Cottonwood Creek 22-A is a vital structure located in Saunders, Nebraska, designed by the USDA NRCS to serve as a flood risk reduction measure along the TR-Cottonwood Creek. Completed in 1987, this earth dam stands at a height of 42 feet, with a hydraulic height of 39.5 feet and a structural height of 49 feet. With a storage capacity of 2556.7 acre-feet and a normal storage capacity of 509 acre-feet, this dam plays a crucial role in managing water flow and mitigating flood risks in the area.

Managed by the NE DNR, Cottonwood Creek 22-A undergoes regular inspections to ensure its structural integrity and functionality. The dam is classified as having a low hazard potential and is assessed as being in satisfactory condition as of the last inspection in May 2017. With a drainage area of 5 square miles and a maximum discharge capacity of 1962 cubic feet per second, this structure plays a significant role in regulating water flow and protecting the surrounding areas from potential flooding events.

Climate and water resource enthusiasts will be intrigued by the engineering and operational details of Cottonwood Creek 22-A. From its stone core and soil foundation to its impressive length of 1253 feet, this dam is a testament to the importance of effective water management in safeguarding communities against the impacts of extreme weather events. As a key flood risk reduction measure in the region, Cottonwood Creek 22-A stands as a symbol of resilience and proactive disaster preparedness in the face of climate challenges.