Dd No G-11 (Labette-Hackberry) is a local government-owned dam located in Labette County, Kansas, with a primary purpose of flood risk reduction. Built in 1998 by designer Hugh W. Armstrong, this earth dam stands at a height of 18.1 feet and has a length of 1400 feet. The dam has a NID storage capacity of 416.76 acre-feet, with a normal storage capacity of 33.55 acre-feet.

Despite being classified as having a low hazard potential, the dam is regulated by the Kansas Department of Agriculture and undergoes state permitting, inspection, and enforcement. It features an uncontrolled spillway with a width of 170 feet. The risk assessment for Dd No G-11 is moderate, with a DSAC assigned date and a risk management plan in place. The dam has not been rated for its condition assessment, and the emergency action plan status is unknown. Overall, Dd No G-11 serves as a crucial infrastructure for flood control in the region, showcasing the importance of water resource management in mitigating climate-related risks.