Elroy
Key Takeaway
Elroy is classified as low hazard in Montana. It was completed in 1960 and is 66 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 15 ft (taller than 18.8% in MT) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 55 acre-ft |
| Normal Storage | 22 acre-ft |
| Year Completed | 1960 (66 years old) |
| NID ID | MT02468 |
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
ELROY KITTLESON
Private
Nearby Dams
Leo
Richland, MT
Low Hazard 15 ftTrudell #1
Richland, MT
Low Hazard 10 ftDelaney
Richland, MT
Significant Hazard 16 ftC Sowle Reservoir #2
Richland, MT
Low Hazard 20 ftRobert Johnson
Richland, MT
Low Hazard 17 ftHarmon Reservoir
Roosevelt, MT
Low Hazard 15 ftA Peterson
Richland, MT
Low Hazard 10 ftPeterson (Richland)
Richland, MT
Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Elroy?
Elroy 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 Elroy?
Elroy is owned by ELROY KITTLESON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Elroy built?
Elroy 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 Elroy?
Elroy 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 Elroy?
Elroy has a dam height of 15 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.