Grubb Dam
Key Takeaway
Grubb Dam is classified as low hazard in Montana. Its primary use is irrigation.
Physical Details
| Dam Type | Earth |
| Max Storage | 104 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 10 acres |
| NID ID | MT04000 |
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
MARK GRUBB
Private
Frequently Asked Questions
What is the hazard classification of Grubb Dam?
Grubb Dam 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 Grubb Dam?
Grubb Dam is owned by MARK GRUBB (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Grubb Dam?
Grubb Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Grubb Dam last inspected?
Grubb Dam was last inspected on April 25, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.