Uhlmeyer Lake Dam
Uhlmeyer Lake Dam is an earth dam located in Lewis County, Missouri. It carries a Low hazard potential classification.
About Uhlmeyer Lake Dam
The primary purpose of Uhlmeyer Lake Dam 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 Bernard Uhlmeyer (private). It impounds the Tr-wyaconda River near La Grange.
The dam stands 25 feet tall, creates a reservoir covering 4 acres, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 200 square miles.
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.
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Location
| State | Missouri |
| County | Lewis |
| Nearest City | La Grange |
| River/Stream | Tr-wyaconda River |
| Coordinates | 40.18764, -91.60119 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 200 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BERNARD UHLMEYER |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12080 |
| Federal ID | MO12080 |
| More Info | State Dam Safety Program |