M-6a is an other dam located in Lake County, Florida, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 300 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 M-6a
The primary purpose of M-6a is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Lake County Water Authority (local government). It impounds the Palatlakaha River.
The dam stands 15 feet tall and stretches 300 feet across, creates a reservoir covering 200 acres, has a maximum storage capacity of 3,000 acre-feet, and collects water from a drainage area of 188 square miles. Completed in 1976, the structure is 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. The most recent inspection on record was 08/06/1980. That was over 46 years ago.
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Location
| State | Florida |
| County | Lake |
| Nearest City | None |
| River/Stream | Palatlakaha River |
| Coordinates | 28.64356, -81.87245 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 300 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 3,000 acre-ft |
| Max Storage | 3,000 acre-ft |
| Normal Storage | 2,400 acre-ft |
| Surface Area | 200 acres |
| Drainage Area | 188 sq mi |
| Max Discharge | 862 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lake County Water Authority |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/06/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | FL00707 |
| Federal ID | FL00707 |
| More Info | State Dam Safety Program |