Samuel P. Senior Dam
SAUGATUCK RIVER·
Fairfield, Connecticut·
Built 1941·
Concrete·
130 ft tall
Physical Details
| Dam Height | 130 ft (taller than 99.4% in CT) |
| Dam Length | 990 ft |
| Dam Type | Concrete |
| Max Storage | 42.0K acre-ft |
| Normal Storage | 36.8K acre-ft |
| Surface Area | 868 acres |
| Drainage Area | 35 sq mi |
| Max Discharge | 15,600 cfs |
| Year Completed | 1941 (85 years old) |
| NID ID | CT00108 |
Safety Information
High Hazard
Loss of human life is likely if the dam fails
Emergency Action Plan: Yes
Last Inspection: June 12, 2019
State Regulated: Yes
Regulatory Agency: DEEP
Ownership
Aquarion Water Company of Connecticut
Public Utility
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High Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Samuel P. Senior Dam?
Samuel P. Senior Dam is classified as High Hazard. Loss of human life is likely if the dam fails.
Who owns Samuel P. Senior Dam?
Samuel P. Senior Dam is owned by Aquarion Water Company of Connecticut (Public Utility).
When was Samuel P. Senior Dam last inspected?
Samuel P. Senior Dam was last inspected on June 12, 2019.
When was Samuel P. Senior Dam built?
Samuel P. Senior Dam was completed in 1941, making it 85 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.