Grant Lake Dam-north
Grant Lake Dam-north is a rockfill dam located in Buchanan County, Missouri, built in 1978. It carries a Low hazard potential classification.
About Grant Lake Dam-north
The primary purpose of Grant Lake Dam-north 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 Claude S Grant (private). It impounds the Tr-platte River near Platte City.
The dam stands 20 feet tall, creates a reservoir covering 10 acres, has a maximum storage capacity of 107 acre-feet, and collects water from a drainage area of 590 square miles. Completed in 1978, the structure is 48 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 | Buchanan |
| Nearest City | Platte City |
| River/Stream | Tr-platte River |
| Coordinates | 39.61617, -94.72297 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 107 acre-ft |
| Max Storage | 107 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 590 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CLAUDE S GRANT |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12117 |
| Federal ID | MO12117 |
| More Info | State Dam Safety Program |