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Hydrograph River at a Glance Download
Choteau Creek near Avon Stage (ft)Flow (kcfs)South Dakota DENRCBSS2(plotting HGIRG) Graph Created (3:04AM Mar 4, 2021)Flood Stage is 1235 ft
About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
NOTE: No forecasts are available for this location

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts are not available for the Choteau Creek near Avon. Only observed stages are available for this point.

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Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 13
Flood Stage: 12
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 13.93 ft on 06/12/1984
(2) 13.29 ft on 03/27/1987
(3) 13.11 ft on 05/08/1993
(4) 12.35 ft on 05/30/1995
(5) 12.02 ft on 06/13/1986
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.86 ft on 06/06/2008
(2) 3.50 ft on 04/04/2006
(3) 6.63 ft on 06/21/2005
(4) 4.16 ft on 07/06/2003
(5) 3.82 ft on 08/21/2002
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
15.5 The bridge at the gaging location on 308th Street is overtopped.
14 The bridge 1 mile north of the gage on 307th Street is overtopped, and the water reaches the bottom of the bridge at the gage on 308th Street.
12.5 The water reaches the bottom of the bridge 1 mile north of the gage on 307th Street.
12 Flooding of large amounts of pasture land begins.
10 Minor lowland flooding begins.
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 42.923333° N, Longitude: 98.105833° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 12 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 1290 ft 1302 ft  

Current/Historical Observations:

Additional Information Collapse
This gage has been discontinued
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 30-Oct-2020 4:09 PM
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