Merrimack River, Massachusetts — flow & river levels

1 streamgage on the Merrimack River. Open a gage for live 15-minute flow, charts, percentiles and history.

Gage	Station	Latest daily mean
Merrimack River Bl Concord River At Lowell, Ma	USGS NWIS 01100000	3,247.3 CFS Oct 15

Other Massachusetts rivers

• Charles River4
• Ware River4
• Connecticut River3
• Green River3
• Housatonic River3
• Millers River3
• Deerfield River2
• Herring River2
• Hoosic River2
• Ipswich River2
• Mill Brook2
• Mill River2

← All Massachusetts rivers