Dies Irae
Key Takeaway
Dies Irae is classified as low hazard in Montana. It was completed in 1961 and is 65 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 25 ft (taller than 70.3% in MT) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 93 acre-ft |
| Normal Storage | 55 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 180 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | MT03536 |
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
WALTER M OLSON
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Dies Irae?
Dies Irae 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 Dies Irae?
Dies Irae is owned by WALTER M OLSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dies Irae built?
Dies Irae was completed in 1961, making it 65 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 Dies Irae?
Dies Irae 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 Dies Irae?
Dies Irae has a dam height of 25 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.