Koch Dam 1, located in Eustis, Nebraska, was completed in 1966 by the USDA NRCS and stands as a vital structure for flood risk reduction and other purposes in the area. This private dam is regulated by the Nebraska Department of Natural Resources and undergoes regular inspections to ensure its safety and effectiveness. With a height of 20 feet and a length of 287 feet, Koch Dam 1 provides a storage capacity of 56 acre-feet and serves a drainage area of 0.5 square miles.

Despite its low hazard potential, Koch Dam 1 plays a crucial role in managing water resources in the region, with a maximum discharge capacity of 361 cubic feet per second. The dam's earth and stone construction, along with its soil foundation, contribute to its structural integrity. While its condition assessment is currently not rated, the dam is subject to regular inspections every five years to uphold its safety standards and operational efficiency.

As a key component in the water infrastructure of Frontier County, Nebraska, Koch Dam 1 exemplifies the collaborative efforts between private owners and regulatory agencies to ensure the sustainable management of water resources in the face of changing climate conditions. The dam's location on Plum Creek underscores its importance in mitigating flood risks and supporting the local ecosystem. With ongoing monitoring and maintenance, Koch Dam 1 continues to fulfill its role in safeguarding the community against water-related hazards and contributing to the overall resilience of the region's water systems.