Dd No D-7 (Tri-Creek) is a local government-owned dam located in Neodesha, Kansas, designed by J. Dale Steward and completed in 1996. This earth dam serves primarily for flood risk reduction, with additional purposes including recreation. The dam stands at a height of 37 feet and spans a length of 1475 feet, creating a reservoir with a normal storage capacity of 366.15 acre-feet and a maximum storage capacity of 963.5 acre-feet.

Situated on Dry Creek-TR, the dam has a low hazard potential and has not been rated for its current condition. Despite its moderate risk assessment of 3, the dam has not undergone any modification since its completion. With a spillway type classified as uncontrolled and a spillway width of 60 feet, the dam is equipped to handle a maximum discharge of 124 cubic feet per second. The surrounding area includes a surface area of 48.46 acres and a drainage area of 1.63 square miles, making it an essential part of the local water resource management system.

Overall, Dd No D-7 (Tri-Creek) serves as a vital infrastructure for flood risk reduction in the Wilson County of Kansas. With its strategic location and design specifications, the dam plays a crucial role in safeguarding the community against potential flooding events. As a state-regulated structure under the oversight of the Kansas Department of Agriculture, the dam is subject to regular inspections and enforcement measures to ensure its continued functionality and safety for the residents of Neodesha. Its role in water resource management and climate resilience makes it a key asset for enthusiasts in the field.