Twin Forks (dawson)
Twin Forks (dawson) is an earth dam located in Dawson County, Montana, built in 1961. It carries a Low hazard potential classification.
About Twin Forks (dawson)
The primary purpose of Twin Forks (dawson) is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Cedar Creek Grazing Assoc (private). It impounds the Tr-labell Ditch near Glendive.
The dam stands 35 feet tall and stretches 220 feet across, and has a maximum storage capacity of 218 acre-feet. Completed in 1961, 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.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Montana |
| County | Dawson |
| Nearest City | Glendive |
| River/Stream | Tr-labell Ditch |
| Coordinates | 46.89260, -104.58890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 220 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 218 acre-ft |
| Max Storage | 218 acre-ft |
| Normal Storage | 124 acre-ft |
| Max Discharge | 952 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CEDAR CREEK GRAZING ASSOC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00638 |
| Federal ID | MT00638 |
| More Info | State Dam Safety Program |