West Polk A-10 is an earth dam located in Polk County, Florida, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 11,800 ft long, taller than 86% 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 West Polk A-10
The primary purpose of West Polk A-10 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by The Mosaic Company (private). It impounds the Unnamed Pond near Bradley.
The dam stands 40 feet tall and stretches 11,800 feet across, creates a reservoir covering 325 acres, and has a maximum storage capacity of 13,485 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.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Florida |
| County | Polk |
| Nearest City | Bradley |
| River/Stream | Unnamed Pond |
| Coordinates | 27.82000, -81.99000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 11,800 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 13,485 acre-ft |
| Max Storage | 13,485 acre-ft |
| Normal Storage | 13,485 acre-ft |
| Surface Area | 325 acres |
| Max Discharge | 27 cfs |
Ownership & Safety
| Purpose | Debris Control |
| Owner | The Mosaic Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00205 |
| Federal ID | FL00205 |
| More Info | State Dam Safety Program |