North Lake A Dam (spillway)
Low HazardNot Rated ConditionEmergency Action Plan: Yes
Location
| County | Herkimer |
| Nearest City | Atwell |
| River/Stream | NORTH LAKE OUTLET |
| Coordinates | 43.52167, -74.94833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 160 ft |
| Year Completed | 1850 (176 years old) |
Storage & Hydraulics
| NID Storage | 2,208 acre-ft |
| Max Storage | 2,208 acre-ft |
| Normal Storage | 1,473 acre-ft |
| Surface Area | 442 acres |
| Drainage Area | 31 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | New York State Canal Corporation |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/10/2025 |
| Emergency Action Plan | Yes |