Castor
Key Takeaway
Castor is classified as low hazard in Montana. It was completed in 1914 and is 112 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 30 ft (taller than 82.7% in MT) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 92 acre-ft |
| Normal Storage | 60 acre-ft |
| Year Completed | 1914 (112 years old) |
| NID ID | MT03630 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
INGWALD J PETERSON
Private
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Significant Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Castor?
Castor is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Castor?
Castor is owned by INGWALD J PETERSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Castor built?
Castor was completed in 1914, making it 112 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Castor?
Castor serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Castor?
Castor has a dam height of 30 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.