Diamond #1
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Custer |
| Nearest City | SHIRLEY |
| River/Stream | SPRING CREEK |
| Coordinates | 46.51970, -105.66260 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 200 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 20 acre-ft |
| Drainage Area | 5 sq mi |
| Max Discharge | 500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DIAMOND TWO RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |