Femme Osage Lake Dam
Missouri — St. Charles County — FEMME OSAGE
Location
| State | Missouri |
| County | St. Charles |
| River | FEMME OSAGE |
| Coordinates | 38.66134, -90.84639 |
Physical Characteristics
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 560 ft |
| NID Storage | 973 acre-ft |
| Max Storage | 973 acre-ft |
| Surface Area | 72 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | April 19, 2023 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1980 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Other Name | Essen Lake Dam (Was) |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.