Norman Leach Dam, located in Polk, Nebraska, is a privately owned structure designed by the USDA NRCS and regulated by the Nebraska Department of Natural Resources. Completed in 1971, this earth dam stands at a height of 15 feet and serves multiple purposes including flood risk reduction. With a storage capacity of 180 acre-feet, the dam covers a surface area of 7 acres and has a drainage area of 1.9 square miles. Its low hazard potential and fair condition assessment make it a crucial asset for water resource management in the region.

Despite its relatively small size, Norman Leach Dam plays a vital role in protecting the surrounding area from potential flooding events. The dam's structure, primarily made of stone and soil, has a hydraulic height of 14 feet and a structural height of 17 feet. It is equipped with emergency measures and inspections are conducted regularly to ensure its safety and efficiency. The dam is situated along TR-DAVIS CREEK and is under the jurisdiction of the Omaha District, with oversight from the Nebraska DNR and other state regulatory agencies.

With its strategic location and effective design, Norman Leach Dam continues to be a key infrastructure for flood control and water management in Nebraska. Its importance is underscored by its association with the Natural Resources Conservation Service and the state's permitting, inspection, and enforcement processes. As climate change impacts water resources, the role of dams like Norman Leach becomes increasingly significant in safeguarding communities and ecosystems from the adverse effects of extreme weather events.