Harvey Lake
Key Takeaway
Harvey Lake is classified as significant hazard in Montana. It was completed in 1941 and is 85 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 77.8% in MT) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 1.9K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 114 acres |
| Year Completed | 1941 (85 years old) |
| NID ID | MT01053 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
FARMERS COOP CANAL CO
Private
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Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Harvey Lake?
Harvey Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Harvey Lake?
Harvey Lake is owned by FARMERS COOP CANAL CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harvey Lake built?
Harvey Lake was completed in 1941, making it 85 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 Harvey Lake?
Harvey Lake serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harvey Lake?
Harvey Lake has a dam height of 26 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.