Shepaug
Housatonic River·
New Haven, Connecticut·
Built 1955·
Concrete·
138 ft tall
Physical Details
| Dam Height | 138 ft (taller than 99.8% in CT) |
| Dam Length | 1,412 ft |
| Dam Type | Concrete |
| Max Storage | 72.7K acre-ft |
| Normal Storage | 66.7K acre-ft |
| Surface Area | 1,870 acres |
| Drainage Area | 1,391 sq mi |
| Max Discharge | 162,000 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | CT00232 |
Safety Information
High Hazard
Loss of human life is likely if the dam fails
Emergency Action Plan: Yes
Last Inspection: July 27, 2022
State Regulated: No
Ownership
FirstLight Power Services LLC
Public Utility
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What is the hazard classification of Shepaug?
Shepaug is classified as High Hazard. Loss of human life is likely if the dam fails.
Who owns Shepaug?
Shepaug is owned by FirstLight Power Services LLC (Public Utility).
When was Shepaug last inspected?
Shepaug was last inspected on July 27, 2022.
When was Shepaug built?
Shepaug was completed in 1955, making it 71 years old.
Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.