Rainbow Reservoir Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Connecticut |
| County | Hartford |
| Nearest City | WINDSOR |
| River/Stream | FARMINGTON RIVER |
| Coordinates | 41.91530, -72.69366 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 1,310 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 9,400 acre-ft |
| Max Storage | 9,400 acre-ft |
| Normal Storage | 4,800 acre-ft |
| Surface Area | 234 acres |
| Drainage Area | 588 sq mi |
| Max Discharge | 101,000 cfs |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | The Farmington River Power Co. |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/07/2024 |
| Emergency Action Plan | Yes |