Felt Coulee Dam
Felt Coulee Dam is an earth dam located in Petroleum County, Montana, built in 1971. It carries a Low hazard potential classification.
About Felt Coulee Dam
The primary purpose of Felt Coulee Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Hans Marks (private). It impounds the Tr-box Elder Creek near Mosby.
The dam stands 19 feet tall and stretches 680 feet across, has a maximum storage capacity of 129 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, 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 | Petroleum |
| Nearest City | Mosby |
| River/Stream | Tr-box Elder Creek |
| Coordinates | 47.08550, -108.29650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 680 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 129 acre-ft |
| Max Storage | 129 acre-ft |
| Normal Storage | 96 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,000 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HANS MARKS |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02253 |
| Federal ID | MT02253 |
| More Info | State Dam Safety Program |