Porrini
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Lewis and Clark |
| Nearest City | NONE |
| River/Stream | TR-NORTH FORK WILLOW CREEK |
| Coordinates | 47.53900, -112.51790 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 1,045 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 217 acre-ft |
| Max Storage | 217 acre-ft |
| Normal Storage | 111 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DOLPHUS DAWSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |