Little Sni-a-bar #29 is an earth dam located in Lafayette County, Missouri, built in 1972. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 41 ft41 ft tall and 550 ft long, taller than 87% of U.S. dams with a recorded height. 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 Little Sni-a-bar #29
Little Sni-a-bar #29 is a dam in Lafayette, Missouri. The dam is owned by Little Sni-a-bar Watershed (local government). It impounds the Tr-little Sniabar Cr near Lexington.
The dam stands 41 feet tall and stretches 550 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 134 acre-feet, and collects water from a drainage area of 1 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 01/13/2021.
At 41 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Missouri |
| County | Lafayette |
| Nearest City | Lexington |
| River/Stream | Tr-little Sniabar Cr |
| Coordinates | 39.10519, -93.89870 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 550 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 712 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Little Sni-a-bar Watershed |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/13/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO11982 |
| Federal ID | MO11982 |
| More Info | State Dam Safety Program |