Jackson Creek Spillway
Key Takeaway
Jackson Creek Spillway is classified as high hazard in California. Its primary use is water supply. 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 | 37 ft (taller than 41.5% in CA) |
| Dam Length | 1,360 ft |
| Dam Type | Earth |
| Max Storage | 198.0K acre-ft |
| Normal Storage | 190.0K acre-ft |
| Surface Area | 2,200 acres |
| NID ID | CA00164 |
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
East Bay Municipal Utility District
Public Utility
Nearby Dams
Jackson Creek
Amador, CA
High Hazard 193 ftIone Canal
Amador, CA
Low Hazard 48 ftGoffinet
Amador, CA
High Hazard 38 ftHenderson
Amador, CA
High Hazard 56 ftPreston Forebay
Amador, CA
Low Hazard 40 ftPond K
Amador, CA
Low Hazard 22 ftJohn Orr
Amador, CA
Low Hazard 20 ftPreston
Amador, CA
High Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Jackson Creek Spillway?
Jackson Creek Spillway 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 Jackson Creek Spillway?
Jackson Creek Spillway is owned by East Bay Municipal Utility District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Jackson Creek Spillway?
Jackson Creek Spillway serves the following purposes: Water Supply, Fish And Wildlife Pond, Recreation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jackson Creek Spillway?
Jackson Creek Spillway has a dam height of 37 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 Jackson Creek Spillway last inspected?
Jackson Creek Spillway was last inspected on September 12, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.