Purple Water
Key Takeaway
Purple Water is classified as low hazard in Montana. It was completed in 1916 and is 110 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 44.5% in MT) |
| Dam Length | 210 ft |
| Dam Type | Earth |
| Max Storage | 94 acre-ft |
| Normal Storage | 38 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 90 cfs |
| Year Completed | 1916 (110 years old) |
| NID ID | MT03594 |
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
VIOLET BROADHURST
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Purple Water?
Purple Water 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 Purple Water?
Purple Water is owned by VIOLET BROADHURST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Purple Water built?
Purple Water was completed in 1916, making it 110 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 Purple Water?
Purple Water 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 Purple Water?
Purple Water has a dam height of 20 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.