Lock 4 - Stillwater
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | New York |
| County | Rensselaer |
| Nearest City | Stillwater |
| River/Stream | Hudson River |
| Coordinates | 42.93660, -73.65360 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 5 ft |
| Dam Height | 5 ft |
| Dam Length | 820 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 3,150 acre-ft |
| Max Storage | 3,150 acre-ft |
| Normal Storage | 3,150 acre-ft |
| Surface Area | 1,500 acres |
| Drainage Area | 3,745 sq mi |
| Max Discharge | 200,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | New York State Canal Corporation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/20/2022 |
| Emergency Action Plan | Yes |