Fish Barrier
Key Takeaway
Fish Barrier is classified as low hazard in California. It was completed in 1964 and is 62 years old. Its primary use is water supply.
Physical Details
| Dam Height | 61 ft (taller than 68.4% in CA) |
| Dam Length | 600 ft |
| Dam Type | Concrete |
| Max Storage | 580 acre-ft |
| Normal Storage | 580 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 3,611 sq mi |
| Max Discharge | 80,000 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | CA00034 |
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
California Department of Water Resources
State Government
Nearby Dams
Thermalito Diversion
Butte, CA
High Hazard 143 ftThermalito Forebay
Butte, CA
High Hazard 91 ftA. L. Chaffin
Butte, CA
Low Hazard 65 ftBidwell Bar Canyon Saddle
Butte, CA
High Hazard 47 ftMiner'S Ranch
Butte, CA
High Hazard 55 ftCannon Ranch
Butte, CA
Significant Hazard 17 ftLake Wyandotte
Butte, CA
High Hazard 46 ftThermalito Afterbay
Butte, CA
High Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Fish Barrier?
Fish Barrier 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 Fish Barrier?
Fish Barrier is owned by California Department of Water Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fish Barrier built?
Fish Barrier was completed in 1964, making it 62 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 Fish Barrier?
Fish Barrier 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 Fish Barrier?
Fish Barrier has a dam height of 61 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 Fish Barrier last inspected?
Fish Barrier was last inspected on August 28, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.