Hershey Mill
Key Takeaway
Hershey Mill is classified as significant hazard in Pennsylvania. It was completed in 1748 and is 278 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 23.9% in PA) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 18 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1748 (278 years old) |
| NID ID | PA01868 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
EAST GOSHEN TOWNSHIP
Local Government
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Significant Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Hershey Mill?
Hershey Mill is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hershey Mill?
Hershey Mill is owned by EAST GOSHEN TOWNSHIP (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hershey Mill built?
Hershey Mill was completed in 1748, making it 278 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Hershey Mill?
Hershey Mill serves the following purposes: Recreation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hershey Mill?
Hershey Mill has a dam height of 14 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Hershey Mill last inspected?
Hershey Mill was last inspected on May 19, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.