Harlem Water Supply
Key Takeaway
Harlem Water Supply is classified as low hazard in Montana. It was completed in 1960 and is 66 years old. Its primary use is water supply.
Physical Details
| Dam Height | 8 ft (taller than 0.5% in MT) |
| Dam Length | 1,400 ft |
| Dam Type | Earth |
| Max Storage | 68 acre-ft |
| Normal Storage | 58 acre-ft |
| Year Completed | 1960 (66 years old) |
| NID ID | MT01462 |
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
CITY OF HARLEM
Local Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Harlem Water Supply?
Harlem Water Supply 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 Harlem Water Supply?
Harlem Water Supply is owned by CITY OF HARLEM (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harlem Water Supply built?
Harlem Water Supply was completed in 1960, making it 66 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 Harlem Water Supply?
Harlem Water Supply serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harlem Water Supply?
Harlem Water Supply has a dam height of 8 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.