Lake Wintergreen Dam
Key Takeaway
Lake Wintergreen Dam is classified as high hazard in Connecticut. It was completed in 1863 and is 163 years old. Its primary use is water supply. 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 | 31 ft (taller than 89.2% in CT) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 540 acre-ft |
| Normal Storage | 307 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 850 cfs |
| Year Completed | 1863 (163 years old) |
| NID ID | CT00118 |
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
Connecticut DEEP
State Government
Nearby Dams
Lake Dawson Dam
New Haven, CT
High Hazard 50 ftLake Glen Dam
New Haven, CT
High Hazard 62 ftFarm Brook Pond Site 2b
New Haven, CT
High Hazard 28 ftLake Watrous Dam
New Haven, CT
High Hazard 51 ftFarm Brook Flood Control Site #2a Dam
New Haven, CT
High Hazard 29 ftConrad Pond Dam
New Haven, CT
High Hazard 22 ftSunset Lake
New Haven, CT
Significant Hazard 5 ftWest River Pond Dam
New Haven, CT
Significant Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Lake Wintergreen Dam?
Lake Wintergreen Dam 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 Lake Wintergreen Dam?
Lake Wintergreen Dam is owned by Connecticut DEEP (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Wintergreen Dam built?
Lake Wintergreen Dam was completed in 1863, making it 163 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 Lake Wintergreen Dam?
Lake Wintergreen Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Wintergreen Dam?
Lake Wintergreen Dam has a dam height of 31 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 Lake Wintergreen Dam last inspected?
Lake Wintergreen Dam was last inspected on October 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.