Number Twenty Reservoir
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Phillips |
| Nearest City | NONE |
| River/Stream | TR-SECOND CREEK |
| Coordinates | 47.78890, -107.79780 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 300 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Normal Storage | 17 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | R EREAUX, ET AL |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |