Hammonasset Dam
Connecticut — New Haven County — HAMMONASSET RIVER
Location
| State | Connecticut |
| County | New Haven |
| River | HAMMONASSET RIVER |
| Coordinates | 41.35815, -72.61253 |
Physical Characteristics
| NID Height | 63 ft |
| Dam Height | 63 ft |
| Dam Length | 447 ft |
| NID Storage | 4,300 acre-ft |
| Max Storage | — |
| Surface Area | 280 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | October 16, 2024 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1956 |
| Primary Purpose | Water Supply |
| Dam Type | Concrete |
| Owner Type | Public Utility |
| Owner | South Central CT RWA |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.