Westermark
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Toole |
| Nearest City | NONE |
| River/Stream | TR-MARIAS RIVER |
| Coordinates | 48.39570, -111.62050 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 360 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 131 acre-ft |
| Max Storage | 131 acre-ft |
| Normal Storage | 73 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 240 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | A V SWANBERG |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |