Waterlands
Tappan Lake River
USACE · lrh:Tappan-Outflow.Flow.Inst.15Minutes.0.OBS
TAPPAN LAKE RIVER
USACE · lrh:Tappan-Outflow.Flow.Inst.15Minutes.0.OBSLIVE

Tappan Lake

HARRISON COUNTY, OH40.3558°N, -81.2261°W Updated 22 hr ago
FLOW RATE
8cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
8cfs
Optimal band: 7–9 cfs
PERIOD HIGH
8cfs
PERIOD LOW
8cfs
RUNNABLE
100%
last 7 day in band
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Station Location

40.3558, -81.2261
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DATA · USACE · NOAA · NWSUPDATED 2026-10-16 00:00 UTC
Site #lrh:Tappan-Outflow.Flow.Inst.15Minutes.0.OBS·USACE

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