Rp Griffith #1
Rp Griffith #1 is an earth dam located in Musselshell County, Montana, built in 1963. It carries a Low hazard potential classification.
About Rp Griffith #1
The primary purpose of Rp Griffith #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Wm C Dana F. Milton Et Al (private). It impounds the Tr-north Willow Creek near Mosby.
The dam stands 19 feet tall and stretches 800 feet across, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1963, 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 | Musselshell |
| Nearest City | Mosby |
| River/Stream | Tr-north Willow Creek |
| Coordinates | 46.59740, -108.40650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 800 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 21 acre-ft |
| Drainage Area | 14 sq mi |
| Max Discharge | 2,300 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WM C DANA F. MILTON ET AL |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02222 |
| Federal ID | MT02222 |
| More Info | State Dam Safety Program |