Raritan River below Calco Dam at Bound Brook NJ

NEW JERSEY40.5511°N, -74.5483°W Updated 17 hr ago

FLOW RATE

174cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

174cfs 67.8% vs avg

Optimal band: 132–178 cfs

PERIOD HIGH

487cfs

PERIOD LOW

93cfs

RUNNABLE

26%

last 30 day in band

Precipitation History

Your History · Raritan River below Calco Dam at Bound Brook NJ

Track your history

Sign in to track your sessions at Raritan River below Calco Dam at Bound Brook NJ — best days, monthly trends, and time on the water.

40.5511, -74.5483

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC

Site #01403060·USGS

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