Located in Lincoln, Kansas, Frd No 30 is a local government-owned earth dam designed by the USDA NRCS with a primary purpose of flood risk reduction along Rattlesnake Creek. Completed in 1995, this structure stands at a height of 46 feet and spans 1300 feet in length, with a storage capacity of 2429 acre-feet. Despite its low hazard potential, the dam has not been rated for its condition assessment.

The dam features an uncontrolled spillway with a width of 190 feet and a maximum discharge capacity of 4900 cubic feet per second. The surrounding area covers 27.2 acres with a drainage area of 7.23 square miles. While the dam has not been modified in recent years, it is regulated, inspected, and enforced by the Kansas Department of Agriculture, ensuring its continued functionality in mitigating flood risks in the region.

Overall, Frd No 30 serves as a critical infrastructure for flood risk management in the area, providing essential protection for the local community and surrounding lands. With its moderate risk assessment and a history of successful operations, this dam remains an important asset in safeguarding against potential water-related challenges in the region.