Wastewater Storage
Key Takeaway
Wastewater Storage is classified as low hazard in California. It was completed in 1978 and is 48 years old. Its primary use is water supply.
Physical Details
| Dam Height | 75 ft (taller than 74.5% in CA) |
| Dam Length | 385 ft |
| Dam Type | Earth |
| Max Storage | 212 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1978 (48 years old) |
| NID ID | CA01137 |
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
City of Colfax
Local Government
Nearby Dams
Spring Valley Ranch
Placer, CA
High Hazard 39 ftRollins
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High Hazard 228 ftBoole
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Low Hazard 25 ftChicago Park Forebay
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Low Hazard 60 ftLake Theodore
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High Hazard 40 ftLake Combie
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High Hazard 95 ftMagnolia
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High Hazard 68 ftWinchester
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Significant Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Wastewater Storage?
Wastewater Storage 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 Wastewater Storage?
Wastewater Storage is owned by City of Colfax (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wastewater Storage built?
Wastewater Storage was completed in 1978, making it 48 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 Wastewater Storage?
Wastewater Storage serves the following purposes: Water Supply, Other, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wastewater Storage?
Wastewater Storage has a dam height of 75 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 Wastewater Storage last inspected?
Wastewater Storage was last inspected on January 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.