Grogan Dam
Key Takeaway
Grogan Dam is classified as low hazard in Texas. It was completed in 1929 and is 97 years old.
Physical Details
| Dam Height | 25 ft (taller than 50.9% in TX) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 192 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1929 (97 years old) |
| NID ID | TX00394 |
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
PJ GROGAN
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Grogan Dam?
Grogan 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 Grogan Dam?
Grogan Dam is owned by PJ GROGAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grogan Dam built?
Grogan Dam was completed in 1929, making it 97 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Grogan Dam?
Grogan Dam has a dam height of 25 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.