Alligator Lake Weir
Key Takeaway
Alligator Lake Weir is classified as significant hazard in Florida. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 9 ft (taller than 10.3% in FL) |
| Dam Length | 103 ft |
| Dam Type | Earth |
| Max Storage | 311 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 79 acres |
| Drainage Area | 8 sq mi |
| NID ID | FL78002 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
PINELLAS COUNTY
Local Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Alligator Lake Weir?
Alligator Lake Weir is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Alligator Lake Weir?
Alligator Lake Weir is owned by PINELLAS COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Alligator Lake Weir?
Alligator Lake Weir serves the following purposes: Flood Risk Reduction, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Alligator Lake Weir?
Alligator Lake Weir has a dam height of 9 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 Alligator Lake Weir last inspected?
Alligator Lake Weir was last inspected on March 31, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.