Flannery

About Flannery

The primary purpose of Flannery is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Beckley, Steve (private). It impounds the Threemile Creek near Glenwood Springs.

The dam stands 16 feet tall and stretches 200 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 203 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1990, the structure is 36 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/24/2021.

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