Nelson #2
Nelson #2 is an earth dam located in McCone County, Montana, built in 1960. It carries a Low hazard potential classification.
About Nelson #2
The primary purpose of Nelson #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 Lyle E Nelson (private). It impounds the Anderson Creek.
The dam stands 15 feet tall and stretches 1,700 feet across, has a maximum storage capacity of 83 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1960, 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 | McCone |
| Nearest City | None |
| River/Stream | Anderson Creek |
| Coordinates | 47.77410, -106.14410 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,700 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 83 acre-ft |
| Max Storage | 83 acre-ft |
| Normal Storage | 33 acre-ft |
| Drainage Area | 4 sq mi |
| Max Discharge | 800 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | LYLE E NELSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01553 |
| Federal ID | MT01553 |
| More Info | State Dam Safety Program |