Frd No 9-30, also known as Muddy Creek Watershed Dam 9 30, is a crucial structure located in Butler County, Kansas, designed by the USDA NRCS to serve as a flood risk reduction measure. Completed in 1967, this earth dam stands at a height of 24 feet and has a hydraulic height of 21 feet, with a storage capacity of 757.29 acre-feet and a drainage area of 1.7 square miles.

Managed by the local government and regulated by the Kansas Department of Agriculture, Frd No 9-30 plays a key role in protecting the surrounding area from potential flooding events. With a low hazard potential and a moderate risk assessment rating, this dam provides essential flood control measures for the Muddy Creek watershed, ensuring the safety and resilience of the community in Winfield.

Although not currently rated for condition assessment, Frd No 9-30 continues to serve its primary purpose of flood risk reduction, with a spillway width of 40 feet and a maximum discharge capacity of 49,785 cubic feet per second. This structure exemplifies the importance of effective water resource management and climate resilience strategies in safeguarding communities against the impact of extreme weather events.