Modesto Effluent Storage
Key Takeaway
Modesto Effluent Storage is classified as significant hazard in California. It was completed in 1987 and is 39 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 15.3% in CA) |
| Dam Length | 25,000 ft |
| Dam Type | Earth |
| Max Storage | 7.8K acre-ft |
| Surface Area | 596 acres |
| Year Completed | 1987 (39 years old) |
| NID ID | CA01286 |
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
City of Modesto
Local Government
Frequently Asked Questions
What is the hazard classification of Modesto Effluent Storage?
Modesto Effluent Storage 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 Modesto Effluent Storage?
Modesto Effluent Storage is owned by City of Modesto (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Modesto Effluent Storage built?
Modesto Effluent Storage was completed in 1987, making it 39 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 Modesto Effluent Storage?
Modesto Effluent Storage serves the following purposes: Water Supply, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Modesto Effluent Storage?
Modesto Effluent Storage has a dam height of 20 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 Modesto Effluent Storage last inspected?
Modesto Effluent Storage was last inspected on April 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.