Floyd River

Streamflow Hydrology Weather


Floyd River Levels

April 25 2024

1,613 ACRE-FT

Discharge Volume Today
-144.0 cfs (-15.05%) since yesterday
144.57% of Normal 2 Streamgauges

Total streamflow across the Floyd River was last observed at 813 cfs, and is expected to yield approximately 1,613 acre-ft of water today; about 145% of normal. River levels are high. Average streamflow for this time of year is 562 cfs, with recent peaks last observed on 2018-09-21 when daily discharge volume was observed at 20,400 cfs.

Maximum discharge along the river is currently at the Floyd River At James reporting a streamflow rate of 639 cfs. This is also the highest stage along the Floyd River, with a gauge stage of 10.28 ft at this location. This river is monitored from 2 different streamgauging stations along the Floyd River, the highest being situated at an altitude of 1,289 ft, the Floyd River At Alton.

Last Updated 2024-04-25
Streamflow 813.0 cfs
Percent of Normal 144.57%
Maximum 20,400.0 cfs
2018-09-21

About the floyd river


The Floyd River runs through Iowa and South Dakota, covering a length of 111 miles. It was named after Charles Floyd, a member of the Lewis and Clark Expedition who died near its banks in 1804. The river has experienced multiple flooding events over the years, causing significant damage to the surrounding areas. To prevent future flooding, several dams and reservoirs have been constructed, including the Union County Dam, the Akron Impoundment, and the Alcester Dam. These structures regulate water flow and provide a source of water for agriculture and recreation. The Floyd River basin is primarily used for farming, with crops such as corn and soybeans being grown in the fertile soil. The river also offers recreational activities such as fishing, tubing, and kayaking.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Floyd River At Alton
USGS 06600100
174 cfs 6.4 ft -31.23
Floyd River At James
USGS 06600500
639 cfs 10.28 ft -9.23

Peak Annual Discharge

Floyd River Maximum Total Discharge

Seasonal Comparison

Floyd River Year Over Year Discharge


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