Hilldale Colony
Key Takeaway
Hilldale Colony is classified as low hazard in Montana. It was completed in 1964 and is 62 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 16 ft (taller than 31.7% in MT) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 94 acre-ft |
| Normal Storage | 40 acre-ft |
| Drainage Area | 5 sq mi |
| Max Discharge | 300 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | MT00252 |
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
NORMAN/DONALD DEES
Private
Nearby Dams
Dees Brothers
Hill, MT
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Low Hazard 22 ftDaniel #1
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Low Hazard 20 ftRain Dancer
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Significant Hazard 18 ftBig Jugs
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Hilldale Colony?
Hilldale Colony 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 Hilldale Colony?
Hilldale Colony is owned by NORMAN/DONALD DEES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hilldale Colony built?
Hilldale Colony was completed in 1964, making it 62 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 Hilldale Colony?
Hilldale Colony 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 Hilldale Colony?
Hilldale Colony has a dam height of 16 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.