Grande Hills Lake Dam
Key Takeaway
Grande Hills Lake Dam is classified as low hazard in Louisiana. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 33.1% in LA) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 447 acre-ft |
| Normal Storage | 330 acre-ft |
| Surface Area | 60 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 859 cfs |
| NID ID | LA00351 |
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
Grande Hills Estates Homeowners Assoc.
Private
Nearby Dams
Grande Hills Lake Dam No. 2
St. Tammany, LA
Low Hazard 9 ftEgret Pond
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Low Hazard 20 ftHeron Lake
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Low Hazard 12 ftMoney Hill Pond No. 2
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Low Hazard 8 ftCrane Lake
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Low Hazard 25 ftHemphill Lake Dam
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Low Hazard 12 ftGoodyears Pond
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Low Hazard 14 ftCormorant Lake
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Grande Hills Lake Dam?
Grande Hills Lake 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 Grande Hills Lake Dam?
Grande Hills Lake Dam is owned by Grande Hills Estates Homeowners Assoc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Grande Hills Lake Dam?
Grande Hills 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 Grande Hills Lake Dam?
Grande Hills Lake Dam has a dam height of 15 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 Grande Hills Lake Dam last inspected?
Grande Hills Lake Dam was last inspected on December 14, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.