Newlan Creek Dam
Key Takeaway
Newlan Creek Dam is classified as high hazard in Montana. It was completed in 1977 and is 49 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 112 ft (taller than 99.4% in MT) |
| Dam Length | 850 ft |
| Dam Type | Earth |
| Max Storage | 15.6K acre-ft |
| Normal Storage | 12.2K acre-ft |
| Surface Area | 317 acres |
| Drainage Area | 43 sq mi |
| Max Discharge | 4,260 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | MT01596 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
NEWLAN CREEK WATER DISTRICT
Local Government
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High Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Newlan Creek Dam?
Newlan Creek Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Newlan Creek Dam?
Newlan Creek Dam is owned by NEWLAN CREEK WATER DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Newlan Creek Dam built?
Newlan Creek Dam was completed in 1977, making it 49 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 Newlan Creek Dam?
Newlan Creek Dam 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 Newlan Creek Dam?
Newlan Creek Dam has a dam height of 112 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.
When was Newlan Creek Dam last inspected?
Newlan Creek Dam was last inspected on June 17, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.