Upper North River #77
Key Takeaway
Upper North River #77 is classified as high hazard in Virginia. It was completed in 1966 and is 60 years old. Its primary use is flood risk reduction. 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 | 107 ft (taller than 98.9% in VA) |
| Dam Length | 705 ft |
| Dam Type | Earth |
| Max Storage | 3.0K acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 16 sq mi |
| Year Completed | 1966 (60 years old) |
| NID ID | VA015007 |
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
Headwaters Soil and Water Conservation District
Local Government
Nearby Dams
Upper North River Dam #10
Augusta, VA
High Hazard 68 ftLower North River # 78
Rockingham, VA
High Hazard 89 ftStaunton Dam
Augusta, VA
High Hazard 46 ftLower North River # 83
Rockingham, VA
High Hazard 93 ftUpper North River #76
Augusta, VA
High Hazard 118 ftLower North River # 80
Rockingham, VA
High Hazard 82 ftSouth Fork No. 19
Pendleton, WV
High Hazard 81 ftBraley Dam
Augusta, VA
Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Upper North River #77?
Upper North River #77 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 Upper North River #77?
Upper North River #77 is owned by Headwaters Soil and Water Conservation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper North River #77 built?
Upper North River #77 was completed in 1966, making it 60 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 Upper North River #77?
Upper North River #77 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 Upper North River #77?
Upper North River #77 has a dam height of 107 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 Upper North River #77 last inspected?
Upper North River #77 was last inspected on April 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.