Engdall Reservoir #1
Engdall Reservoir #1 is an earth dam located in Garfield County, Montana, built in 1937. It carries a Low hazard potential classification.
About Engdall Reservoir #1
The primary purpose of Engdall Reservoir #1 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 Lester Engdahl (private). It impounds the Hell Creek.
The dam stands 30 feet tall and stretches 400 feet across, has a maximum storage capacity of 175 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1937, 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 | Garfield |
| Nearest City | None |
| River/Stream | Hell Creek |
| Coordinates | 47.52770, -107.11170 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 400 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 175 acre-ft |
| Max Storage | 175 acre-ft |
| Normal Storage | 104 acre-ft |
| Drainage Area | 6 sq mi |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | LESTER ENGDAHL |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00469 |
| Federal ID | MT00469 |
| More Info | State Dam Safety Program |