Dredged Spoil Retention Area C is an earth dam located in Hillsborough, Florida, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 36 ft36 ft tall and 6,164 ft long, taller than 82% of U.S. dams with a recorded height. 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 Dredged Spoil Retention Area C
Dredged Spoil Retention Area C is a dam in Hillsborough, Florida. The dam is owned by Gardinier Inc. (private). It impounds the Alafia River near Gibsonton.
The dam stands 36 feet tall and stretches 6,164 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 155 acre-feet. Completed in 1978, the structure is 48 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Florida |
| County | Hillsborough |
| Nearest City | Gibsonton |
| River/Stream | Alafia River |
| Coordinates | 27.85000, -82.40000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 6,164 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 155 acre-ft |
| Max Storage | 155 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 24 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Gardinier Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00616 |
| Federal ID | FL00616 |
| More Info | State Dam Safety Program |