Rainbow Reservoir Dam

Hartford County, Connecticut (near WINDSOR)

River/Stream: FARMINGTON RIVER

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
43 ft
Dam Length
1,310 ft
Reservoir Storage
9,400 acre-ft
Year Completed
1925
Primary Purpose
Hydroelectric
Owner Type
Public Utility
Max Discharge
101,000 cfs

Condition Assessment

SatisfactoryLast inspected: 2024-06-07

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Satisfactory — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
CT00039
State
Connecticut (CT)
Coordinates
41.91530, -72.69366
Age
101 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.