Frd No 36-B, also known as Big Caney WS 36-B, is a local government-owned earth dam located in Grenola, Kansas. Completed in 1972 by the USDA NRCS, this structure serves the primary purpose of flood risk reduction along the Schrader Branch Caney River. With a height of 43 feet and a length of 1110 feet, the dam has a storage capacity of 848.93 acre-feet and covers a surface area of 8.3 acres.

Managed by the Kansas Department of Agriculture, Frd No 36-B is regulated, permitted, inspected, and enforced by the state. The dam has a low hazard potential and is currently rated as in "Not Rated" condition. Despite its moderate risk level, there are no emergency action plans in place, and the structure has not been assessed for compliance with guidelines or preparedness for potential inundation events.

Located in Elk County, Kansas, Frd No 36-B plays a crucial role in mitigating flood risks in the region while also providing valuable water resource management benefits. As a key piece of infrastructure in the area, ongoing monitoring and assessment of the dam's condition and risk management measures are essential to ensure its continued effectiveness in protecting the community and the environment.