D'ewart
D'ewart is an earth dam located in Park County, Montana, built in 1951. It carries a Low hazard potential classification.
About D'ewart
The primary purpose of D'ewart is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by D'ewart Ranch Inc (private). It impounds the Canal From Flathead Creek near Wilsall.
The dam stands 10 feet tall and stretches 304 feet across, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1951, 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 | Park |
| Nearest City | Wilsall |
| River/Stream | Canal From Flathead Creek |
| Coordinates | 45.98347, -110.74848 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 304 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 40 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 150 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | D'EWART RANCH INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00333 |
| Federal ID | MT00333 |
| More Info | State Dam Safety Program |