Located in Crawford County, Iowa, the Mill Picayune Watershed Site M-29-1 is a vital water resource managed by the local government for fire protection, stock, and small fish pond purposes. Constructed in 1993 by the USDA NRCS, this earth dam stands at a height of 34 feet with a length of 670 feet, providing a storage capacity of 43 acre-feet. Situated on TR-Mill Creek, this site plays a crucial role in flood risk reduction for the surrounding area, with a surface area of 2.6 acres and a drainage area of 0.15 square miles.

Despite being rated as having a low hazard potential and not yet assessed for condition, the Mill Picayune Watershed Site M-29-1 poses a moderate risk, according to the available data. Managed by the Iowa DNR, this site is regulated, permitted, inspected, and enforced to ensure its safety and functionality. With a spillway type of uncontrolled and no outlet gates or locks, this earth dam serves as a key infrastructure for water management in the region.

Water resource and climate enthusiasts will appreciate the significance of the Mill Picayune Watershed Site M-29-1 in maintaining water supply, protecting against floods, and supporting local ecosystems. As part of the Rock Island District, this site exemplifies the collaborative effort between federal and local agencies in managing and regulating water resources for multiple purposes. With its strategic location and design, this watershed site embodies sustainable water management practices and highlights the importance of dam infrastructure in mitigating water-related risks and ensuring community resilience.