Upper Big Nemaha G-35 is a vital water resource structure located in Gage County, Nebraska, designed by the USDA NRCS and completed in 1973. This earth dam stands at a height of 21 feet and boasts a storage capacity of 197 acre-feet, serving primarily for flood risk reduction purposes. With a satisfactory condition assessment and low hazard potential, this dam plays a crucial role in managing water flow in the TR-SHAW CREEK watershed.

Managed by the local government and regulated by the Nebraska Department of Natural Resources, Upper Big Nemaha G-35 is subject to state permitting, inspection, and enforcement. With a drainage area of 0.9 square miles and a maximum discharge capacity of 590 cubic feet per second, this structure contributes to the overall water management efforts in the region. Its location in Adams, Nebraska, highlights its importance in safeguarding the surrounding communities from potential flooding events.

Despite its modest size and capacity, Upper Big Nemaha G-35 remains a key component in the water infrastructure of the area, ensuring the protection of residents and property from the impacts of extreme weather events. With its stone core and soil foundation, this dam continues to fulfill its purpose of flood risk reduction and water storage, showcasing the collaborative efforts between local government and federal agencies in managing water resources effectively.