Upper Douglas Structure Number 1

About Upper Douglas Structure Number 1

The primary purpose of Upper Douglas Structure Number 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fort Knox (federal). It impounds the Douglas Branch near Salt River Past West Point.

The dam stands 42 feet tall and stretches 650 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 339 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 05/30/2023.

At 42 feet, this dam is taller than 89% of dams nationwide.

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