Sa 9 S.c is an earth dam located in Hamilton County, Florida, built in 2005. It carries a Significant hazard potential classification.
Dam profile
NID height · 50 ft50 ft tall and 17,900 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Sa 9 S.c
The primary purpose of Sa 9 S.c 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 Pcs Phosphate (private). It impounds the Swift Creek near Ellaville.
The dam stands 50 feet tall and stretches 17,900 feet across, creates a reservoir covering 664 acres, has a maximum storage capacity of 30,000 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2005, the structure is relatively new.
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 09/07/2005. That was over 21 years ago.
At 50 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Florida |
| County | Hamilton |
| Nearest City | Ellaville |
| River/Stream | Swift Creek |
| Coordinates | 30.45228, -82.84589 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 45 ft |
| Dam Length | 17,900 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 30,000 acre-ft |
| Max Storage | 30,000 acre-ft |
| Normal Storage | 26,560 acre-ft |
| Surface Area | 664 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 200 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | Pcs Phosphate |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/07/2005 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL11024 |
| Federal ID | FL11024 |
| More Info | State Dam Safety Program |