M-4 Dam
M-4 Dam is an earth dam located in Lake County, Florida. It carries a Significant hazard potential classification and has a fair condition assessment.
About M-4 Dam
The primary purpose of M-4 Dam 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 near Leesburg.
The dam stands 17 feet tall and stretches 135 feet across, creates a reservoir covering 1,267 acres, and has a maximum storage capacity of 12,198 acre-feet.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/25/2016.
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Location
| State | Florida |
| County | Lake |
| Nearest City | Leesburg |
| River/Stream | Palatlakaha River |
| Coordinates | 28.71489, -81.88444 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 135 ft |
Storage & Hydraulics
| NID Storage | 12,198 acre-ft |
| Max Storage | 12,198 acre-ft |
| Normal Storage | 4,829 acre-ft |
| Surface Area | 1,267 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | LAKE COUNTY WATER AUTHORITY |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/25/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL20503 |
| Federal ID | FL20503 |
| More Info | State Dam Safety Program |