Hassett #2
Hassett #2 is an earth dam located in Petroleum County, Montana, built in 1959. It carries a Low hazard potential classification.
About Hassett #2
The primary purpose of Hassett #2 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 Clinton R Hassett (private). It impounds the Tr-flatwillow Creek near Mosby.
The dam stands 15 feet tall and stretches 300 feet across, has a maximum storage capacity of 74 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, 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 | Petroleum |
| Nearest City | Mosby |
| River/Stream | Tr-flatwillow Creek |
| Coordinates | 46.91650, -108.21450 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 300 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 29 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | CLINTON R HASSETT |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02153 |
| Federal ID | MT02153 |
| More Info | State Dam Safety Program |