Grasmere East Dam
Key Takeaway
Grasmere East Dam is classified as significant hazard in Idaho. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 2.8% in ID) |
| Dam Length | 4,000 ft |
| Normal Storage | 453 acre-ft |
| Surface Area | 153 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 58 cfs |
| NID ID | ID00516 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Grasmere East Dam?
Grasmere East Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Grasmere East Dam?
Grasmere East Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Grasmere East Dam?
Grasmere East Dam 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 Grasmere East Dam?
Grasmere East Dam has a dam height of 11 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.
When was Grasmere East Dam last inspected?
Grasmere East Dam was last inspected on August 27, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.