Frd No 21

About Frd No 21

The primary purpose of Frd No 21 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Atchison, City Of (local government). It impounds the White Clay Creek-tr near Atchison.

The dam stands 37 feet tall and stretches 370 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/21/2023.

At 37 feet, this dam is taller than 84% of dams nationwide.

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