Hat Creek No. 2 Diversion
Key Takeaway
Hat Creek No. 2 Diversion is classified as low hazard in California. It was completed in 1943 and is 83 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 29 ft (taller than 29% in CA) |
| Dam Length | 120 ft |
| Dam Type | Concrete |
| Max Storage | 629 acre-ft |
| Normal Storage | 629 acre-ft |
| Surface Area | 89 acres |
| Drainage Area | 586 sq mi |
| Max Discharge | 1,490 cfs |
| Year Completed | 1943 (83 years old) |
| NID ID | CA00404 |
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
Pacific Gas and Electric Company
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Hat Creek No. 2 Diversion?
Hat Creek No. 2 Diversion 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 Hat Creek No. 2 Diversion?
Hat Creek No. 2 Diversion is owned by Pacific Gas and Electric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hat Creek No. 2 Diversion built?
Hat Creek No. 2 Diversion was completed in 1943, making it 83 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 Hat Creek No. 2 Diversion?
Hat Creek No. 2 Diversion serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hat Creek No. 2 Diversion?
Hat Creek No. 2 Diversion has a dam height of 29 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 Hat Creek No. 2 Diversion last inspected?
Hat Creek No. 2 Diversion was last inspected on July 25, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.