Dd No 108, also known as Jacobs Phenis Creek WS Site 108, is a vital earth dam located in Lyon, Kansas, specifically in the city of Emporia. Constructed in 1980 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction along the Cottonwood River-TR. With a structural height of 25 feet and a length of 1355 feet, Dd No 108 has a storage capacity of 216.6 acre-feet, providing essential protection to the surrounding area.

Managed by the Kansas Department of Agriculture, Dd No 108 is regulated and inspected regularly to ensure its functionality in times of need. With a low hazard potential and a moderate risk assessment rating, this dam stands ready to mitigate flood risks and protect the local community. Although its condition assessment is currently not rated, the dam's design and construction align with best practices for water resource management and climate resilience.

As a key piece of infrastructure in the region, Dd No 108 plays a crucial role in safeguarding against potential flooding events and ensuring the safety of nearby residents. With its uncontrolled spillway and strategic location, this dam exemplifies the importance of proactive flood risk reduction measures in the face of changing climate patterns. For water resource and climate enthusiasts, Dd No 108 serves as a noteworthy example of effective dam management and the critical role it plays in protecting communities and enhancing environmental resilience.