Dd No 205, located in Lyon County, Kansas, is a local government-owned earth dam designed by Mid-Kansas of Topeka. This dam, with a height of 28 feet and a length of 1200 feet, serves the primary purpose of flood risk reduction along Bluff Creek. It has a storage capacity of 424.9 acre-feet and a drainage area of 1.03 square miles, with a normal storage level of 42.3 acre-feet.

The dam's spillway, with a width of 40 feet, is uncontrolled, and the hazard potential is deemed significant, with a fair condition assessment. The dam is regulated by the Kansas Department of Agriculture and undergoes regular inspections, with the last one conducted in June 2018. The risk assessment for Dd No 205 is moderate, highlighting the need for ongoing risk management measures to ensure the dam's safety and efficacy in mitigating flood risk for the surrounding area.

As water resource and climate enthusiasts, it is crucial to monitor and support the maintenance and management of infrastructure like Dd No 205 to safeguard communities and ecosystems from the impacts of extreme weather events. By staying informed about the dam's condition, regulatory oversight, and risk assessment, stakeholders can work towards sustainable water resource management and climate resilience in the region.