Located in Crawford County, Iowa, the Mill Picayune Watershed Site M-29-2 is a significant earth dam completed in 1967 by the USDA NRCS for fire protection, stock, and small fish pond purposes. With a dam height of 47 feet and a length of 450 feet, this structure holds a storage capacity of 78 acre-feet and serves a drainage area of 0.36 square miles along TR-Mill Creek. Managed by the Iowa DNR and deemed to have low hazard potential, this dam plays a crucial role in flood risk reduction within the region.

Despite being designated as "Not Rated" in terms of its condition assessment, the Mill Picayune Watershed Site M-29-2 is considered to have a moderate risk level. While it lacks certain emergency preparedness features such as an Emergency Action Plan and inundation maps, its overall risk management measures remain undisclosed. With its primary purpose centered on water resource management, this dam site stands as a testament to the collaborative efforts between local government agencies and the USDA NRCS in safeguarding the environmental and hydrological welfare of the area. For water resource and climate enthusiasts, this site offers a glimpse into the intricate balance between human development and natural resource preservation.