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Hydrograph River at a Glance Download
Little Rock River near George Stage (ft)Observed: 1301.98 ft at 6:00PM Jan 07, 2022Observed: 1301.97 ft at 6:15PM Jan 07, 2022Observed: 1301.97 ft at 6:45PM Jan 07, 2022Observed: 1301.97 ft at 7:00PM Jan 07, 2022Observed: 1301.97 ft at 8:00PM Jan 07, 2022Observed: 1301.97 ft at 9:00PM Jan 07, 2022Observed: 1301.99 ft at 10:00PM Jan 07, 2022Observed: 1301.99 ft at 11:00PM Jan 07, 2022Observed: 1301.99 ft at 12:00AM Jan 08, 2022Observed: 1301.98 ft at 1:00AM Jan 08, 2022Observed: 1301.98 ft at 2:00AM Jan 08, 2022Observed: 1301.98 ft at 2:30AM Jan 08, 2022Observed: 1301.98 ft at 2:45AM Jan 08, 2022Observed: 1301.98 ft at 3:00AM Jan 08, 2022Observed: 1301.99 ft at 3:30AM Jan 08, 2022Observed: 1301.99 ft at 4:00AM Jan 08, 2022Observed: 1301.99 ft at 4:15AM Jan 08, 2022Observed: 1301.99 ft at 4:45AM Jan 08, 2022Observed: 1301.99 ft at 5:00AM Jan 08, 2022Observed: 1301.99 ft at 5:15AM Jan 08, 2022Observed: 1301.99 ft at 5:45AM Jan 08, 2022Observed: 1301.98 ft at 6:00AM Jan 08, 2022Observed: 1301.99 ft at 6:45AM Jan 08, 2022Observed: 1301.99 ft at 7:00AM Jan 08, 2022Observed: 1301.98 ft at 7:15AM Jan 08, 2022Observed: 1302 ft at 7:45AM Jan 08, 2022Observed: 1301.99 ft at 8:00AM Jan 08, 2022Observed: 1301.99 ft at 9:00AM Jan 08, 2022Observed: 1302 ft at 9:15AM Jan 08, 2022Observed: 1302.01 ft at 10:00AM Jan 08, 2022Observed: 1301.99 ft at 11:00AM Jan 08, 2022Observed: 1301.99 ft at 11:15AM Jan 08, 2022Observed: 1302 ft at 11:30AM Jan 08, 2022Observed: 1302 ft at 12:00PM Jan 08, 2022Observed: 1301.99 ft at 1:00PM Jan 08, 2022Observed: 1301.99 ft at 2:00PM Jan 08, 2022Observed: 1301.99 ft at 3:00PM Jan 08, 2022Observed: 1301.98 ft at 4:00PM Jan 08, 2022Observed: 1301.97 ft at 5:00PM Jan 08, 2022Observed: 1301.95 ft at 6:00PM Jan 08, 2022Observed: 1301.93 ft at 7:15PM Jan 08, 2022Observed: 1301.97 ft at 8:00PM Jan 08, 2022Observed: 1301.98 ft at 9:00PM Jan 08, 2022Observed: 1301.97 ft at 9:45PM Jan 08, 2022Observed: 1301.97 ft at 10:00PM Jan 08, 2022Observed: 1301.96 ft at 11:00PM Jan 08, 2022Observed: 1301.98 ft at 12:00AM Jan 09, 2022Observed: 1301.98 ft at 1:00AM Jan 09, 2022Observed: 1301.98 ft at 2:00AM Jan 09, 2022Observed: 1301.99 ft at 3:00AM Jan 09, 2022Observed: 1301.98 ft at 4:00AM Jan 09, 2022Observed: 1301.98 ft at 5:00AM Jan 09, 2022Observed: 1301.99 ft at 6:00AM Jan 09, 2022Observed: 1302 ft at 7:00AM Jan 09, 2022Observed: 1301.98 ft at 8:00AM Jan 09, 2022Observed: 1301.98 ft at 9:00AM Jan 09, 2022Observed: 1301.99 ft at 10:00AM Jan 09, 2022Observed: 1301.98 ft at 11:00AM Jan 09, 2022Observed: 1301.97 ft at 11:45AM Jan 09, 2022Observed: 1301.98 ft at 12:15PM Jan 09, 2022Observed: 1301.94 ft at 12:45PM Jan 09, 2022Observed: 1301.9 ft at 1:00PM Jan 09, 2022Observed: 1301.87 ft at 1:15PM Jan 09, 2022Observed: 1301.83 ft at 2:00PM Jan 09, 2022Observed: 1301.79 ft at 2:45PM Jan 09, 2022Observed: 1301.77 ft at 3:00PM Jan 09, 2022Observed: 1301.76 ft at 4:00PM Jan 09, 2022Observed: 1301.92 ft at 5:00PM Jan 09, 2022Observed: 1301.96 ft at 6:00PM Jan 09, 2022Observed: 1301.98 ft at 7:00PM Jan 09, 2022Observed: 1301.98 ft at 8:00PM Jan 09, 2022Observed: 1301.92 ft at 9:15PM Jan 09, 2022Observed: 1301.91 ft at 10:00PM Jan 09, 2022Observed: 1301.96 ft at 10:15PM Jan 09, 2022Observed: 1301.96 ft at 11:30PM Jan 09, 2022Observed: 1301.95 ft at 1:30AM Jan 10, 2022Observed: 1301.93 ft at 2:00AM Jan 10, 2022Observed: 1301.94 ft at 3:00AM Jan 10, 2022Observed: 1301.98 ft at 3:45AM Jan 10, 2022Observed: 1301.96 ft at 4:00AM Jan 10, 2022Observed: 1301.96 ft at 5:00AM Jan 10, 2022Observed: 1301.96 ft at 6:00AM Jan 10, 2022Observed: 1301.95 ft at 7:00AM Jan 10, 2022Observed: 1301.96 ft at 8:15AM Jan 10, 2022Observed: 1301.97 ft at 9:00AM Jan 10, 2022Observed: 1301.92 ft at 9:45AM Jan 10, 2022Observed: 1301.92 ft at 10:00AM Jan 10, 2022Observed: 1301.9 ft at 11:00AM Jan 10, 2022Observed: 1301.93 ft at 12:00PM Jan 10, 2022Observed: 1301.82 ft at 1:00PM Jan 10, 2022Observed: 1301.7 ft at 2:00PM Jan 10, 2022Observed: 1301.61 ft at 3:00PM Jan 10, 2022Observed: 1301.64 ft at 4:00PM Jan 10, 2022Observed: 1301.77 ft at 5:00PM Jan 10, 2022Observed: 1301.87 ft at 6:00PM Jan 10, 2022Observed: 1301.93 ft at 7:30PM Jan 10, 2022Observed: 1301.94 ft at 8:00PM Jan 10, 2022Observed: 1301.95 ft at 8:15PM Jan 10, 2022Observed: 1301.98 ft at 9:00PM Jan 10, 2022Observed: 1301.98 ft at 9:45PM Jan 10, 2022Observed: 1301.98 ft at 10:00PM Jan 10, 2022Observed: 1301.98 ft at 10:30PM Jan 10, 2022Observed: 1301.99 ft at 11:00PM Jan 10, 2022Observed: 1302 ft at 11:45PM Jan 10, 2022Observed: 1302 ft at 12:00AM Jan 11, 2022Observed: 1302 ft at 12:30AM Jan 11, 2022Observed: 1301.99 ft at 12:45AM Jan 11, 2022Observed: 1301.99 ft at 1:00AM Jan 11, 2022Observed: 1302 ft at 1:30AM Jan 11, 2022Observed: 1302 ft at 2:00AM Jan 11, 2022Observed: 1302.02 ft at 2:30AM Jan 11, 2022Observed: 1302.03 ft at 3:00AM Jan 11, 2022Observed: 1302.01 ft at 3:30AM Jan 11, 2022Observed: 1302.02 ft at 4:00AM Jan 11, 2022Observed: 1302.01 ft at 4:15AM Jan 11, 2022Observed: 1302 ft at 5:00AM Jan 11, 2022Observed: 1302.01 ft at 5:45AM Jan 11, 2022Observed: 1301.99 ft at 6:00AM Jan 11, 2022Observed: 1301.98 ft at 7:00AM Jan 11, 2022Observed: 1302.01 ft at 8:00AM Jan 11, 2022Observed: 1302.02 ft at 8:45AM Jan 11, 2022Observed: 1302.01 ft at 9:00AM Jan 11, 2022Observed: 1302.01 ft at 9:30AM Jan 11, 2022Observed: 1302.01 ft at 10:00AM Jan 11, 2022Observed: 1302.03 ft at 11:00AM Jan 11, 2022Observed: 1301.98 ft at 12:00PM Jan 11, 2022Observed: 1301.96 ft at 1:00PM Jan 11, 2022Observed: 1301.88 ft at 2:00PM Jan 11, 2022Observed: 1301.84 ft at 3:00PM Jan 11, 2022Observed: 1301.84 ft at 4:00PM Jan 11, 2022Observed: 1301.9 ft at 5:00PM Jan 11, 2022Observed: 1302 ft at 6:00PM Jan 11, 2022Observed: 1301.98 ft at 7:00PM Jan 11, 2022Observed: 1302.03 ft at 8:00PM Jan 11, 2022Observed: 1301.99 ft at 9:00PM Jan 11, 2022Observed: 1302 ft at 10:00PM Jan 11, 2022Observed: 1302.03 ft at 11:00PM Jan 11, 2022Observed: 1302.03 ft at 12:00AM Jan 12, 2022Observed: 1302.05 ft at 1:00AM Jan 12, 2022Highest Observation: 1302.08 ft at 2:00AM Jan 12, 2022Observed: 1302.06 ft at 3:00AM Jan 12, 2022Observed: 1302 ft at 4:00AM Jan 12, 2022Observed: 1301.98 ft at 5:00AM Jan 12, 2022Observed: 1302.03 ft at 6:00AM Jan 12, 2022Observed: 1301.96 ft at 7:00AM Jan 12, 2022Observed: 1302.01 ft at 8:00AM Jan 12, 2022Highest Observation: 1302.08 ft at 9:00AM Jan 12, 2022Observed: 1302.07 ft at 10:00AM Jan 12, 2022Observed: 1302.06 ft at 11:00AM Jan 12, 2022Observed: 1302.07 ft at 12:00PM Jan 12, 2022Observed: 1302.04 ft at 1:00PM Jan 12, 2022Observed: 1301.92 ft at 2:00PM Jan 12, 2022Observed: 1301.88 ft at 3:00PM Jan 12, 2022Observed: 1301.94 ft at 4:00PM Jan 12, 2022Observed: 1301.97 ft at 5:00PM Jan 12, 2022Observed: 1301.95 ft at 6:00PM Jan 12, 2022Observed: 1301.98 ft at 7:00PM Jan 12, 2022Observed: 1301.99 ft at 8:00PM Jan 12, 2022Observed: 1301.99 ft at 9:00PM Jan 12, 2022Observed: 1302.05 ft at 10:00PM Jan 12, 2022Observed: 1302.05 ft at 11:00PM Jan 12, 2022Observed: 1302.05 ft at 12:00AM Jan 13, 2022Observed: 1302 ft at 1:00AM Jan 13, 2022Observed: 1301.98 ft at 2:00AM Jan 13, 2022Observed: 1301.95 ft at 3:00AM Jan 13, 2022Observed: 1301.99 ft at 4:00AM Jan 13, 2022Observed: 1302.03 ft at 5:00AM Jan 13, 2022Observed: 1302.02 ft at 5:30AM Jan 13, 2022Observed: 1302.03 ft at 6:00AM Jan 13, 2022Observed: 1302.02 ft at 7:00AM Jan 13, 2022Observed: 1302 ft at 8:00AM Jan 13, 2022Observed: 1302.06 ft at 9:00AM Jan 13, 2022Observed: 1302.05 ft at 10:00AM Jan 13, 2022Observed: 1302.04 ft at 11:00AM Jan 13, 2022Observed: 1302.03 ft at 12:00PM Jan 13, 2022Observed: 1301.99 ft at 1:00PM Jan 13, 2022Observed: 1301.89 ft at 2:00PM Jan 13, 2022Observed: 1301.81 ft at 3:00PM Jan 13, 2022Observed: 1301.98 ft at 4:00PM Jan 13, 2022Observed: 1302.01 ft at 5:00PM Jan 13, 2022Observed: 1302.01 ft at 6:00PM Jan 13, 2022Observed: 1302.02 ft at 7:00PM Jan 13, 2022Observed: 1302.02 ft at 8:00PM Jan 13, 2022Observed: 1302.02 ft at 9:00PM Jan 13, 2022Observed: 1301.99 ft at 10:00PM Jan 13, 2022Observed: 1302.01 ft at 11:00PM Jan 13, 2022Observed: 1302.02 ft at 12:00AM Jan 14, 2022Observed: 1302.03 ft at 1:00AM Jan 14, 2022Observed: 1302.04 ft at 1:45AM Jan 14, 2022Observed: 1302.04 ft at 2:00AM Jan 14, 2022Observed: 1302.04 ft at 3:00AM Jan 14, 2022Observed: 1302.04 ft at 4:00AM Jan 14, 2022Observed: 1302.05 ft at 5:00AM Jan 14, 2022Observed: 1302.05 ft at 6:00AM Jan 14, 2022Observed: 1302.05 ft at 7:00AM Jan 14, 2022Observed: 1302.04 ft at 8:00AM Jan 14, 2022Observed: 1302.04 ft at 9:00AM Jan 14, 2022Observed: 1302.04 ft at 10:00AM Jan 14, 2022Observed: 1302.01 ft at 11:00AM Jan 14, 2022Observed: 1302.02 ft at 12:00PM Jan 14, 2022Observed: 1301.99 ft at 1:00PM Jan 14, 2022Observed: 1301.99 ft at 2:00PM Jan 14, 2022Observed: 1302 ft at 3:00PM Jan 14, 2022Observed: 1301.98 ft at 4:00PM Jan 14, 2022Observed: 1302 ft at 5:00PM Jan 14, 2022Observed: 1302.01 ft at 6:00PM Jan 14, 2022Observed: 1302.02 ft at 7:00PM Jan 14, 2022Observed: 1302.02 ft at 8:00PM Jan 14, 2022Observed: 1302.03 ft at 9:00PM Jan 14, 2022Observed: 1302.02 ft at 10:00PM Jan 14, 2022Observed: 1302.02 ft at 11:00PM Jan 14, 2022Observed: 1302.01 ft at 11:45PM Jan 14, 2022Observed: 1302.02 ft at 12:15AM Jan 15, 2022Observed: 1302.03 ft at 1:00AM Jan 15, 2022Observed: 1302.03 ft at 2:00AM Jan 15, 2022Observed: 1302.02 ft at 3:00AM Jan 15, 2022Observed: 1302 ft at 4:15AM Jan 15, 2022Observed: 1301.99 ft at 5:00AM Jan 15, 2022Observed: 1302.01 ft at 6:00AM Jan 15, 2022Observed: 1302.01 ft at 7:00AM Jan 15, 2022Observed: 1301.94 ft at 8:00AM Jan 15, 2022Observed: 1301.95 ft at 9:00AM Jan 15, 2022Observed: 1301.99 ft at 10:00AM Jan 15, 2022Observed: 1301.95 ft at 10:45AM Jan 15, 2022Observed: 1301.94 ft at 11:00AM Jan 15, 2022Observed: 1301.9 ft at 12:00PM Jan 15, 2022Observed: 1301.74 ft at 1:00PM Jan 15, 2022Observed: 1301.62 ft at 2:00PM Jan 15, 2022Observed: 1301.65 ft at 3:00PM Jan 15, 2022Observed: 1301.66 ft at 4:00PM Jan 15, 2022Observed: 1301.72 ft at 5:00PM Jan 15, 2022Observed: 1301.86 ft at 6:15PM Jan 15, 2022Observed: 1301.86 ft at 7:00PM Jan 15, 2022Observed: 1302.02 ft at 8:00PM Jan 15, 2022Observed: 1302.01 ft at 9:00PM Jan 15, 2022Observed: 1302.02 ft at 10:00PM Jan 15, 2022Observed: 1302.05 ft at 11:00PM Jan 15, 2022Observed: 1302.04 ft at 12:00AM Jan 16, 2022Observed: 1302.03 ft at 1:00AM Jan 16, 2022Observed: 1302.05 ft at 2:00AM Jan 16, 2022Observed: 1302.06 ft at 3:00AM Jan 16, 2022Observed: 1302.05 ft at 3:15AM Jan 16, 2022Observed: 1302.07 ft at 4:00AM Jan 16, 2022Observed: 1302.04 ft at 5:00AM Jan 16, 2022Observed: 1302.04 ft at 6:00AM Jan 16, 2022Observed: 1302.07 ft at 7:00AM Jan 16, 2022Observed: 1302.06 ft at 8:00AM Jan 16, 2022Observed: 1302.04 ft at 9:00AM Jan 16, 2022Observed: 1302.01 ft at 9:30AM Jan 16, 2022Observed: 1301.99 ft at 10:00AM Jan 16, 2022Observed: 1302 ft at 11:00AM Jan 16, 2022Observed: 1302.02 ft at 12:00PM Jan 16, 2022Observed: 1301.96 ft at 1:00PM Jan 16, 2022Observed: 1301.98 ft at 2:00PM Jan 16, 2022Observed: 1301.9 ft at 3:00PM Jan 16, 2022Observed: 1302.01 ft at 4:00PM Jan 16, 2022Observed: 1302.03 ft at 5:00PM Jan 16, 2022Observed: 1302.04 ft at 6:00PM Jan 16, 2022Observed: 1302.04 ft at 7:00PM Jan 16, 2022Observed: 1302.04 ft at 8:00PM Jan 16, 2022Observed: 1302.02 ft at 9:00PM Jan 16, 2022Observed: 1302.02 ft at 10:00PM Jan 16, 2022Observed: 1302 ft at 11:00PM Jan 16, 2022Observed: 1302.01 ft at 12:00AM Jan 17, 2022Iowa Flood CenterLRGI4(plotting HGIRP) Graph Created (12:34AM Jan 17, 2022)ObservedLatest observed value: 1302.01 ft at 12:00 AM CST 17-Jan-2022. Flood Stage is 1311.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: No forecasts are available for this location

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts are not available for the Little Rock River near George. Only observed stages are available for this point.

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Downstream Gauge Downstream Gauge - at Rock Valley
Flood Categories (in feet)
Major Flood Stage: 1315.5
Moderate Flood Stage: 1313.5
Flood Stage: 1311.5
Action Stage: 1309.5
Low Stage (in feet): -9999

Historic Crests
(1) 1,304.08 ft on 07/08/2020

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,304.08 ft on 07/08/2020

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
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
1321.5 the bridge on 230th Street is overtopped.
1320.5 the bridge on Indian Avenue is overtopped, and water reaches the bottom of the bridge on 230th Street.
1319.5 the bridge on Hickory Avenue is overtopped.
1318.5 the bridge on Jackson Avenue is overtopped, and water reaches the bottom of the brige on Indian Avenue.
1317.5 water reaches the bottom of the bridge on Hickory Avenue, and Hickory Avenue begins to flood south of the bridge.
1316.5 water reaches the bottom of the bridge on Jackson Avenue.
1315.5 County Road L14, 230th Street, 240th Street, and Indian Avenue begin to flood, and water overtops the bridges on 250th Street and County Road L14.
1314.5 water reaches the bottom of the bridge on County Road L14 south of George.
1313.5 major agricultural flooding begins. Water reaches the bottom of the bridge on 250th Street, and 250th Street begins to flood east of the bridge.
1311.5 significant agricultural flooding begins.
1309.5 the lower banks overtop with some minor agricultural flooding.
1307.5 the lowest banks near County Road L14 south of George overtop with minor lowland flooding.
About This Location Collapse

Latitude: 43.325400° N, Longitude: 96.097000° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1311.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 0.00 1311.50 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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