Trinity Dam
New York — Westchester County — TR-MILL RIVER
Location
| State | New York |
| County | Westchester |
| River | TR-MILL RIVER |
| Coordinates | 41.21402, -73.55454 |
Physical Characteristics
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 300 ft |
| NID Storage | 3,700 acre-ft |
| Max Storage | 3,700 acre-ft |
| Surface Area | 110 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | February 5, 2025 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1966 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | AQUARION WATER COMPANY OF CT |
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.