Dd No D-27, also known as Upper Pottawatomie Creek WS No D-27, is a rockfill dam located in Lane, Kansas, with a primary purpose of flood risk reduction. Built in 1999 by the USDA NRCS, this dam stands at a height of 19.2 feet and has a normal storage capacity of 14 acre-feet. The dam spans 510 feet in length and has a drainage area of 0.25 square miles, with a maximum discharge capacity of 897 cubic feet per second.

With a low hazard potential and a moderate risk assessment rating, Dd No D-27 plays a crucial role in managing flood risks in the area. Despite its condition being marked as "Not Rated," this dam continues to safeguard the surrounding community from potential inundation events. While the dam has not been inspected recently, its design and construction by the Natural Resources Conservation Service ensure its structural integrity and functionality in reducing flood risks along the Thomas Creek-TR.

As water resource and climate enthusiasts, understanding the importance and impact of infrastructure like Dd No D-27 is vital in safeguarding communities from the adverse effects of extreme weather events. This dam serves as a critical piece of the flood risk reduction strategy in Anderson County, Kansas, demonstrating the collaborative efforts between local government agencies and federal entities to protect livelihoods and properties from potential flooding disasters.