Sloppy Dam, located in Marshall County, Iowa, is a privately owned earth dam completed in 1999 for fire protection, stock, and small fish pond purposes. The dam stands at a height of 28 feet and spans 404 feet in length, with a storage capacity of 64 acre-feet. The dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspection, enforcement, and permitting to ensure its safe operation.

Despite its low hazard potential, Sloppy Dam is considered to have a moderate risk level and is not currently rated for its condition. The dam features an uncontrolled spillway type and has a surface area of 4.8 acres, serving the Timber Creek tributary. The dam is situated within a drainage area of 0.17 square miles and is designed with soil foundations. While there are no associated locks or outlet gates, the dam remains an essential resource for water conservation and management in the region.

As water resource and climate enthusiasts, monitoring the condition and maintenance of Sloppy Dam is crucial for ensuring its continued effectiveness in providing fire protection and supporting local wildlife. With its moderate risk level and regulatory oversight by the Iowa DNR, efforts to assess and address any potential hazards or concerns surrounding the dam are essential to safeguarding the surrounding community and ecosystem.