The Mill Picayune Watershed Site M-16-2 in Iowa is a crucial earth dam constructed in 1972 for fire protection, stock, and small fish pond purposes. Managed by the local government and designed by the USDA NRCS, this dam plays a vital role in flood risk reduction for the area. With a storage capacity of 134 acre-feet and covering a drainage area of 0.45 square miles, this structure stands at a height of 36 feet and spans a length of 540 feet, providing essential water resource management for the region.

Situated on TR-Mill Creek in Crawford County, Iowa, this low hazard potential dam is regulated and permitted by the Iowa DNR. Despite being uncontrolled, the spillway type is designed to manage any excess water effectively. The risk assessment for this dam is moderate, indicating the need for ongoing monitoring and management measures. Overall, the Mill Picayune Watershed Site M-16-2 serves as a critical element in the water resource infrastructure of the area, highlighting the importance of sustainable water management practices in the face of changing climate conditions.