Littlerock
Key Takeaway
Littlerock is classified as high hazard in California. It was completed in 1924 and is 102 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 | 124 ft (taller than 86.4% in CA) |
| Dam Length | 576 ft |
| Dam Type | Roller-Compacted Concrete |
| Max Storage | 4.6K acre-ft |
| Surface Area | 126 acres |
| Drainage Area | 64 sq mi |
| Year Completed | 1924 (102 years old) |
| NID ID | CA00237 |
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
Littlerock Creek Irrigation District
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Littlerock?
Littlerock 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 Littlerock?
Littlerock is owned by Littlerock Creek Irrigation District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Littlerock built?
Littlerock was completed in 1924, making it 102 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 Littlerock?
Littlerock serves the following purposes: Other, Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Littlerock?
Littlerock has a dam height of 124 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 Littlerock last inspected?
Littlerock was last inspected on June 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.