Sa 4 S.r. is an earth dam located in Hamilton County, Florida, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 26,306 ft long, taller than 74% 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 Sa 4 S.r.
The primary purpose of Sa 4 S.r. 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 Suwanne River near White Springs.
The dam stands 32 feet tall and stretches 26,306 feet across, creates a reservoir covering 880 acres, has a maximum storage capacity of 21,500 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1968, the structure is well into its service life at over 50 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. 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.
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Location
| State | Florida |
| County | Hamilton |
| Nearest City | White Springs |
| River/Stream | Suwanne River |
| Coordinates | 30.45300, -82.79470 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 27 ft |
| Dam Length | 26,306 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 21,500 acre-ft |
| Max Storage | 21,500 acre-ft |
| Normal Storage | 19,360 acre-ft |
| Surface Area | 880 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 220 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | Pcs Phosphate |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/07/2005 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL10003 |
| Federal ID | FL10003 |
| More Info | State Dam Safety Program |