Spica
Spica is an earth dam located in Chouteau County, Montana, built in 1952. It carries a Low hazard potential classification.
About Spica
The primary purpose of Spica 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 Juedeman Grain (private). It impounds the Tr-flat Creek near Virgelle.
The dam stands 12 feet tall and stretches 300 feet across, and has a maximum storage capacity of 143 acre-feet. Completed in 1952, 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 | Chouteau |
| Nearest City | Virgelle |
| River/Stream | Tr-flat Creek |
| Coordinates | 47.72180, -110.04270 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 300 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 143 acre-ft |
| Max Storage | 143 acre-ft |
| Normal Storage | 18 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | JUEDEMAN GRAIN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03414 |
| Federal ID | MT03414 |
| More Info | State Dam Safety Program |