Gibsonton (nw) is an earth dam located in Hillsborough, Florida. It carries a Significant hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 12,975 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 Gibsonton (nw)
The primary purpose of Gibsonton (nw) is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by The Mosaic Company (private). It impounds the Archie Creek near Gibsonton.
The dam stands 16 feet tall and stretches 12,975 feet across, creates a reservoir covering 238 acres, has a maximum storage capacity of 1,217 acre-feet, and collects water from a drainage area of 0 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Florida |
| County | Hillsborough |
| Nearest City | Gibsonton |
| River/Stream | Archie Creek |
| Coordinates | 27.87000, -82.38000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 11 ft |
| Dam Length | 12,975 ft |
Storage & Hydraulics
| NID Storage | 1,217 acre-ft |
| Max Storage | 1,217 acre-ft |
| Normal Storage | 800 acre-ft |
| Surface Area | 238 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 110 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Tailings |
| Owner | The Mosaic Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL10031 |
| Federal ID | FL10031 |
| More Info | State Dam Safety Program |