Black Butte Reregulating
Key Takeaway
Black Butte Reregulating is classified as low hazard in California. It was completed in 1989 and is 37 years old. Its primary use is other.
Physical Details
| Dam Height | 25 ft (taller than 23.6% in CA) |
| Dam Length | 1,464 ft |
| Dam Type | Gravity |
| Max Storage | 52 acre-ft |
| Surface Area | 9 acres |
| Year Completed | 1989 (37 years old) |
| NID ID | CA01226 |
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
City of Santa Clara
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Black Butte Reregulating?
Black Butte Reregulating 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 Black Butte Reregulating?
Black Butte Reregulating is owned by City of Santa Clara (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Black Butte Reregulating built?
Black Butte Reregulating was completed in 1989, making it 37 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 Black Butte Reregulating?
Black Butte Reregulating serves the following purposes: Other, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Black Butte Reregulating?
Black Butte Reregulating has a dam height of 25 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 Black Butte Reregulating last inspected?
Black Butte Reregulating was last inspected on October 26, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.