Deveny Coulee Dam
Deveny Coulee Dam is an earth dam located in Treasure County, Montana, built in 1950. It carries a Low hazard potential classification.
About Deveny Coulee Dam
The primary purpose of Deveny Coulee Dam 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 Cole E Norris (private). It impounds the Deveny Coulee near Forsyth.
The dam stands 25 feet tall and stretches 400 feet across, has a maximum storage capacity of 23 acre-feet, and collects water from a drainage area of 3 square miles. 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 | Treasure |
| Nearest City | Forsyth |
| River/Stream | Deveny Coulee |
| Coordinates | 46.26143, -107.04933 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 400 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 23 acre-ft |
| Max Storage | 23 acre-ft |
| Normal Storage | 14 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 440 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | COLE E NORRIS |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02100 |
| Federal ID | MT02100 |
| More Info | State Dam Safety Program |