Active Normal USGS

Floyd River At Alton, IA

Updated August 3, 2026 at 10:00:00 AM CDT · Provisional · Site 06600100

Current conditions

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Hourly measurements

Detailed readings by hour, organized by day

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Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-06600100/ (may include cooperator information)