Reservoir No 7
Key Takeaway
Reservoir No 7 is classified as significant hazard in Pennsylvania. It was completed in 1852 and is 174 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 13 ft (taller than 21.2% in PA) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 88 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1852 (174 years old) |
| NID ID | PA00090 |
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
AQUA PENNSYLVANIA, INC.
Private
Nearby Dams
Carbondale No 4
Lackawanna, PA
High Hazard 28 ftBrownell Reservoir
Lackawanna, PA
High Hazard 67 ftBelmont
Lackawanna, PA
High Hazard 33 ftBronson Pond
Wayne, PA
Significant Hazard 8 ftLake Ladore
Wayne, PA
High Hazard 28 ftHetzell Pond
Wayne, PA
Low Hazard 8 ftElk Lake
Wayne, PA
High Hazard 11 ftLittle Keen Pond
Wayne, PA
Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Reservoir No 7?
Reservoir No 7 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 Reservoir No 7?
Reservoir No 7 is owned by AQUA PENNSYLVANIA, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Reservoir No 7 built?
Reservoir No 7 was completed in 1852, making it 174 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 Reservoir No 7?
Reservoir No 7 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 Reservoir No 7?
Reservoir No 7 has a dam height of 13 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 Reservoir No 7 last inspected?
Reservoir No 7 was last inspected on September 16, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.