Re-regulating
Re-regulating is an earth dam located in Stillwater County, Montana, built in 1979. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Re-regulating
The primary purpose of Re-regulating is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Northwestern Energy (private). It impounds the West Rosebud Creek near Fishtail, Mt.
The dam stands 15 feet tall and stretches 410 feet across, creates a reservoir covering 49 acres, has a maximum storage capacity of 475 acre-feet, and collects water from a drainage area of 52 square miles. Completed in 1979, the structure is 47 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/29/2019.
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Location
| State | Montana |
| County | Stillwater |
| Nearest City | Fishtail, Mt |
| River/Stream | West Rosebud Creek |
| Coordinates | 45.25208, -109.70758 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 410 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 475 acre-ft |
| Max Storage | 475 acre-ft |
| Normal Storage | 470 acre-ft |
| Surface Area | 49 acres |
| Drainage Area | 52 sq mi |
| Max Discharge | 4,800 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | NorthWestern Energy |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/29/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT83001 |
| Federal ID | MT83001 |
| More Info | State Dam Safety Program |