Dunmore No 3
Key Takeaway
Dunmore No 3 is classified as low hazard in Pennsylvania. It was completed in 1845 and is 181 years old. Its primary use is water supply.
Physical Details
| Dam Height | 14 ft (taller than 23.9% in PA) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 78 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1845 (181 years old) |
| NID ID | PA00376 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
PA AMERICAN WATER COMPANY
Private
Nearby Dams
Marshwood
Lackawanna, PA
High Hazard 14 ftMoosic Lakes
Lackawanna, PA
Significant Hazard 12 ftElmcrest
Lackawanna, PA
High Hazard 9 ftOlyphant No 2
Lackawanna, PA
Significant Hazard 55 ftElmhurst
Lackawanna, PA
High Hazard 64 ftSediment Basin No 3
Lackawanna, PA
Low Hazard 20 ftCurtis
Lackawanna, PA
High Hazard 45 ftOlyphant No 3
Lackawanna, PA
Significant Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Dunmore No 3?
Dunmore No 3 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Dunmore No 3?
Dunmore No 3 is owned by PA AMERICAN WATER COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dunmore No 3 built?
Dunmore No 3 was completed in 1845, making it 181 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 Dunmore No 3?
Dunmore No 3 serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dunmore No 3?
Dunmore No 3 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 Dunmore No 3 last inspected?
Dunmore No 3 was last inspected on December 29, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.