Lake Vedra Dam is an earth dam located in St. Johns County, Florida. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 268 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lake Vedra Dam
The primary purpose of Lake Vedra Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Ponte Vedra Corp (private). It impounds the Guana River near Ponte Vedra Beach.
The dam stands 12 feet tall and stretches 268 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 282 acre-feet, and collects water from a drainage area of 2 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/10/2017.
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Location
| State | Florida |
| County | St. Johns |
| Nearest City | Ponte Vedra Beach |
| River/Stream | Guana River |
| Coordinates | 30.21889, -81.37354 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 268 ft |
Storage & Hydraulics
| NID Storage | 282 acre-ft |
| Max Storage | 282 acre-ft |
| Normal Storage | 84 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Ponte Vedra Corp |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/10/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL70004 |
| Federal ID | FL70004 |
| More Info | State Dam Safety Program |