Dd No 11-23 is a local government-owned dam located in Nemaha, Kansas, designed by King Engineering and completed in 1992. The dam is situated on Muddy Creek and serves primarily for flood risk reduction, with additional purposes including debris control. With a dam height of 31 feet and a length of 500 feet, Dd No 11-23 has a storage capacity of 171.92 acre-feet and covers a surface area of 5.68 acres.

Managed by the Kansas Department of Agriculture, Dd No 11-23 is state-regulated and subject to regular inspections, permitting, and enforcement. The dam's hazard potential is classified as low, with a moderate risk assessment rating. The spillway type for the dam is uncontrolled, with a width of 60 feet. Despite not having outlet gates, the dam is designed to effectively manage floodwaters and reduce the risk of inundation in the surrounding area.

Overall, Dd No 11-23 is a crucial structure for flood risk mitigation in Nemaha, Kansas, contributing to the protection of nearby communities and infrastructure. As a key component of the local water resource management system, this earth dam plays a vital role in safeguarding against potential flooding events and ensuring the safety and resilience of the area. Climate and water resource enthusiasts will appreciate the detailed information provided about this important infrastructure project and its significance in the region.