Little Deer Creek Site 3

About Little Deer Creek Site 3

The primary purpose of Little Deer Creek Site 3 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Harford County Dpw/virginia/williamson/donna (federal). It impounds the Little Deer Creek-tr near Rocks State Park.

The dam stands 45 feet tall and stretches 726 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 582 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1962, the structure is well into its service life at over 50 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. The most recent inspection on record was 11/22/2024.

At 45 feet, this dam is taller than 91% of dams nationwide.

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