The Pewter is an earth dam located in Toole County, Montana, built in 1925. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 500 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 The Pewter
The primary purpose of The Pewter is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by John K Nutter (private). It impounds the Alum Coulee near Kevin.
The dam stands 18 feet tall and stretches 500 feet across, and has a maximum storage capacity of 262 acre-feet. Completed in 1925, the structure is over a century 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 | Toole |
| Nearest City | Kevin |
| River/Stream | Alum Coulee |
| Coordinates | 48.78130, -111.83140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 500 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 262 acre-ft |
| Max Storage | 262 acre-ft |
| Normal Storage | 99 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | John K Nutter |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00417 |
| Federal ID | MT00417 |
| More Info | State Dam Safety Program |