Bacon Creek Watershed Site H-1-1

About Bacon Creek Watershed Site H-1-1

The primary purpose of Bacon Creek Watershed Site H-1-1 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 Woodbury County Swcd (local government). It impounds the Tr-floyd River near Sioux City.

The dam stands 40 feet tall and stretches 500 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 99 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 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 07/24/2024.

At 40 feet, this dam is taller than 87% of dams nationwide.

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