Oak-Middle 57-A is a vital earth dam located in Seward, Nebraska, designed by the USDA NRCS in 1968 for flood risk reduction along the TR-PEANUT CREEK. With a height of 43 feet and a length of 1530 feet, this dam provides storage of 1697 acre-feet and serves a drainage area of 5.9 square miles. Despite its low hazard potential, the dam is regularly inspected by NE DNR and deemed to be in satisfactory condition as of May 2018.

Owned by the local government, Oak-Middle 57-A plays a crucial role in mitigating flooding in the region, with a primary purpose of flood risk reduction. The dam's structure consists of stone core and soil foundation, ensuring its stability. Managed by the Natural Resources Conservation Service, this dam operates under state regulatory oversight, including permitting, inspection, and enforcement by NE DNR, emphasizing the importance of maintaining its integrity for community safety.

Situated in Raymond, Nebraska, Oak-Middle 57-A is a significant piece of infrastructure overseen by the Kansas City District. With Jeff Fortenberry (R) as the Congressional representative for the area, the dam contributes to the overall water resource management efforts in the region. As climate change continues to impact water resources, Oak-Middle 57-A stands as a critical asset in safeguarding the community against potential flood risks, highlighting the importance of proactive maintenance and monitoring for sustainable water management.