Coronet No. 4a
Coronet No. 4a is an earth dam located in Hillsborough, Florida, built in 1930. It carries a Low hazard potential classification.
About Coronet No. 4a
Coronet No. 4a is a dam in Hillsborough, Florida. The dam is owned by The Mosaic Company (private). It impounds the English Creek near Plant City.
The dam stands 11 feet tall and stretches 2,500 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 104 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1930, the structure is well-established, with more than 75 years of service.
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 07/24/2003. That was over 22 years ago.
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Location
| State | Florida |
| County | Hillsborough |
| Nearest City | Plant City |
| River/Stream | English Creek |
| Coordinates | 28.01090, -82.08550 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 10 ft |
| Dam Length | 2,500 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 95 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | THE MOSAIC COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 07/24/2003 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | FL12003 |
| Federal ID | FL12003 |
| More Info | State Dam Safety Program |