Split Rock Creek at Corson, SD

Minnehaha County, South Dakota · USGS gauge 06482610 · NWS COSS2 · South Dakota river levels

Nearby: river levels near Sioux Falls

Is Split Rock Creek at Corson, SD flooding right now?

Split Rock Creek at Corson, SD measured 1.84 ft on 2026-09-11 00:45:00 UTC. That observation was 6.7 ft below its 8.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
1.84 ft
as of 79 min ago
Streamflow
18 cfs
data refreshed 2 min ago

Minor flooding here begins at 8.5 ft, with major flooding at 16 ft. The highest crest on record was 19.01 ft on Thu, Sep 12, 2019.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action7.5 ft5.7 ft below
Minor flood8.5 ft6.7 ft below
Moderate flood11 ft9.2 ft below
Major flood16 ft14.2 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
19.01 ft2019-09-12
17.58 ft1993-05-08
16.18 ft2024-06-22
16.16 ft2014-06-17
15.5 ft2010-09-24

Last 7 days

Past 7 days · 1.71–1.95 ft

Nearby gauges

GaugeDistanceCounty
Big Sioux River at North Cliff Ave at Sioux Falls, SD8.0 miMinnehaha County
Silver Creek at Sioux Falls, SD8.4 miMinnehaha County
Big Sioux River below Diversion at Sioux Falls, SD10.4 miMinnehaha County
Big Sioux River at Sioux Falls, SD12.1 miMinnehaha County
Skunk Creek at Sioux Falls, SD12.6 miMinnehaha 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