Apogee
Key Takeaway
Apogee is classified as low hazard in Montana. It was completed in 1965 and is 61 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 30 ft (taller than 82.7% in MT) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 124 acre-ft |
| Normal Storage | 63 acre-ft |
| Year Completed | 1965 (61 years old) |
| NID ID | MT03440 |
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
HILLDALE COLONY
Private
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What is the hazard classification of Apogee?
Apogee 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 Apogee?
Apogee is owned by HILLDALE COLONY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Apogee built?
Apogee was completed in 1965, making it 61 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 Apogee?
Apogee 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 Apogee?
Apogee 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.