Waterlands
Rock River
USGS · 05437500
ROCK RIVER
USGS · 05437500LIVE

ROCK RIVER AT ROCKTON, IL

ILLINOIS42.4503°N, -89.0725°W Updated 23 hr ago
FLOW RATE
4,751cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
4,751cfs 10.8% vs avg
Optimal band: 5,195–7,029 cfs
PERIOD HIGH
8,738cfs
PERIOD LOW
3,890cfs
RUNNABLE
29%
last 30 day in band
Precipitation History
Your History · ROCK RIVER AT ROCKTON, IL

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Station Location

42.4503, -89.0725
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DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC
Site #05437500·USGS

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