Enterprise (upper)

About Enterprise (upper)

The primary purpose of Enterprise (upper) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Enterprise Reservoir & Canal Company (private). It impounds the Little Pine Creek near Enterprise.

The dam stands 91 feet tall and stretches 190 feet across, has a maximum storage capacity of 12,300 acre-feet, and collects water from a drainage area of 29 square miles. Completed in 1912, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 06/07/2023.

At 91 feet, this dam is taller than 98% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Utah dam safety program can provide more specific information about emergency planning for this structure.

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