Cop Storm Sewer Surge Area is an earth dam located in Polk County, Florida, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 3,200 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 Cop Storm Sewer Surge Area
The primary purpose of Cop Storm Sewer Surge Area 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 Unnamed Pond near Brewster.
The dam stands 12 feet tall and stretches 3,200 feet across, creates a reservoir covering 43 acres, and has a maximum storage capacity of 230 acre-feet. Completed in 1971, 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 | Brewster |
| River/Stream | Unnamed Pond |
| Coordinates | 27.75000, -81.97000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 3,200 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 230 acre-ft |
| Max Storage | 230 acre-ft |
| Normal Storage | 230 acre-ft |
| Surface Area | 43 acres |
Ownership & Safety
| Purpose | Tailings |
| Owner | The Mosaic Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00219 |
| Federal ID | FL00219 |
| More Info | State Dam Safety Program |