Grizzly Creek
Key Takeaway
Grizzly Creek is classified as high hazard in California. It was completed in 1915 and is 111 years old. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 39 ft (taller than 44.4% in CA) |
| Dam Length | 163 ft |
| Dam Type | Gravity |
| Max Storage | 140 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 51 sq mi |
| Year Completed | 1915 (111 years old) |
| NID ID | CA00532 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Private Entity
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Grizzly Creek?
Grizzly Creek is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Grizzly Creek?
Grizzly Creek is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grizzly Creek built?
Grizzly Creek was completed in 1915, making it 111 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 Grizzly Creek?
Grizzly Creek serves the following purposes: Other, Irrigation, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Grizzly Creek?
Grizzly Creek has a dam height of 39 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 Grizzly Creek last inspected?
Grizzly Creek was last inspected on November 5, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.