Harrison Street
Key Takeaway
Harrison Street is classified as high hazard in California. It was completed in 1954 and is 72 years old. Its primary use is flood risk reduction. 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 | 50 ft (taller than 59.1% in CA) |
| Dam Length | 760 ft |
| Dam Type | Earth |
| Max Storage | 208 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1954 (72 years old) |
| NID ID | CA00797 |
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
Riverside County Flood Control and Water Conservation District
Local Government
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High Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Harrison Street?
Harrison Street 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 Harrison Street?
Harrison Street is owned by Riverside County Flood Control and Water Conservation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harrison Street built?
Harrison Street was completed in 1954, making it 72 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 Harrison Street?
Harrison Street serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harrison Street?
Harrison Street has a dam height of 50 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 Harrison Street last inspected?
Harrison Street was last inspected on March 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.