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Hydrograph River at a Glance Download
Vermillion River near Wakonda Stage (ft)Flow (cfs)South Dakota DANRWKAS2(plotting HGIRG) Graph Created (12:04PM Feb 4, 2023)Flood Stage is 14 ft
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Tabular Data (CST)
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Datum: NGVD29
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts for the Vermillion River near Wakonda are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Davis Upstream Gauge Downstream Gauge Downstream Gauge - at Vermillion
Flood Categories (in feet)
Major Flood Stage: 17
Moderate Flood Stage: 15.5
Flood Stage: 14
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 18.11 ft on 03/15/2019
(2) 17.62 ft on 06/23/1984
(3) 17.60 ft on 03/17/2010
(4) 17.50 ft on 06/25/2018
(5) 17.38 ft on 03/20/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.10 ft on 03/09/2020
(2) 18.11 ft on 03/15/2019
(3) 17.50 ft on 06/25/2018
(4) 12.64 ft on 05/01/2017
(5) 16.72 ft on 05/17/2016
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
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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
19.5 water reaches the bottom of the bridge on 461st Avenue near Lodi, and the highest levees will be overtopped.
19 the bridge on 302nd Street 1 mile east of Colfax Corner is overtopped.
18.5 the bridge on highway 19 near Lodi, and the bridge on 461st Avenue northeast of Colfax Corner, are both overtopped.
18 water reaches the bottom of the bridge on 303rd Street between Lodi and Colfax Corner.
17.5 the bridge on 304th Street west of Dalesburg is overtopped.
17 Highway 19 south of Centerville is flooded. Water reaches the bottom of the bridge on 302nd Street east of Colfax Corner, and many of the levees will start to be overtopped with approximately 25000 acres flooded between Davis and Vermillion.
16.5 water reaches the bottom of the bridge on 461st Avenue northeast of Colfax Corner, and major flooding of agricultural land south of Davis begins.
16 water reaches the bottom of the bridge on 304th Street west of Dalesburg, Highway 19 near 299th Street begins to flood, 302nd Street near Colfax Corner will be flooded, and approximately 10000 acres could be flooded between Centerville and Vermillion.
15.5 water reaches the bottom of the bridge on highway 19 near Lodi, and 306th Street near Hub City will flood along with several other county roads.
15 Highway 19 south of Centerville could start flooding if the levees fail.
14 minor flooding of low lying areas begins in non-leveed areas and some agricultural land will flood if the levees fail.
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(2) Downstream View
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Latitude: 42.990278° N, Longitude: 96.963333° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 14 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 1150.90 1164.90 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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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
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Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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