Busseron Dam No. G-4

About Busseron Dam No. G-4

The primary purpose of Busseron Dam No. G-4 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 Busseron Conservancy District (local government). It impounds the Busseron Creek near Hymera.

The dam stands 32 feet tall and stretches 560 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 1,170 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1964, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 10/22/2019.

At 32 feet, this dam is taller than 76% of dams nationwide.

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