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Visit for access to new EXPERIMENTAL products and services from the National Water Center: National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook and the National Water Center Visualization Services, a suite of geospatial services depicting River Forecast Center and National Water Model information.

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Hydrograph River at a Glance Download
Vermillion River near Chancellor Stage (ft)South Dakota DANRVRCS2(plotting HGIRG) Graph Created (7:34PM Feb 2, 2023)Flood Stage is 1290 ft
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Tabular Data (UTC)
Tabular Data (CST)
XML Data
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Datum: NAVD88
NOTE: No forecasts are available for this location

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts are not available for the Vermillion River near Chancellor. Only observed stages are available for this point.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - near Davis
Flood Categories (in feet)
Major Flood Stage: 1297
Moderate Flood Stage: 1294
Flood Stage: 1290
Action Stage: 1288
Low Stage (in feet): -9999

Historic Crests
(1) 1,282.81 ft on 07/01/2020

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,282.81 ft on 07/01/2020

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:16
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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
1300 Highway 44 begins to flood, and the highest banks and levees are overtopped.
1297 280th Street begins to flood, and water reaches the bottom of the bridge on Highway 44.
1294 major agricultural flooding begins, and the railroad near 276th Street is overtopped.
1291 the lower spots on 279th Street begin to flood.
1290 the bridge on 276th Street is overtopped, water reaches the bottom of the railroad bridge near 276th Street, and significant agricultural flooding begins.
1289 water reaches the bottom of the bridge on 279th Street.
1288 water reaches the bottom of the bridge on 270th Street, and the low water crossing east of the bridge on 276th floods.
1286 the lowest banks overflow with minor lowland flooding.
About This Location Collapse

Latitude: 43.372980° N, Longitude: 97.054430° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1290 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 0.00 1290.00 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 Not Available Not Available  
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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: 2-Nov-2020 7:29 PM
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