Frd No 22, also known as Little Walnut Hickory WS Dam 22, is a flood risk reduction structure located in Douglass, Kansas. Built in 1967 by the USDA NRCS, this dam stands at a height of 40 feet and has a hydraulic height of 36 feet. With a capacity of 720 acre-feet, it serves to mitigate the risk of flooding along the Hickory Creek-TR river or stream.

Managed by the Kansas Department of Agriculture, Frd No 22 is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and functionality. The dam, constructed with a buttress core type and an unknown foundation, has a spillway width of 40 feet and a maximum discharge of 616 cubic feet per second. Despite being rated as low hazard potential and not yet assessed for condition, Frd No 22 plays a crucial role in protecting the surrounding area from potential flood events.

With its primary purpose being flood risk reduction, Frd No 22 serves as a vital infrastructure in the region, contributing to the overall water resource management efforts in Butler County, Kansas. As a key component of the local government's flood control measures, this dam underscores the importance of maintaining and monitoring such structures to safeguard communities and ecosystems from the impacts of extreme weather events and climate change.