Located in Mills County, Iowa, the Waubonsie Creek Watershed Sites M-5 is a vital water resource managed by the local government with assistance from the USDA NRCS. This earth dam, completed in 1999, serves multiple purposes including fire protection, stock, small fish pond, flood risk reduction, and more. With a dam height of 30 feet and a drainage area of 3.44 square miles, this structure provides a storage capacity of 443 acre-feet for the surrounding area.

The Waubonsie Creek Watershed Sites M-5 is regulated by the Iowa Department of Natural Resources and undergoes regular inspections to ensure its structural integrity and functionality. With a low hazard potential and a moderate risk assessment, this dam plays a crucial role in managing water resources and mitigating potential risks in the region. Despite not having a condition rating, the dam continues to serve its purpose effectively and contributes to the overall water management efforts in the area.

As part of the Omaha District, this watershed site is an essential component of the local ecosystem and contributes to the sustainable use of water resources in the region. With its strategic location along the Waubonsie Creek, this structure not only provides water storage but also supports various environmental and recreational activities in the community. As climate change continues to impact water resources, the management and maintenance of structures like the Waubonsie Creek Watershed Sites M-5 are essential for ensuring water security and resilience in the face of evolving climate challenges.