Grummert Dam, located in Nuckolls, Nebraska, is a privately owned earth dam constructed in 1966 for fire protection, stock, and small fish pond purposes. The dam stands at a height of 16 feet with a structural height of 19 feet, and a length of 710 feet, providing a storage capacity of 69 acre-feet. This dam plays a crucial role in managing water resources in the area, with a normal storage capacity of 24 acre-feet and a low hazard potential.

Managed by the Nebraska Department of Natural Resources, Grummert Dam is subject to state regulations, inspections, and enforcement to ensure its structural integrity and safety. The dam is primarily designed by the USDA NRCS and falls under the jurisdiction of the state regulatory agency. With a fair condition assessment as of 2016, Grummert Dam is regularly inspected every 5 years to assess its overall functionality and potential risks. The dam also serves as a key point of contact for fire protection, stock management, and recreational fishing activities in the region.

With a focus on fire protection and water storage for livestock, Grummert Dam stands as an essential infrastructure in the Superior area. Its location on the TR-Blakely Creek and its affiliation with the Natural Resources Conservation Service highlight its importance in water resource management in Nebraska. As a low-hazard dam, Grummert Dam continues to play a vital role in maintaining water supply and supporting various activities in the surrounding community.