Koester Dam in Thayer, Nebraska, is a privately owned earth dam designed by USDA NRCS with a height of 17 feet and completed in 1966. The dam serves multiple purposes including flood risk reduction and has a storage capacity of 62 acre-feet. Situated on TR-SPRING CREEK, the dam plays a crucial role in regulating water flow and mitigating potential flooding in the area. With a low hazard potential and satisfactory condition assessment, Koester Dam is a vital infrastructure for water resource management in the region.

Managed by the Nebraska Department of Natural Resources, Koester Dam is subject to state regulations and inspections to ensure its safety and functionality. The dam's location in Deshler, Nebraska, makes it a key component of the local water infrastructure, providing storage for irrigation, wildlife habitat, and recreational activities. Despite its modest size, Koester Dam plays a significant role in supporting the agricultural and environmental needs of the surrounding area.

With a drainage area of 0.3 square miles and a maximum discharge of 90 cubic feet per second, Koester Dam is a crucial asset for water resource management in Thayer County. Its strategic design and construction by the Natural Resources Conservation Service highlight the importance of sustainable water infrastructure in mitigating climate-related risks and ensuring water security for the community. As a well-maintained and regulated structure, Koester Dam stands as a testament to effective water resource management in the face of changing climate patterns.