W-M Dam, located in Plattsmouth, Nebraska, is a privately owned earth dam primarily used for irrigation purposes. Completed in 1975, this structure stands at a height of 26 feet with a hydraulic height of 23 feet and a structural height of 31 feet. With a storage capacity of 558 acre-feet, the dam serves the surrounding area by storing water from the TR-Eight Mile Creek for agricultural use.

Managed and regulated by the Nebraska Department of Natural Resources, W-M Dam has a low hazard potential and is deemed to be in satisfactory condition as of the last inspection in April 2019. Despite its age, the dam continues to meet state permitting, inspection, and enforcement requirements, showcasing its importance in ensuring water resource management and climate resilience in the region. With a drainage area of 0.4 square miles and a maximum discharge of 520 cubic feet per second, W-M Dam plays a crucial role in maintaining water supply and quality for the local community.

Surrounded by the picturesque landscape of Cass County, Nebraska, W-M Dam not only provides essential irrigation water but also contributes to the overall environmental sustainability of the area. As climate change continues to impact water resources, structures like W-M Dam play a vital role in adapting to changing conditions and ensuring the availability of water for agricultural activities. With its stone core and soil foundation, W-M Dam stands as a testament to effective water management practices and serves as a valuable asset in promoting water security and resilience in the face of a changing climate.