Janks Lake Dam is an earth dam located in Franklin County, Missouri, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 587 ft long, taller than 68% of U.S. dams with a recorded height. 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 Janks Lake Dam
The primary purpose of Janks Lake Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Erich Jank (private). It impounds the Tr-little Bourbeuse River near Noser Mill.
The dam stands 30 feet tall and stretches 587 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 83 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1970, 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 | Franklin |
| Nearest City | Noser Mill |
| River/Stream | Tr-little Bourbeuse River |
| Coordinates | 38.22622, -91.35586 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 587 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 83 acre-ft |
| Max Storage | 83 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 135 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Erich Jank |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30766 |
| Federal ID | MO30766 |
| More Info | State Dam Safety Program |