Big Lake
Significant Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Missoula |
| Nearest City | MISSOULA |
| River/Stream | TR-LAKE CREEK |
| Coordinates | 47.03974, -113.91598 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 440 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 621 acre-ft |
| Max Storage | 621 acre-ft |
| Normal Storage | 143 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 95 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF MISSOULA |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Last Inspection | 08/01/2017 |
| Emergency Action Plan | Not Required |