Watt
Key Takeaway
Watt is classified as low hazard in Montana. It was completed in 1966 and is 60 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 44.5% in MT) |
| Dam Length | 410 ft |
| Dam Type | Earth |
| Max Storage | 68 acre-ft |
| Normal Storage | 38 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 500 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | MT02828 |
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
WATT INC
Private
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Watt?
Watt 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 Watt?
Watt is owned by WATT INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Watt built?
Watt was completed in 1966, making it 60 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 Watt?
Watt 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 Watt?
Watt 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.