Mazour Dam, located in Nuckolls, Nebraska, serves multiple purposes including fire protection, stock watering, and small fish pond management. This private dam, completed in 1965 by the USDA NRCS, stands at a height of 19.5 feet and has a storage capacity of 116 acre-feet. With a low hazard potential and fair condition assessment as of March 2020, Mazour Dam is regulated by the Nebraska Department of Natural Resources and undergoes regular inspections to ensure its safety and functionality.

Situated on TR-DRY CREEK, Mazour Dam plays a crucial role in managing water resources in the region, with a drainage area of 1.1 square miles. The dam's normal storage level is 20.9 acre-feet, providing essential water supply for agricultural and environmental needs. The dam's structural height of 22.6 feet and hydraulic height of 18.5 feet demonstrate its robust design and ability to withstand varying hydrological conditions.

Although Mazour Dam does not have an associated spillway, it has a maximum discharge capacity of 338 cubic feet per second to control water flow during heavy rainfall events. The dam's location in a rural area near DEWEESE further emphasizes its importance in mitigating flood risks and ensuring water availability for surrounding communities. With its historical significance dating back to the 1960s and ongoing state regulatory oversight, Mazour Dam continues to be a vital infrastructure for water management and climate resilience in Nebraska.