Oscar #6
Oscar #6 is an earth dam located in Fallon County, Montana, built in 1964. It carries a Low hazard potential classification.
About Oscar #6
The primary purpose of Oscar #6 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Pennell Creek Ranch Inc (private). It impounds the Tr-pennel Creek near Mildred.
The dam stands 20 feet tall and stretches 300 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 243 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1964, the structure is well into its service life at over 50 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.
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Location
| State | Montana |
| County | Fallon |
| Nearest City | Mildred |
| River/Stream | Tr-pennel Creek |
| Coordinates | 46.51640, -104.56500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 243 acre-ft |
| Max Storage | 243 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,000 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | PENNELL CREEK RANCH INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02411 |
| Federal ID | MT02411 |
| More Info | State Dam Safety Program |