Greenwalt
Key Takeaway
Greenwalt is classified as significant hazard in Pennsylvania. It was completed in 1990 and is 36 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 60.1% in PA) |
| Dam Length | 785 ft |
| Dam Type | Earth |
| Max Storage | 171 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1990 (36 years old) |
| NID ID | PA00476 |
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
TERRY L. BURNS
Private
Nearby Dams
Twin Lakes No 1
Westmoreland, PA
High Hazard 31 ftRidilla Upper Pond A
Westmoreland, PA
Significant Hazard 15 ftTwin Lakes No 2
Westmoreland, PA
High Hazard 34 ftKeystone State Park
Westmoreland, PA
Significant Hazard 45 ftMannitto
Westmoreland, PA
Low Hazard 18 ftEidemiller Lake
Westmoreland, PA
High Hazard 22 ftLoyalhanna Dam
Westmoreland, PA
High HazardTownship Line
Westmoreland, PA
High Hazard 56 ftFrequently Asked Questions
What is the hazard classification of Greenwalt?
Greenwalt 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 Greenwalt?
Greenwalt is owned by TERRY L. BURNS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Greenwalt built?
Greenwalt 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 Greenwalt?
Greenwalt 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 Greenwalt?
Greenwalt has a dam height of 27 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 Greenwalt last inspected?
Greenwalt was last inspected on February 20, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.