Wallman Dairy Lagoon Dam, located in ODELL, Nebraska, is a privately owned structure regulated by the Nebraska Department of Natural Resources. Completed in 1999, this earth dam stands at a height of 23 feet and stretches 3035 feet in length, with a storage capacity of 239 acre-feet. The dam's primary purpose is listed as "Other," serving as a critical resource for water management in the area.

Situated along the TR-BIG INDIAN CREEK, Wallman Dairy Lagoon Dam has a low hazard potential and a satisfactory condition assessment as of the last inspection in 2018. With a drainage area of 0 and a surface area of 11 acres, this dam plays a crucial role in regulating water flow in the region. Despite its low risk profile, the dam is subject to regular inspections and enforcement by state regulatory agencies to ensure its continued safety and functionality for the surrounding community.

As an essential component of the local water infrastructure, Wallman Dairy Lagoon Dam serves as a key resource for water resource and climate enthusiasts. Its strategic location and design make it a vital asset for managing water resources in Jefferson County, Nebraska. The dam's low hazard potential, satisfactory condition, and efficient operation highlight its importance in safeguarding the surrounding environment and supporting sustainable water management practices in the region.