Lost Valley Lake Dam
High HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Missouri |
| County | Gasconade |
| Nearest City | WASHINGTON |
| River/Stream | TR-BIG BRCH-BOEUF CREEK |
| Coordinates | 38.47442, -91.38978 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 626 acre-ft |
| Max Storage | 626 acre-ft |
| Normal Storage | 455 acre-ft |
| Surface Area | 39 acres |
| Drainage Area | 1,300 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | RON DOLPH |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |