The Moonspinner
The Moonspinner is an earth dam located in Toole County, Montana, built in 1960. It carries a Low hazard potential classification.
About The Moonspinner
The primary purpose of The Moonspinner is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Wanken Farms (private). It impounds the Tr-marias River near Loma.
The dam stands 25 feet tall and stretches 125 feet across, and has a maximum storage capacity of 35 acre-feet. Completed in 1960, 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 | Toole |
| Nearest City | Loma |
| River/Stream | Tr-marias River |
| Coordinates | 48.46630, -111.96160 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 125 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Normal Storage | 21 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | WANKEN FARMS |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03625 |
| Federal ID | MT03625 |
| More Info | State Dam Safety Program |