Marathon Lake is an earth dam located in Smith County, Mississippi, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 1,620 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 Marathon Lake
The primary purpose of Marathon Lake is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Usda Fs (federal). It impounds the Ichusa Cr near Forest.
The dam stands 20 feet tall and stretches 1,620 feet across, has a maximum storage capacity of 643 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1962, 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. The most recent inspection on record was 06/07/2016. That was over 10 years ago.
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Location
| State | Mississippi |
| County | Smith |
| Nearest City | Forest |
| River/Stream | Ichusa Cr |
| Coordinates | 32.19620, -89.35730 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,620 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 643 acre-ft |
| Max Storage | 643 acre-ft |
| Normal Storage | 355 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 800 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/07/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS00953 |
| Federal ID | MS00953 |
| More Info | State Dam Safety Program |