Frd No 9, located in Butler County, Kansas, is a local government-owned earth dam designed by USDA NRCS in 1980 for the primary purpose of flood risk reduction along Maple Creek. With a dam height of 23.9 feet and a length of 2200 feet, Frd No 9 has a storage capacity of 1051.9 acre-feet and serves a drainage area of 2.22 square miles. Despite having a low hazard potential and being in a moderate risk category, the dam is not currently rated for its condition and has not undergone recent inspections or maintenance assessments.

Managed by the Kansas Department of Agriculture, Frd No 9 is regulated and permitted at the state level, with inspection, enforcement, and permitting procedures in place to ensure its safety and compliance. The dam features an uncontrolled spillway with a width of 40 feet, and no outlet gates for water release. While there are no associated structures or locks, Frd No 9 plays a crucial role in mitigating flood risks and protecting the surrounding community of Rock. Enthusiasts of water resources and climate will find Frd No 9's design, construction, and operational details fascinating as they contribute to the overall flood risk reduction efforts in the area.