North Lake C Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Herkimer |
| Nearest City | Atwell |
| River/Stream | TR-BLACK RIVER |
| Coordinates | 43.52167, -74.94000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 190 ft |
| Year Completed | 1850 (176 years old) |
Storage & Hydraulics
| NID Storage | 6,190 acre-ft |
| Max Storage | 6,190 acre-ft |
| Normal Storage | 5,480 acre-ft |
| Surface Area | 442 acres |
| Max Discharge | 5,590 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Navigation |
| Owner | New York State Canal Corporation |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/10/2025 |
| Emergency Action Plan | Yes |