Wrich Dam 1, located in Washington County, Nebraska, is a privately owned earth dam designed by the USDA NRCS in 1960 for flood risk reduction on TR-MILL CREEK. Standing at a height of 53 feet, this structure provides a critical function in safeguarding the surrounding area from potential flooding events. With a storage capacity of 70 acre-feet and a drainage area of 0.4 square miles, Wrich Dam 1 plays a crucial role in managing water resources in the region.

Maintained and regulated by the Nebraska Department of Natural Resources, Wrich Dam 1 has a low hazard potential and is deemed to be in satisfactory condition as of the last inspection in May 2016. The dam features stone core construction on a soil foundation, with a length of 339 feet and a maximum discharge capacity of 1014 cubic feet per second. Despite its modest surface area of 3 acres, the dam serves as an important asset in mitigating flood risks and protecting the downstream community of OMAHA from potential water-related disasters.

As a key component of the flood risk reduction strategy in the area, Wrich Dam 1 not only helps manage water flow and storage but also contributes to the overall resilience of the local ecosystem. With its strategic location and design, this earth dam stands as a testament to the collaborative efforts between private owners and government agencies in ensuring the safety and sustainability of water resources in Washington County, Nebraska.