Ottun #3
Ottun #3 is an earth dam located in Big Horn County, Montana, built in 1950. It carries a Low hazard potential classification.
About Ottun #3
The primary purpose of Ottun #3 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 Floyd Warren Inc (private). It impounds the Ninemile Creek near Bighorn.
The dam stands 18 feet tall and stretches 250 feet across, and has a maximum storage capacity of 88 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.
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Location
| State | Montana |
| County | Big Horn |
| Nearest City | Bighorn |
| River/Stream | Ninemile Creek |
| Coordinates | 45.82230, -107.53040 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 250 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Max Storage | 88 acre-ft |
| Normal Storage | 42 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | FLOYD WARREN INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02092 |
| Federal ID | MT02092 |
| More Info | State Dam Safety Program |