Located in Decatur, Iowa, the Charles Cannon structure is a privately owned dam designed by the USDA NRCS for purposes of fire protection, stock, and small fish pond maintenance. Completed in 1980, this earth dam stands at a height of 18 feet and stretches 375 feet in length. With a storage capacity of 54 acre-feet and a drainage area of 0.35 square miles, the dam serves as a critical resource for the surrounding area.

Situated along Tr- Shane Creek in the Rock Island District, the Charles Cannon structure boasts a spillway width of 12 feet and a low hazard potential. Despite a moderate risk assessment score, the condition assessment is currently listed as "Not Available." With uncontrolled outlet gates and a surface area of 3 acres, the dam remains a valuable asset for both water resource management and climate resilience in the region.

Owned by a private entity, Charles Cannon's primary purpose is to provide essential services for the local community while maintaining a sustainable environment. The dam's strategic location and design by the USDA NRCS underscore its importance for fire protection, stock maintenance, and water management initiatives. As water resource and climate enthusiasts, the Charles Cannon structure serves as a beacon of innovation and stewardship in safeguarding the surrounding ecosystem.