Null Dam
Key Takeaway
Null Dam is classified as significant hazard in California. It was completed in 1954 and is 72 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 54 ft (taller than 62.8% in CA) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 188 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 15 sq mi |
| Year Completed | 1954 (72 years old) |
| NID ID | CA00933 |
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
The Hatch 1987 Revocable Trust
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Null Dam?
Null 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 Null Dam?
Null Dam is owned by The Hatch 1987 Revocable Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Null Dam built?
Null Dam was completed in 1954, making it 72 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 Null Dam?
Null Dam serves the following purposes: Water Supply, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Null Dam?
Null Dam has a dam height of 54 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 Null Dam last inspected?
Null Dam was last inspected on February 23, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.