Timber Lake
Key Takeaway
Timber Lake is classified as significant hazard in Pennsylvania. It was completed in 1990 and is 36 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 17 ft (taller than 35.6% in PA) |
| Dam Length | 575 ft |
| Dam Type | Earth |
| Max Storage | 63 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1990 (36 years old) |
| NID ID | PA01503 |
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
RYAN HOMES, INC.
Private
Nearby Dams
Lake Jo-Ann
Washington, PA
High Hazard 16 ftTrax Farms
Washington, PA
High Hazard 26 ftOrchard Hill
Washington, PA
Significant Hazard 23 ftSimon Pond
Washington, PA
Significant HazardWaterfall Way Detention Basin
Washington, PA
Significant Hazard 27 ftCanonsburg No 2
Washington, PA
High Hazard 36 ftMitchell Sludge Sedimentation Pond
Washington, PA
Significant Hazard 50 ftMaple Creek Slurry Pond No 2 - A
Washington, PA
High Hazard 91 ftFrequently Asked Questions
What is the hazard classification of Timber Lake?
Timber Lake 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 Timber Lake?
Timber Lake is owned by RYAN HOMES, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Timber Lake built?
Timber Lake was completed in 1990, making it 36 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 Timber Lake?
Timber Lake serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Timber Lake?
Timber Lake has a dam height of 17 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 Timber Lake last inspected?
Timber Lake was last inspected on July 20, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.