Sea Ranch
Key Takeaway
Sea Ranch is classified as low hazard in California. It was completed in 1996 and is 30 years old. Its primary use is water supply.
Physical Details
| Dam Height | 61 ft (taller than 68.4% in CA) |
| Dam Length | 2,500 ft |
| Dam Type | Earth |
| Max Storage | 300 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1996 (30 years old) |
| NID ID | CA01411 |
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
The Sea Ranch Water Company
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Sea Ranch?
Sea Ranch 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 Sea Ranch?
Sea Ranch is owned by The Sea Ranch Water Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sea Ranch built?
Sea Ranch was completed in 1996, making it 30 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 Sea Ranch?
Sea Ranch serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sea Ranch?
Sea Ranch 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 Sea Ranch last inspected?
Sea Ranch was last inspected on February 4, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.