Dd No 123 is a local government-owned dam located in Jackson, Kansas, with a primary purpose of flood risk reduction. Built in 1995, this earth dam stands at a height of 31.8 feet and spans a length of 1050 feet, with a storage capacity of 652.2 acre-feet. The dam is regulated by the Kansas Department of Agriculture and is equipped with an uncontrolled spillway with a width of 40 feet, capable of discharging up to 1200 cubic feet per second.

Despite being classified as having a low hazard potential and not yet rated for its condition assessment, Dd No 123 presents a moderate risk level. With a drainage area of 1.43 square miles and a surface area of 15.4 acres, this dam plays a crucial role in managing floodwaters in the Cross Creek-TR watershed. Although it has not been inspected since October 2005, the dam is subject to state enforcement and permitting, ensuring its continued safety and functionality for the surrounding community.

For water resource and climate enthusiasts, Dd No 123 serves as a significant flood control structure in Kansas, contributing to the overall resilience of the region against potential water-related disasters. Its strategic location and design, coupled with state regulatory oversight and operational protocols, highlight the importance of infrastructure management in safeguarding communities and ecosystems from the impacts of extreme weather events.