Femme Osage Lake Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Missouri |
| County | St. Charles |
| Nearest City | WELDON SPRINGS |
| River/Stream | FEMME OSAGE |
| Coordinates | 38.66134, -90.84639 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 560 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 973 acre-ft |
| Max Storage | 973 acre-ft |
| Normal Storage | 973 acre-ft |
| Surface Area | 72 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,975 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/19/2023 |
| Emergency Action Plan | Yes |