Long Lake Dam is an earth dam located in Union County, Mississippi, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 55 ft55 ft tall, taller than 94% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Long Lake Dam
The primary purpose of Long Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is private-owned.
The dam stands 55 feet tall, and has a maximum storage capacity of 264 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 55 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Mississippi |
| County | Union |
| Coordinates | 34.49793, -88.88745 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 55 ft |
| Dam Height | 55 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 264 acre-ft |
| Max Storage | 264 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS01978 |
| Federal ID | MS01978 |
| More Info | State Dam Safety Program |