Janssen Lake Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Missouri |
| County | Franklin |
| Nearest City | WASHINGTON |
| River/Stream | TR TO ST JOHNS CREEK |
| Coordinates | 38.43795, -91.17361 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 96 acre-ft |
| Max Storage | 96 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 43 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | RICHARD JANSSEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |