Norman #4 (Fergus)
Key Takeaway
Norman #4 (Fergus) is classified as low hazard in Montana. It was completed in 1945 and is 81 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 21 ft (taller than 61.7% in MT) |
| Dam Length | 1,060 ft |
| Dam Type | Earth |
| Max Storage | 101 acre-ft |
| Normal Storage | 71 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 137 cfs |
| Year Completed | 1945 (81 years old) |
| NID ID | MT00938 |
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
MILLARD M NORMAN
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Norman #4 (Fergus)?
Norman #4 (Fergus) 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 Norman #4 (Fergus)?
Norman #4 (Fergus) is owned by MILLARD M NORMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Norman #4 (Fergus) built?
Norman #4 (Fergus) was completed in 1945, making it 81 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 Norman #4 (Fergus)?
Norman #4 (Fergus) 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 Norman #4 (Fergus)?
Norman #4 (Fergus) has a dam height of 21 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.