Mortimer Lake is an earth dam located in Humphreys County, Mississippi, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 4,578 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 Mortimer Lake
Mortimer Lake is a dam in Humphreys, Mississippi. The dam is owned by G B Mortimer Jr (private). It impounds the Dry Creek Bayou -os near Midnight.
The dam stands 8 feet tall and stretches 4,578 feet across, and has a maximum storage capacity of 180 acre-feet. Completed in 1978, the structure is 48 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.
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Location
| State | Mississippi |
| County | Humphreys |
| Nearest City | Midnight |
| River/Stream | Dry Creek Bayou -os |
| Coordinates | 33.15146, -90.56745 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 4,578 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 180 acre-ft |
| Max Discharge | 14 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | G B Mortimer Jr |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS00311 |
| Federal ID | MS00311 |
| More Info | State Dam Safety Program |