Round Valley
Key Takeaway
Round Valley is classified as significant hazard in California. It was completed in 1892 and is 134 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 45 ft (taller than 54% in CA) |
| Dam Length | 220 ft |
| Dam Type | Earth |
| Max Storage | 5.5K acre-ft |
| Surface Area | 420 acres |
| Drainage Area | 11 sq mi |
| Year Completed | 1892 (134 years old) |
| NID ID | CA00509 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
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 Round Valley?
Round Valley is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Round Valley?
Round Valley is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Round Valley built?
Round Valley was completed in 1892, making it 134 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 Round Valley?
Round Valley 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 Round Valley?
Round Valley has a dam height of 45 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 Round Valley last inspected?
Round Valley was last inspected on May 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.