Plum Creek 3-H is a local government-owned earth dam located in Liberty, Nebraska, designed by USDA NRCS and regulated by the NE DNR. Completed in 1968, this dam stands at a height of 29 feet with a structural height of 31 feet and a length of 840 feet. It serves as a flood risk reduction structure on the TR-PLUM CREEK, with a storage capacity of 118 acre-feet and a drainage area of 0.3 square miles.

With a low hazard potential and a satisfactory condition assessment as of April 2020, Plum Creek 3-H plays a crucial role in mitigating flood risks in the area. The dam's primary purpose is flood risk reduction, and it operates under state regulation with inspection and enforcement measures in place. The dam's location in Gage County, Nebraska, makes it a key asset in the area's water resource management and climate resilience efforts.

Maintaining the integrity and functionality of Plum Creek 3-H is essential to protecting the surrounding community from potential flooding events. With a regular inspection frequency and a history of satisfactory performance, this earth dam continues to be a vital component of the local flood control infrastructure. Its design by USDA NRCS and regulation by the NE DNR ensure that it meets state standards for safety and effectiveness in reducing flood risks along the TR-PLUM CREEK in Liberty, Nebraska.