Costly Coulee Reservoir
Costly Coulee Reservoir is an earth dam located in Teton County, Montana, built in 1950. It carries a Low hazard potential classification.
About Costly Coulee Reservoir
The primary purpose of Costly Coulee Reservoir 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 Joyce K Robinson (private). It impounds the Tr-silverman Springs Coulee near Cordova.
The dam stands 15 feet tall and stretches 100 feet across, and has a maximum storage capacity of 55 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 | Teton |
| Nearest City | Cordova |
| River/Stream | Tr-silverman Springs Coulee |
| Coordinates | 47.70600, -112.12870 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 100 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 22 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | JOYCE K ROBINSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03389 |
| Federal ID | MT03389 |
| More Info | State Dam Safety Program |