Little Sni-a-bar No. 1
Little Sni-a-bar No. 1 is an earth dam located in Lafayette County, Missouri, built in 1973. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Little Sni-a-bar No. 1
The primary purpose of Little Sni-a-bar No. 1 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Lafayette Soil & Water (local government). It impounds the Little Sni A Bar Creek near Lexington.
The dam stands 49 feet tall and stretches 1,200 feet across, creates a reservoir covering 105 acres, has a maximum storage capacity of 5,860 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1973, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/14/2021.
At 49 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Missouri |
| County | Lafayette |
| Nearest City | Lexington |
| River/Stream | Little Sni A Bar Creek |
| Coordinates | 39.06800, -93.90402 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Height | 49 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 5,860 acre-ft |
| Max Storage | 5,860 acre-ft |
| Normal Storage | 651 acre-ft |
| Surface Area | 105 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 12,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | LAFAYETTE SOIL & WATER |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/14/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO10480 |
| Federal ID | MO10480 |
| More Info | State Dam Safety Program |