Frd No 12a, located in Sedgwick County, Kansas, is a local government-owned earth dam designed by Dale Steward for flood risk reduction on Eight Mile Creek. Completed in 1985, the dam stands at 18 feet high and is 1010 feet long, with a capacity to store 389 acre-feet of water. The dam serves a crucial role in mitigating flood risks in the area, with a moderate hazard potential rating.

The dam has a spillway width of 40 feet and a maximum discharge of 460 cubic feet per second. Despite its low hazard potential, the dam's condition assessment is currently not rated. The dam does not have outlet gates and is classified as an uncontrolled spillway type. While the risk assessment for Frd No 12a is moderate, the emergency action plan and risk management measures are not fully detailed in the available data.

Overall, Frd No 12a plays a vital role in managing flood risks in the Rose Hill area, offering protection to the local community. With its strategic location on Eight Mile Creek, the dam serves as a critical infrastructure for water resource management and climate resilience in Sedgwick County, Kansas.