Hanford
Hanford is an earth dam located in Chouteau County, Montana, built in 1962. It carries a Low hazard potential classification.
About Hanford
The primary purpose of Hanford 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 Rb/erma Murray (private). It impounds the Tr-missouri River near Fort Benton.
The dam stands 30 feet tall and stretches 186 feet across, has a maximum storage capacity of 40 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1962, 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 | Chouteau |
| Nearest City | Fort Benton |
| River/Stream | Tr-missouri River |
| Coordinates | 47.73240, -110.69970 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 186 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 23 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 38 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | RB/ERMA MURRAY |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00212 |
| Federal ID | MT00212 |
| More Info | State Dam Safety Program |