Wagner Lake Dam
Wagner Lake Dam is an earth dam located in Warren County, Missouri, built in 1966. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Wagner Lake Dam
The primary purpose of Wagner Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Jeff& Janet Butcher (private). It impounds the Tr Hearse Creek near Marthasville.
The dam stands 55 feet tall and stretches 400 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 06/22/2021.
At 55 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Missouri |
| County | Warren |
| Nearest City | Marthasville |
| River/Stream | Tr Hearse Creek |
| Coordinates | 38.72530, -91.14666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 55 ft |
| Dam Height | 42 ft |
| Dam Length | 400 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 720 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | JEFF& JANET BUTCHER |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/22/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO11893 |
| Federal ID | MO11893 |
| More Info | State Dam Safety Program |