Vanatta Dam, located in Fremont County, Iowa, serves multiple purposes including fire protection, stock maintenance, and as a small fish pond. Constructed in 2003 by the NRCS, this private dam stands at a height of 38 feet and spans 145 feet in length. With a storage capacity of 60 acre-feet and a surface area of 2.9 acres, the dam regulates flow from Possum Creek and is regulated by the Iowa Department of Natural Resources.

Despite its low hazard potential, Vanatta Dam is considered to have a moderate risk level, with a risk assessment rating of 3. While the dam's condition is currently listed as "Not Rated," regular state inspections and enforcement ensure its continued safety and functionality. The dam features an uncontrolled spillway and is designed with a soil foundation, showcasing a commitment to sustainable water resource management in the area.

Vanatta Dam's strategic location in the Missouri River watershed highlights its importance in maintaining water quality, regulating flow, and supporting local wildlife. As a key component of the region's water infrastructure, the dam serves as a testament to the collaborative efforts between private owners, state agencies, and federal partners in managing and protecting vital water resources in Iowa.