Bellar Lagoon Dam, located in Cuming County, Nebraska, is a privately owned structure that serves multiple purposes, including flood control and water storage. Completed in 2005, this earth dam stands at a height of 27 feet and has a storage capacity of 107 acre-feet, with a normal storage level of 92 acre-feet. The dam plays a crucial role in managing water resources in the area, particularly for the Elkhorn River.

Despite its low hazard potential, Bellar Lagoon Dam is subject to state regulations and inspections by the Nebraska Department of Natural Resources to ensure its safety and functionality. The dam's condition was last assessed as satisfactory in May 2018, with an inspection frequency of every five years. It is designed with stone core and soil foundation materials, with a spillway width and other specific details not provided in the data.

Bellar Lagoon Dam not only contributes to the local water management infrastructure but also highlights the importance of private ownership in ensuring water resource sustainability. As climate change continues to impact water availability and flood risks, structures like this play a vital role in mitigating potential disasters and safeguarding communities along the Elkhorn River in Nebraska.