Tarrytown Waterworks Dam
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| County | Westchester |
| Nearest City | Elmsford |
| River/Stream | TR-SAW MILL RIVER |
| Coordinates | 41.08292, -73.83197 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 315 ft |
| Year Completed | 1897 (129 years old) |
Storage & Hydraulics
| NID Storage | 1,100 acre-ft |
| Max Storage | 1,100 acre-ft |
| Normal Storage | 890 acre-ft |
| Surface Area | 81 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 590 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | VILLAGE OF TARRYTOWN |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 01/02/2025 |
| Emergency Action Plan | Yes |