Floyd River at Alton, IA

Sioux County, Iowa · USGS gauge 06600100 · NWS ALTI4 · Floyd River flood status · Iowa river levels

Is Floyd River at Alton, IA flooding right now?

No — Floyd River at Alton, IA is at 5.52 ft, 6.5 ft below its 12 ft flood stage, as of 34 min ago.

Gauge height
5.52 ft
as of 34 min ago
Streamflow
27 cfs
data refreshed 3 min ago

Minor flooding here begins at 12 ft, with major flooding at 22 ft. The highest crest on record was 26.81 ft on Sat, Jun 22, 2024.

Flood stages at this gauge

CategoryStageCurrent distance
Action10 ft4.5 ft below
Minor flood12 ft6.5 ft below
Moderate flood16 ft10.5 ft below
Major flood22 ft16.5 ft below

Highest crests on record

StageDate
26.81 ft2024-06-22
21.96 ft2018-09-20
20.87 ft2019-03-14
20.5 ft2018-06-21
19.19 ft2013-05-27

Last 7 days

Past 7 days · 5.52–5.91 ft

Nearby gauges

GaugeDistanceCounty
West Branch Floyd River near Struble, IA9.8 miSioux County
Little Floyd River near Sanborn, IA19.7 miO'Brien County
Burr Oak Creek near Perkins, IA20.2 miSioux County
Rock River near Rock Valley, IA21.9 miSioux County
Perry Creek near Millnerville, IA27.3 miPlymouth County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast