Grigg Lake Dam
Key Takeaway
Grigg Lake Dam is classified as unknown in Virginia. Its primary use is recreation.
Physical Details
| Dam Height | 21 ft (taller than 31.6% in VA) |
| Dam Type | Earth |
| Max Storage | 321 acre-ft |
| Drainage Area | 6 sq mi |
| NID ID | VA145012 |
Safety Information
Hazard potential has not been determined.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
VA Department of Corrections - Poor Creek Facility
State Government
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Grigg Lake Dam?
Grigg Lake Dam is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Grigg Lake Dam?
Grigg Lake Dam is owned by VA Department of Corrections - Poor Creek Facility (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Grigg Lake Dam?
Grigg Lake Dam 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 Grigg Lake Dam?
Grigg Lake Dam has a dam height of 21 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.