Johnson Lake Dam, located in Gosper County, Nebraska, is a vital structure managed by a public utility for hydroelectric and irrigation purposes. The dam, completed in 1941, stands at 47 feet tall and spans 4985 feet in length. With a storage capacity of 59,000 acre-feet and a normal storage level of 54,000 acre-feet, Johnson Lake Dam plays a crucial role in water resource management in the region.

Owned by a public utility and regulated by the Nebraska Department of Natural Resources, Johnson Lake Dam is also overseen by the Federal Energy Regulatory Commission for its operations and inspections. With a high hazard potential and risk assessment rating of 2, the dam is subject to regular inspections and emergency action planning. Despite its age, the dam's condition assessment is not available, highlighting the need for continued monitoring and maintenance to ensure its structural integrity and safety.

In addition to its functional importance, Johnson Lake Dam offers a picturesque setting for water resource and climate enthusiasts to appreciate the intersection of human infrastructure and natural landscapes. The dam's location, near the confluence of the Johnson Creek and the Platte River, provides opportunities for recreation and wildlife habitat, making it a significant landmark in the region's water management and conservation efforts.