Mashapaug Pond Dam #1 South
Key Takeaway
Mashapaug Pond Dam #1 South is classified as significant hazard in Connecticut. It was completed in 1900 and is 126 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 6 ft (taller than 8.7% in CT) |
| Dam Length | 60 ft |
| Dam Type | Concrete |
| Max Storage | 5.9K acre-ft |
| Normal Storage | 5.3K acre-ft |
| Surface Area | 273 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 200 cfs |
| Year Completed | 1900 (126 years old) |
| NID ID | CT00640 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Connecticut DEEP
State Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Mashapaug Pond Dam #1 South?
Mashapaug Pond Dam #1 South is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mashapaug Pond Dam #1 South?
Mashapaug Pond Dam #1 South is owned by Connecticut DEEP (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mashapaug Pond Dam #1 South built?
Mashapaug Pond Dam #1 South 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 Mashapaug Pond Dam #1 South?
Mashapaug Pond Dam #1 South serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mashapaug Pond Dam #1 South?
Mashapaug Pond Dam #1 South has a dam height of 6 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 Mashapaug Pond Dam #1 South last inspected?
Mashapaug Pond Dam #1 South was last inspected on May 27, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.