Structure 353 is a concrete dam located in Citrus County, Florida, built in 1962. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 61 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Structure 353
The primary purpose of Structure 353 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 Swfwmd (local government). It impounds the Canal 331 near Stokes Ferry.
The dam stands 18 feet tall and stretches 61 feet across, creates a reservoir covering 5,500 acres, and has a maximum storage capacity of 60,000 acre-feet. Completed in 1962, the structure is well into its service life at over 50 years old.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 11/22/2024.
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Location
| State | Florida |
| County | Citrus |
| Nearest City | Stokes Ferry |
| River/Stream | Canal 331 |
| Coordinates | 28.95000, -82.33000 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Height | 13 ft |
| Dam Length | 61 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 60,000 acre-ft |
| Max Storage | 60,000 acre-ft |
| Normal Storage | 57,750 acre-ft |
| Surface Area | 5,500 acres |
| Max Discharge | 725 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Swfwmd |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 11/22/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL18003 |
| Federal ID | FL18003 |
| More Info | State Dam Safety Program |