Frd No 18, also known as Rock Creek Watershed Dam 18, is a vital flood risk reduction structure located in Winfield, Kansas. Constructed in 1972 by the USDA NRCS, this earth dam stands at a height of 35 feet and has a hydraulic height of 32 feet. It has a storage capacity of 1,095 acre-feet and serves the primary purpose of flood risk reduction in the Rock Creek-TR watershed.

Managed by the local government of Butler County, Kansas, Frd No 18 is regulated, inspected, and enforced by the Kansas Department of Agriculture. With a low hazard potential and a moderate risk assessment rating of 3, this dam plays a crucial role in protecting the surrounding area from potential flooding events. Despite not having an official condition assessment, Frd No 18 continues to serve its purpose effectively and efficiently.

With its uncontrolled spillway, surface area of 19.07 acres, and drainage area of 3.79 square miles, Frd No 18 is a key component of the flood control infrastructure in the region. As a water resource and climate enthusiast, understanding the importance and functionality of structures like Frd No 18 is essential in ensuring the safety and resilience of communities in the face of changing weather patterns and increased flood risks.