Big Beaver

About Big Beaver

The primary purpose of Big Beaver is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bailey, Ken (private). It impounds the Bull Creek-tr near Molina.

The dam stands 37 feet tall and stretches 180 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 175 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.

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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/26/2022.

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

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