Green Valley Park

About Green Valley Park

Green Valley Park is a dam in Gila, Arizona. The dam is owned by Town Of Payson (local government). It impounds the American Gulch near Payson.

The dam stands 13 feet tall and stretches 1,005 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 180 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1996, the structure is 30 years 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 05/23/2024.

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 Arizona dam safety program can provide more specific information about emergency planning for this structure.

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