Colstrip Evaporation Pond Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Rosebud |
| Nearest City | COLSTRIP |
| River/Stream | TR-EAST FORK ARMELLS CREEK |
| Coordinates | 45.90760, -106.64710 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 88 ft |
| Dam Height | 88 ft |
| Dam Length | 1,840 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 3,834 acre-ft |
| Max Storage | 3,834 acre-ft |
| Normal Storage | 2,360 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 625 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | TALEN ENERGY |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/14/2014 |
| Emergency Action Plan | Yes |