Lower Thornhill Irrigation Pond Dam
Key Takeaway
Lower Thornhill Irrigation Pond Dam is classified as low hazard in Georgia.
Physical Details
| Dam Height | 20 ft (taller than 40.1% in GA) |
| Dam Length | 1,135 ft |
| Dam Type | Earth |
| Max Storage | 457 acre-ft |
| Normal Storage | 302 acre-ft |
| Surface Area | 38 acres |
| NID ID | GA06474 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
John P. Thornhill
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Lower Thornhill Irrigation Pond Dam?
Lower Thornhill Irrigation Pond Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lower Thornhill Irrigation Pond Dam?
Lower Thornhill Irrigation Pond Dam is owned by John P. Thornhill (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
How tall is Lower Thornhill Irrigation Pond Dam?
Lower Thornhill Irrigation Pond Dam has a dam height of 20 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 Lower Thornhill Irrigation Pond Dam last inspected?
Lower Thornhill Irrigation Pond Dam was last inspected on May 1, 2000. Inspection dates indicate when a formal review occurred, not the results of that inspection.