Hein
Key Takeaway
Hein is classified as low hazard in California. It was completed in 1962 and is 64 years old. Its primary use is water supply.
Physical Details
| Dam Height | 16 ft (taller than 9.6% in CA) |
| Dam Length | 1,250 ft |
| Dam Type | Earth |
| Max Storage | 145 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1962 (64 years old) |
| NID ID | CA01003 |
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
Naki, Inc.
Private
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High Hazard 43 ftFrequently Asked Questions
What is the hazard classification of Hein?
Hein 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 Hein?
Hein is owned by Naki, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hein built?
Hein was completed in 1962, making it 64 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 Hein?
Hein serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hein?
Hein has a dam height of 16 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 Hein last inspected?
Hein was last inspected on April 18, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.