Lake Mizzou Dam is an earth dam located in Lafayette County, Missouri, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 520 ft long. 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 Lake Mizzou Dam
The primary purpose of Lake Mizzou 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 H & W Meinershagen (private). It impounds the Tr-tabo Creek near Waverly.
The dam stands 21 feet tall and stretches 520 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1971, 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.
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Location
| State | Missouri |
| County | Lafayette |
| Nearest City | Waverly |
| River/Stream | Tr-tabo Creek |
| Coordinates | 39.10258, -93.75046 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 20 ft |
| Dam Length | 520 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | H & W Meinershagen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10281 |
| Federal ID | MO10281 |
| More Info | State Dam Safety Program |