Little River Closure Dam is an earth dam located in Catahoula Parish, Louisiana, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 55 ft55 ft tall and 700 ft long, 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 Little River Closure Dam
The primary purpose of Little River Closure Dam is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by USACE - Vicksburg District (federal). It impounds the Little River near Jonesville.
The dam stands 55 feet tall and stretches 700 feet across, creates a reservoir covering 7,120 acres, has a maximum storage capacity of 149,300 acre-feet, and collects water from a drainage area of 2,921 square miles. Completed in 1972, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/20/2015. That was over 11 years ago.
At 55 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Louisiana |
| County | Catahoula |
| Nearest City | Jonesville |
| River/Stream | Little River |
| Coordinates | 31.57868, -91.97888 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 55 ft |
| Dam Length | 700 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 149,300 acre-ft |
| Max Storage | 149,300 acre-ft |
| Normal Storage | 123,700 acre-ft |
| Surface Area | 7,120 acres |
| Drainage Area | 2,921 sq mi |
| Max Discharge | 16,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Vicksburg District |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/20/2015 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | LA00174 |
| Federal ID | LA00174 |
| More Info | State Dam Safety Program |