Located in the heart of Shelby County, Iowa, the Mill Picayune Watershed Site M-24-6 is a vital resource managed by the local government for fire protection, stock, and small fish pond purposes. Built in 1963 by the USDA NRCS, this earth dam stands at a height of 38 feet and spans a length of 483 feet, with a storage capacity of 58 acre-feet. The dam plays a crucial role in flood risk reduction for the surrounding area, with a drainage area of 0.22 square miles and a normal storage capacity of 20 acre-feet.

With a low hazard potential and a moderate risk assessment rating, the Mill Picayune Watershed Site M-24-6 is regulated by the Iowa DNR and undergoes state permitting, inspection, and enforcement to ensure its structural integrity and safety. Situated along the TR-Mill Creek, this watershed site serves as a key component in the local water resource management system, contributing to the overall resilience of the region against potential flooding events. As a designated critical infrastructure, the dam's maintenance and operation are crucial for safeguarding the community and environment it serves.

In collaboration with the Natural Resources Conservation Service, the Mill Picayune Watershed Site M-24-6 stands as a testament to effective water resource management and climate adaptation strategies in Iowa. As a focal point for fire protection, livestock watering, and recreational fishing activities, this earth dam embodies the harmonious balance between human needs and environmental sustainability. With a commitment to ongoing risk assessment and management measures, this watershed site serves as a model for resilient infrastructure development in the face of changing climate dynamics and water resource challenges.