Mallen Lake Dam
Mallen Lake Dam is an earth dam located in Clinton County, Missouri, built in 1979. It carries a Low hazard potential classification.
About Mallen Lake Dam
The primary purpose of Mallen 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 Eugene Mallen (private). It impounds the Tr-castille Creek near Platte City.
The dam stands 25 feet tall and stretches 445 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 125 acre-feet, and collects water from a drainage area of 90 square miles. Completed in 1979, the structure is 47 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 | Clinton |
| Nearest City | Platte City |
| River/Stream | Tr-castille Creek |
| Coordinates | 39.70000, -94.50000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 445 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 125 acre-ft |
| Max Storage | 125 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 90 sq mi |
| Max Discharge | 108 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | EUGENE MALLEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50074 |
| Federal ID | MO50074 |
| More Info | State Dam Safety Program |