Harfo
Harfo is an earth dam located in Richland County, Montana, built in 1972. It carries a Low hazard potential classification.
About Harfo
The primary purpose of Harfo 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 Kenneth G Foss (private). It impounds the Tr-missouri River near Blair.
The dam stands 25 feet tall and stretches 100 feet across, has a maximum storage capacity of 76 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Richland |
| Nearest City | Blair |
| River/Stream | Tr-missouri River |
| Coordinates | 48.11060, -104.81090 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 100 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Normal Storage | 45 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 500 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | KENNETH G FOSS |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02458 |
| Federal ID | MT02458 |
| More Info | State Dam Safety Program |