Grasmere South Dike
Key Takeaway
Grasmere South Dike is classified as low hazard in Idaho. It was completed in 1909 and is 117 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 11 ft (taller than 2.8% in ID) |
| Dam Length | 1,100 ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 213 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1909 (117 years old) |
| NID ID | ID00517 |
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
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Grasmere South Dike?
Grasmere South Dike 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 Grasmere South Dike?
Grasmere South Dike is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grasmere South Dike built?
Grasmere South Dike was completed in 1909, making it 117 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 Grasmere South Dike?
Grasmere South Dike 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 South Dike?
Grasmere South Dike 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 South Dike last inspected?
Grasmere South Dike was last inspected on August 27, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.