Lake Sinca
Key Takeaway
Lake Sinca is classified as high hazard in Pennsylvania. It was completed in 1969 and is 57 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 24 ft (taller than 52.7% in PA) |
| Dam Length | 1,100 ft |
| Dam Type | Earth |
| Max Storage | 221 acre-ft |
| Normal Storage | 132 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1969 (57 years old) |
| NID ID | PA00604 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
GREEN WOOD ACRES POA
Private
Nearby Dams
Arrowhead Lake
Monroe, PA
High Hazard 18 ftPocono Lake
Monroe, PA
Significant Hazard 47 ftBig Boulder Lake A
Carbon, PA
High Hazard 21 ftBig Boulder Lake B
Carbon, PA
High Hazard 19 ftLocust Lake
Monroe, PA
High Hazard 12 ftNorth Arrowhead Lake
Monroe, PA
High Hazard 21 ftBrier Crest Woods
Monroe, PA
High Hazard 16 ftPlacid Lake
Carbon, PA
High Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Lake Sinca?
Lake Sinca is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Sinca?
Lake Sinca is owned by GREEN WOOD ACRES POA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Sinca built?
Lake Sinca was completed in 1969, making it 57 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 Sinca?
Lake Sinca 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 Sinca?
Lake Sinca has a dam height of 24 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 Sinca last inspected?
Lake Sinca was last inspected on January 7, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.