Dd No 109, also known as Pony Creek WS District 78 Site 109, is a vital structure owned by the local government in Nemaha, Kansas. Managed by the Kansas Department of Agriculture, this dam plays a crucial role in flood risk reduction along the Pony Creek-TR river. Designed by the USDA NRCS, this Earth dam stands at a height of 32 feet and has a storage capacity of 108.8 acre-feet, with a normal storage level of 24.9 acre-feet.

Located in Preston, Nebraska, Dd No 109 has a low hazard potential and a moderate risk assessment rating. The dam is equipped with an uncontrolled spillway and does not have any outlet gates. Although the condition assessment is not rated, the structure undergoes regular inspections by the state regulatory agency to ensure its safety and functionality. With a history of state permitting and enforcement, Dd No 109 continues to serve its primary purpose of flood risk reduction effectively.

Water resource and climate enthusiasts will appreciate the intricate details of Dd No 109, from its design by the Natural Resources Conservation Service to its location in the Kansas City District. With a structural height of 32 feet and a length of 800 feet, this dam stands as a testament to effective water management and infrastructure for flood mitigation. Its presence along the Pony Creek-TR river highlights the importance of proactive measures in ensuring the safety and resilience of communities in the face of changing climatic conditions.