Christopher Columbus
Christopher Columbus is an earth dam located in Powell County, Montana, built in 1962. It carries a Low hazard potential classification.
About Christopher Columbus
The primary purpose of Christopher Columbus is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Zane Pilgram (private). It impounds the Tr-snowshoe Creek near Avon.
The dam stands 20 feet tall and stretches 300 feet across, and has a maximum storage capacity of 109 acre-feet. Completed in 1962, 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 | Powell |
| Nearest City | Avon |
| River/Stream | Tr-snowshoe Creek |
| Coordinates | 46.65190, -112.48890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 30 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ZANE PILGRAM |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03383 |
| Federal ID | MT03383 |
| More Info | State Dam Safety Program |