Herrick
Key Takeaway
Herrick is classified as low hazard in Wyoming. It was completed in 1946 and is 80 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 30 ft (taller than 63.1% in WY) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 146 acre-ft |
| Normal Storage | 87 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1946 (80 years old) |
| NID ID | WY00724 |
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
MILL IRON DIAMOND RANCH
Private
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Significant Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Herrick?
Herrick 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 Herrick?
Herrick is owned by MILL IRON DIAMOND RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Herrick built?
Herrick was completed in 1946, making it 80 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 Herrick?
Herrick 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 Herrick?
Herrick has a dam height of 30 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 Herrick last inspected?
Herrick was last inspected on April 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.