Bergen Dam, located in McCool Junction, Nebraska, is a crucial structure managed by the local government for flood risk reduction along the TR-W FK BIG BLUE RIVER. Built in 1979 by the USDA NRCS, this earth dam stands at 26 feet high and spans 1,013 feet in length, providing a storage capacity of 610 acre-feet. With a low hazard potential and satisfactory condition assessment as of November 2016, Bergen Dam plays a vital role in safeguarding the surrounding area from potential flooding events.

Managed by the Nebraska Department of Natural Resources, Bergen Dam is subject to state regulation, permitting, inspection, and enforcement to ensure its safety and efficacy in flood risk mitigation. Its primary purpose is flood risk reduction, with a normal storage capacity of 82 acre-feet and a maximum discharge rate of 36 cubic feet per second. With a drainage area of 2.9 square miles, Bergen Dam serves as a critical infrastructure in the region, maintaining a surface area of 19 acres and a structural height of 29 feet.

The dam's design, construction, and operation are overseen by the Natural Resources Conservation Service, with regular inspections scheduled every five years. Despite its low hazard potential, Bergen Dam remains a key asset in the community's resilience against potential flooding events, showcasing the importance of sustainable water resource management and climate adaptation strategies in the face of changing environmental conditions.