Dd No 3-1b

About Dd No 3-1b

The primary purpose of Dd No 3-1b 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 Pawnee Wjd No 81 (local government). It impounds the Duck Creek-tr near Burdett.

The dam stands 42 feet tall and stretches 1,610 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 1,540 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1974, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 04/19/2023.

At 42 feet, this dam is taller than 89% of dams nationwide.

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