Lake Deforest Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Rockland |
| Nearest City | West Nyack |
| River/Stream | HACKENSACK RIVER |
| Coordinates | 41.10620, -73.96746 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 1,330 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 36,362 acre-ft |
| Max Storage | 36,362 acre-ft |
| Normal Storage | 17,250 acre-ft |
| Surface Area | 900 acres |
| Drainage Area | 26 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Veolia Water NEW YORK, Inc. |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/10/2024 |
| Emergency Action Plan | Yes |