Rattlesnake #2 is an earth dam located in Wibaux County, Montana, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 300 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Rattlesnake #2
The primary purpose of Rattlesnake #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 Arthur M Peters (private). It impounds the Tr-beaver Creek near Wibaux.
The dam stands 15 feet tall and stretches 300 feet across, has a maximum storage capacity of 137 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1965, 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 | Wibaux |
| Nearest City | Wibaux |
| River/Stream | Tr-beaver Creek |
| Coordinates | 46.72495, -104.30913 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 300 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 137 acre-ft |
| Max Storage | 137 acre-ft |
| Normal Storage | 54 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Arthur M Peters |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01133 |
| Federal ID | MT01133 |
| More Info | State Dam Safety Program |