Larken
Larken is an earth dam located in St. Francois County, Missouri. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Larken
Larken is a dam in St. Francois, Missouri. The dam is private-owned. It impounds the Tr-big River near Blackwell.
The dam stands 62 feet tall and stretches 750 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 107 acre-feet, and collects water from a drainage area of 0 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/12/2023.
At 62 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Missouri |
| County | St. Francois |
| Nearest City | Blackwell |
| River/Stream | Tr-big River |
| Coordinates | 38.00191, -90.63858 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 62 ft |
| Dam Height | 62 ft |
| Dam Length | 750 ft |
Storage & Hydraulics
| NID Storage | 107 acre-ft |
| Max Storage | 107 acre-ft |
| Normal Storage | 107 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/12/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO31146 |
| Federal ID | MO31146 |
| More Info | State Dam Safety Program |