Located in the heart of Shelby, Iowa, the Mill Picayune Watershed Site M-24-15 is a vital water resource managed by local government authorities. Designed by USDA NRCS, this site plays a crucial role in fire protection, stock, and small fish pond management, as well as flood risk reduction. With a dam height of 31 feet and a storage capacity of 34 acre-feet, this earth dam completed in 1963 serves as a key component in water management and conservation efforts in the region.

The Mill Picayune Watershed Site M-24-15 is regulated by the Iowa Department of Natural Resources, ensuring proper inspection, enforcement, and permitting procedures are in place to safeguard the surrounding environment. With a low hazard potential and a moderate risk assessment rating, this site presents a balanced approach to water resource management. While the specific condition assessment is not rated, the site remains a critical asset for maintaining water quality and availability in the Shelby area.

As part of the Rock Island District, the Mill Picayune Watershed Site M-24-15 offers a glimpse into the strategic collaboration between federal and local agencies in managing water resources. With a focus on sustainability and conservation, this site exemplifies the importance of effective dam infrastructure for maintaining ecological balance and ensuring water security in the face of changing climate patterns.