Little Sni-a-bar Creek Dam 31 is an earth dam located in Lafayette County, Missouri, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 740 ft long, taller than 80% 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 Creek Dam 31
The primary purpose of Little Sni-a-bar Creek Dam 31 is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Ltl Sniabar Wrsd Sbdist (local government). It impounds the Tr-little Sni-a-bar Creek near Henrietta Mo.
The dam stands 35 feet tall and stretches 740 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 141 acre-feet, and collects water from a drainage area of 155 square miles. Completed in 1977, the structure is 49 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.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Missouri |
| County | Lafayette |
| Nearest City | Henrietta Mo |
| River/Stream | Tr-little Sni-a-bar Creek |
| Coordinates | 39.11153, -93.91141 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 33 ft |
| Dam Length | 740 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 141 acre-ft |
| Max Storage | 141 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 155 sq mi |
| Max Discharge | 200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Ltl Sniabar Wrsd Sbdist |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11978 |
| Federal ID | MO11978 |
| More Info | State Dam Safety Program |