Merrimack River
FLOOD STAGE117-mile river flowing through New Hampshire and Massachusetts.
Current Flow25,500 cfs
Gauge Height47.84 ft
30-Day Min4,990 cfs
30-Day Max25,500 cfs
30-Day Avg8,422 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 |