Occum
Key Takeaway
Occum is classified as low hazard in Connecticut. It was completed in 1900 and is 126 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 14 ft (taller than 54.3% in CT) |
| Dam Length | 520 ft |
| Dam Type | Masonry |
| Max Storage | 155 acre-ft |
| Normal Storage | 155 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 465 sq mi |
| Year Completed | 1900 (126 years old) |
| NID ID | CT00576 |
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 Norwich Department of Public Utilities
Local Government
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Significant Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Occum?
Occum 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 Occum?
Occum is owned by City of Norwich Department of Public Utilities (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Occum built?
Occum was completed in 1900, making it 126 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 Occum?
Occum serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Occum?
Occum has a dam height of 14 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 Occum last inspected?
Occum was last inspected on July 12, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.