Lake John
Key Takeaway
Lake John is classified as low hazard in Pennsylvania. It was completed in 1958 and is 68 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 27.6% in PA) |
| Dam Length | 325 ft |
| Dam Type | Earth |
| Max Storage | 200 acre-ft |
| Normal Storage | 509 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1958 (68 years old) |
| NID ID | PA00361 |
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 GAME COMMISSION
State Government
Nearby Dams
Splash
Sullivan, PA
Low Hazard 10 ftFoster Pond
Sullivan, PA
Low Hazard 11 ftBowmans Marsh
Luzerne, PA
Low Hazard 10 ftConnell
Sullivan, PA
Low Hazard 18 ftLake Jean
Luzerne, PA
High Hazard 26 ftPainter Den Pond
Sullivan, PA
Low Hazard 10 ftSullivan
Sullivan, PA
Low Hazard 11 ftSaxe Pond
Bradford, PA
High Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Lake John?
Lake John 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 Lake John?
Lake John is owned by PA GAME COMMISSION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake John built?
Lake John was completed in 1958, making it 68 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 Lake John?
Lake John serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake John?
Lake John has a dam height of 15 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 Lake John last inspected?
Lake John was last inspected on May 24, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.