Dd No C-115 (Kathrens) is a vital flood risk reduction structure located in Larkinburg, Kansas, along the Elk Creek-TR stream. Built in 1977 by the USDA NRCS, this earth dam stands at a height of 28.6 feet and has a hydraulic height of 29 feet. With a primary purpose of flood risk reduction, the dam serves to protect the surrounding area from potential flooding events.

Owned by the local government and regulated by the State of Kansas, Dd No C-115 plays a crucial role in managing water resources in Jackson County. The dam has a low hazard potential and a moderate risk rating, indicating its importance in mitigating flood risks in the region. Despite not being USACE-owned, the structure meets state permitting, inspection, and enforcement requirements, ensuring its operational effectiveness.

With a storage capacity of 94.18 acre-feet, Dd No C-115 contributes to water resource management in the area, covering a drainage area of 0.23 square miles. While the dam is not currently rated for condition assessment, its design and construction by the Natural Resources Conservation Service reflect a commitment to sustainable water infrastructure for climate resilience. This dam serves as a testament to the collaborative efforts between local and federal agencies in safeguarding communities against the impacts of extreme weather events.