MERRIMACK RIVER AT CONCORD, NH
USGSNew Hampshire (43.20897, -71.53035) · View on map
Current reading
2,630 CFS
Gauge height: 3.18 FT
Read about 1 hour ago · Aug 26, 2026 6:30 AM EDT
Flow history — last 6 days
No readings recorded in the last 6 days.
Runs on this gauge
No runs currently read this gauge.