Waterlands
St. Marys River
USGS · 04180988
ST. MARYS RIVER
USGS · 04180988LIVE

St. Marys River at Rockford OH

ROCKFORD, OH40.6948°N, -84.6466°W Updated 23 hr ago
FLOW RATE
43cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
43cfs 19.4% vs avg
Optimal band: 7298 cfs
PERIOD HIGH
443cfs
PERIOD LOW
32cfs
RUNNABLE
16%
last 30 day in band
Precipitation History
Your History · St. Marys River at Rockford OH

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Station Location

40.6948, -84.6466
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DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #04180988·USGS

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