Helen B Dent Dam is a gravity dam located in Carter County, Montana. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 37 ft37 ft tall and 1,261 ft long, taller than 83% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Helen B Dent Dam
Helen B Dent Dam is a dam in Carter, Montana. The dam is owned by Doi BLM (federal). It impounds the West Fork T. L. Creek.
The dam stands 37 feet tall and stretches 1,261 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 123 acre-feet, and collects water from a drainage area of 0 square miles.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/05/2018.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Montana |
| County | Carter |
| River/Stream | West Fork T. L. Creek |
| Coordinates | 45.29019, -104.72402 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 37 ft |
| Dam Length | 1,261 ft |
Storage & Hydraulics
| NID Storage | 123 acre-ft |
| Max Storage | 123 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Doi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/05/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02215 |
| Federal ID | MT02215 |
| More Info | State Dam Safety Program |