PONKAPOAG BRK UPSTREAM RT 138,NR CANTON, MA

MASSACHUSETTS42.1903°N, -71.1144°W Updated 9 hr ago

FLOW RATE

8cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

8cfs

Optimal band: 7–9 cfs

PERIOD HIGH

16cfs

PERIOD LOW

1cfs

RUNNABLE

18%

last 30 day in band

Precipitation History

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42.1903, -71.1144

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

Site #011055525·USGS

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