Delaware and Raritan Canal at Port Mercer NJ

NEW JERSEY40.3044°N, -74.6850°W Updated 11 hr ago

FLOW RATE

143cfs

WATER TEMP

78°F

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

143cfs 0.8% vs avg

Optimal band: 122–166 cfs

PERIOD HIGH

160cfs

PERIOD LOW

141cfs

RUNNABLE

100%

last 30 day in band

Water Temperature

78.3°F

Precipitation History

Your History · Delaware and Raritan Canal at Port Mercer NJ

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40.3044, -74.6850

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

Site #01460440·USGS

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