Happy Jack #1
Happy Jack #1 is an earth dam located in Garfield County, Montana, built in 1950. It carries a Low hazard potential classification.
About Happy Jack #1
The primary purpose of Happy Jack #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 Bradley Dugdale (private). It impounds the Tr-sand Creek.
The dam stands 15 feet tall and stretches 275 feet across, and has a maximum storage capacity of 76 acre-feet. Completed in 1950, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Garfield |
| Nearest City | None |
| River/Stream | Tr-sand Creek |
| Coordinates | 47.25630, -106.98770 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 275 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Normal Storage | 34 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | BRADLEY DUGDALE |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02660 |
| Federal ID | MT02660 |
| More Info | State Dam Safety Program |