Plattsmouth 4-A is a crucial flood risk reduction structure located in Cass, Nebraska, along the TR-Missouri River. Built in 1962 by the USDA NRCS, this earth dam stands at a height of 25 feet and has a hydraulic height of 27 feet, providing essential protection to the surrounding area. With a normal storage capacity of 1 acre-foot and a maximum discharge of 508 cubic feet per second, this dam plays a vital role in managing water flow and reducing the risk of flooding in the region.

Managed by the Nebraska Department of Natural Resources, Plattsmouth 4-A is regularly inspected to ensure its structural integrity and functionality. The dam has been assessed as being in satisfactory condition, with a high hazard potential due to its location and purpose. Emergency action plans are in place, and the dam meets regulatory guidelines to effectively respond to any unforeseen events. With its critical role in flood risk reduction and water resource management, Plattsmouth 4-A stands as a key infrastructure asset in safeguarding the local community and environment from the impacts of extreme weather and climate events.

As a primary purpose flood risk reduction structure, Plattsmouth 4-A serves as a testament to the importance of proactive water resource management in mitigating the effects of climate change. Its strategic design, construction, and regulatory oversight exemplify best practices in dam safety and emergency preparedness. As climate enthusiasts and water resource stakeholders, understanding the significance of infrastructure like Plattsmouth 4-A is essential in fostering resilience and sustainability in the face of changing environmental conditions.