Autumn Lake Dam
High HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Missouri |
| County | Jefferson |
| Nearest City | IMPERIAL |
| River/Stream | TRIBUTARY TO ROCK CREEK |
| Coordinates | 38.39620, -90.45650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 81 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 346 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | AUTUMN LAKE DEVL. CO. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 09/08/1978 |
| Emergency Action Plan | Not Required |