Es-tech At-7
Es-tech At-7 is an earth dam located in Polk County, Florida, built in 1959. It carries a Low hazard potential classification.
About Es-tech At-7
The primary purpose of Es-tech At-7 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 Whidden Creek near Bowling Green.
The dam stands 23 feet tall and stretches 14,520 feet across, creates a reservoir covering 65 acres, and has a maximum storage capacity of 1,500 acre-feet. Completed in 1959, 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.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Bowling Green |
| River/Stream | Whidden Creek |
| Coordinates | 27.71000, -81.83000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 14,520 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 1,500 acre-ft |
| Max Storage | 1,500 acre-ft |
| Normal Storage | 1,200 acre-ft |
| Surface Area | 65 acres |
Ownership & Safety
| Purpose | Tailings |
| Owner | THE MOSAIC COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00635 |
| Federal ID | FL00635 |
| More Info | State Dam Safety Program |