safety and functionality. The dam has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. Despite its moderate risk level, the dam plays a crucial role in water resource management, particularly for fire protection and supporting local wildlife. With its strategic location and design, Sponsler Dam continues to contribute to the overall resilience of the water infrastructure in the area.

As an essential component of the water supply system in Chariton, Iowa, Sponsler Dam is a key feature in the network of dams and reservoirs managed by the private owner. With its controlled spillway and earth structure, the dam provides a reliable source of water for various purposes, including firefighting and maintaining aquatic habitats. While the dam poses a moderate risk, its role in water management and conservation underscores the importance of sustainable infrastructure development in the face of changing climate conditions.