Nichols Cooling Pond Wb is an earth dam located in Polk County, Florida, built in 1990. It carries a Significant hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 4,305 ft long, taller than 59% 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 Nichols Cooling Pond Wb
The primary purpose of Nichols Cooling Pond Wb 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 Alafia River near Mulberry.
The dam stands 27 feet tall and stretches 4,305 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 500 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1990, the structure is 36 years old.
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 01/20/2006. That was over 20 years ago.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Mulberry |
| River/Stream | Alafia River |
| Coordinates | 27.87640, -82.04180 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 25 ft |
| Dam Length | 4,305 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 440 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 10 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | The Mosaic Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 01/20/2006 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL10112 |
| Federal ID | FL10112 |
| More Info | State Dam Safety Program |