CONTOOCOOK R BL HOPKINTON DAM AT W HOPKINTON, NH

HOPKINTON, NH43.1929°N, -71.7473°W Updated 10 hr ago

FLOW RATE

158cfs

GAUGE HT

1.69ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

158cfs 26.0% vs avg

Optimal band: 176–238 cfs

PERIOD HIGH

829cfs

PERIOD LOW

156cfs

RUNNABLE

26%

last 30 day in band

Gauge Height

1.69ft

Precipitation History

Your History · CONTOOCOOK R BL HOPKINTON DAM AT W HOPKINTON, NH

Track your history

Sign in to track your sessions at CONTOOCOOK R BL HOPKINTON DAM AT W HOPKINTON, NH — best days, monthly trends, and time on the water.

43.1929, -71.7473

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC

Site #01085500·USGS

Create a free account to save favorites, set flow alerts, and track conditions