Merrimack River
NORMAL117-mile river flowing through New Hampshire and Massachusetts.
Current Flow4,800 cfs
Gauge Height43.09 ft
30-Day Min4,800 cfs
30-Day Max16,700 cfs
30-Day Avg7,406 cfs
Flow Trend (30 Days)
Gauge Information
| Site Name | MERRIMACK RIVER BL CONCORD RIVER AT LOWELL, MA |
| Site Code | 01100000 |
| State | NH |
| Coordinates | 42.8, -71.1 |
| Data Points | 30 |