Retzlaff Dam, located in Otoe County, Nebraska, is a privately owned earth dam completed in 1980 with a primary purpose of providing fire protection, stock, or serving as a small fish pond. The dam, standing at a height of 24.5 feet and a length of 480 feet, has a normal storage capacity of 10.1 acre-feet and a maximum storage of 51.4 acre-feet. It is regulated by the Nebraska Department of Natural Resources and undergoes regular inspections to ensure its structural integrity and safety.

Situated on the TR-Little Nemaha River, Retzlaff Dam plays a crucial role in water resource management in the region, covering a surface area of 4.5 acres and draining a 0.28 square mile watershed. Despite its low hazard potential, the dam is subject to periodic inspections every five years to assess its condition and maintenance needs. The dam's location in Douglas, Nebraska, under the jurisdiction of the state regulatory agency, highlights its importance in providing essential services like fire protection and water storage for local communities.

As a water resource and climate enthusiast, the significance of Retzlaff Dam lies in its multifaceted role in safeguarding the surrounding area against potential hazards while also serving as a reservoir for various purposes. With its strategic location and low hazard potential, the dam stands as a testament to effective water management practices and underscores the importance of maintaining infrastructure to support sustainable water resource management in the face of changing climate conditions.