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Hydrograph River at a Glance Download
Little Rock River near George Stage (ft)Observed: 1301.74 ft at 6:00PM Nov 17, 2021Observed: 1301.76 ft at 7:00PM Nov 17, 2021Observed: 1301.78 ft at 8:00PM Nov 17, 2021Observed: 1301.78 ft at 9:00PM Nov 17, 2021Observed: 1301.78 ft at 10:00PM Nov 17, 2021Observed: 1301.78 ft at 11:00PM Nov 17, 2021Observed: 1301.77 ft at 11:30PM Nov 17, 2021Observed: 1301.76 ft at 12:00AM Nov 18, 2021Observed: 1301.79 ft at 1:00AM Nov 18, 2021Observed: 1301.78 ft at 2:00AM Nov 18, 2021Observed: 1301.77 ft at 3:00AM Nov 18, 2021Observed: 1301.77 ft at 4:00AM Nov 18, 2021Observed: 1301.77 ft at 5:00AM Nov 18, 2021Observed: 1301.76 ft at 6:00AM Nov 18, 2021Observed: 1301.78 ft at 7:00AM Nov 18, 2021Observed: 1301.79 ft at 8:15AM Nov 18, 2021Observed: 1301.78 ft at 9:30AM Nov 18, 2021Observed: 1301.76 ft at 10:00AM Nov 18, 2021Observed: 1301.75 ft at 11:00AM Nov 18, 2021Observed: 1301.78 ft at 12:00PM Nov 18, 2021Observed: 1301.68 ft at 1:00PM Nov 18, 2021Observed: 1301.61 ft at 2:00PM Nov 18, 2021Observed: 1301.57 ft at 3:00PM Nov 18, 2021Observed: 1301.56 ft at 3:30PM Nov 18, 2021Observed: 1301.55 ft at 4:00PM Nov 18, 2021Observed: 1301.58 ft at 4:30PM Nov 18, 2021Observed: 1301.59 ft at 5:00PM Nov 18, 2021Observed: 1301.62 ft at 6:00PM Nov 18, 2021Observed: 1301.62 ft at 7:00PM Nov 18, 2021Observed: 1301.65 ft at 8:00PM Nov 18, 2021Observed: 1301.67 ft at 9:00PM Nov 18, 2021Observed: 1301.72 ft at 10:00PM Nov 18, 2021Observed: 1301.72 ft at 11:00PM Nov 18, 2021Observed: 1301.76 ft at 12:00AM Nov 19, 2021Observed: 1301.77 ft at 1:00AM Nov 19, 2021Observed: 1301.79 ft at 2:00AM Nov 19, 2021Observed: 1301.79 ft at 3:00AM Nov 19, 2021Observed: 1301.76 ft at 3:30AM Nov 19, 2021Observed: 1301.75 ft at 3:45AM Nov 19, 2021Observed: 1301.75 ft at 4:00AM Nov 19, 2021Observed: 1301.8 ft at 5:30AM Nov 19, 2021Highest Observation: 1301.82 ft at 6:15AM Nov 19, 2021Observed: 1301.81 ft at 7:00AM Nov 19, 2021Highest Observation: 1301.82 ft at 8:00AM Nov 19, 2021Observed: 1301.79 ft at 9:00AM Nov 19, 2021Observed: 1301.71 ft at 10:00AM Nov 19, 2021Observed: 1301.67 ft at 11:00AM Nov 19, 2021Observed: 1301.64 ft at 11:15AM Nov 19, 2021Observed: 1301.59 ft at 12:15PM Nov 19, 2021Observed: 1301.62 ft at 1:00PM Nov 19, 2021Observed: 1301.69 ft at 2:00PM Nov 19, 2021Observed: 1301.73 ft at 3:00PM Nov 19, 2021Observed: 1301.73 ft at 3:15PM Nov 19, 2021Observed: 1301.72 ft at 4:00PM Nov 19, 2021Observed: 1301.7 ft at 4:15PM Nov 19, 2021Observed: 1301.7 ft at 4:30PM Nov 19, 2021Observed: 1301.69 ft at 5:00PM Nov 19, 2021Observed: 1301.68 ft at 6:00PM Nov 19, 2021Observed: 1301.7 ft at 6:15PM Nov 19, 2021Observed: 1301.69 ft at 6:45PM Nov 19, 2021Observed: 1301.67 ft at 7:00PM Nov 19, 2021Observed: 1301.65 ft at 7:15PM Nov 19, 2021Observed: 1301.7 ft at 7:45PM Nov 19, 2021Observed: 1301.72 ft at 8:00PM Nov 19, 2021Observed: 1301.74 ft at 9:00PM Nov 19, 2021Observed: 1301.7 ft at 10:00PM Nov 19, 2021Observed: 1301.78 ft at 11:00PM Nov 19, 2021Observed: 1301.79 ft at 12:00AM Nov 20, 2021Observed: 1301.79 ft at 1:00AM Nov 20, 2021Observed: 1301.8 ft at 2:00AM Nov 20, 2021Observed: 1301.75 ft at 3:00AM Nov 20, 2021Observed: 1301.74 ft at 4:00AM Nov 20, 2021Observed: 1301.77 ft at 5:00AM Nov 20, 2021Observed: 1301.73 ft at 6:00AM Nov 20, 2021Observed: 1301.76 ft at 7:00AM Nov 20, 2021Observed: 1301.77 ft at 8:00AM Nov 20, 2021Observed: 1301.78 ft at 9:00AM Nov 20, 2021Observed: 1301.79 ft at 10:00AM Nov 20, 2021Observed: 1301.77 ft at 10:15AM Nov 20, 2021Observed: 1301.74 ft at 11:00AM Nov 20, 2021Observed: 1301.73 ft at 12:00PM Nov 20, 2021Observed: 1301.74 ft at 1:15PM Nov 20, 2021Observed: 1301.74 ft at 2:00PM Nov 20, 2021Observed: 1301.74 ft at 2:15PM Nov 20, 2021Observed: 1301.75 ft at 3:00PM Nov 20, 2021Observed: 1301.76 ft at 4:00PM Nov 20, 2021Observed: 1301.74 ft at 5:00PM Nov 20, 2021Observed: 1301.77 ft at 6:00PM Nov 20, 2021Observed: 1301.75 ft at 7:00PM Nov 20, 2021Observed: 1301.77 ft at 7:15PM Nov 20, 2021Observed: 1301.78 ft at 7:30PM Nov 20, 2021Observed: 1301.79 ft at 7:45PM Nov 20, 2021Observed: 1301.78 ft at 8:00PM Nov 20, 2021Observed: 1301.79 ft at 8:15PM Nov 20, 2021Observed: 1301.78 ft at 8:30PM Nov 20, 2021Observed: 1301.78 ft at 8:45PM Nov 20, 2021Observed: 1301.77 ft at 9:00PM Nov 20, 2021Observed: 1301.77 ft at 9:15PM Nov 20, 2021Observed: 1301.77 ft at 9:30PM Nov 20, 2021Observed: 1301.77 ft at 9:45PM Nov 20, 2021Observed: 1301.77 ft at 10:00PM Nov 20, 2021Observed: 1301.77 ft at 10:15PM Nov 20, 2021Observed: 1301.77 ft at 10:30PM Nov 20, 2021Observed: 1301.78 ft at 10:45PM Nov 20, 2021Observed: 1301.76 ft at 11:00PM Nov 20, 2021Observed: 1301.75 ft at 12:00AM Nov 21, 2021Observed: 1301.74 ft at 1:00AM Nov 21, 2021Observed: 1301.75 ft at 2:00AM Nov 21, 2021Observed: 1301.75 ft at 3:00AM Nov 21, 2021Observed: 1301.75 ft at 4:00AM Nov 21, 2021Observed: 1301.74 ft at 5:00AM Nov 21, 2021Observed: 1301.73 ft at 6:00AM Nov 21, 2021Observed: 1301.77 ft at 7:00AM Nov 21, 2021Observed: 1301.74 ft at 8:00AM Nov 21, 2021Observed: 1301.71 ft at 9:00AM Nov 21, 2021Observed: 1301.71 ft at 10:00AM Nov 21, 2021Observed: 1301.71 ft at 11:00AM Nov 21, 2021Observed: 1301.69 ft at 12:00PM Nov 21, 2021Observed: 1301.68 ft at 12:45PM Nov 21, 2021Observed: 1301.67 ft at 1:00PM Nov 21, 2021Observed: 1301.65 ft at 2:00PM Nov 21, 2021Observed: 1301.67 ft at 5:00PM Nov 21, 2021Observed: 1301.67 ft at 6:00PM Nov 21, 2021Observed: 1301.69 ft at 6:30PM Nov 21, 2021Observed: 1301.68 ft at 6:45PM Nov 21, 2021Observed: 1301.66 ft at 7:00PM Nov 21, 2021Observed: 1301.71 ft at 8:00PM Nov 21, 2021Observed: 1301.69 ft at 9:00PM Nov 21, 2021Observed: 1301.69 ft at 10:00PM Nov 21, 2021Observed: 1301.67 ft at 11:00PM Nov 21, 2021Observed: 1301.71 ft at 12:00AM Nov 22, 2021Observed: 1301.68 ft at 1:00AM Nov 22, 2021Observed: 1301.71 ft at 2:00AM Nov 22, 2021Observed: 1301.7 ft at 3:00AM Nov 22, 2021Observed: 1301.71 ft at 4:00AM Nov 22, 2021Observed: 1301.7 ft at 5:00AM Nov 22, 2021Observed: 1301.7 ft at 6:00AM Nov 22, 2021Observed: 1301.68 ft at 7:00AM Nov 22, 2021Observed: 1301.68 ft at 8:00AM Nov 22, 2021Observed: 1301.7 ft at 9:00AM Nov 22, 2021Observed: 1301.71 ft at 10:00AM Nov 22, 2021Observed: 1301.71 ft at 11:00AM Nov 22, 2021Observed: 1301.7 ft at 12:00PM Nov 22, 2021Observed: 1301.66 ft at 12:45PM Nov 22, 2021Observed: 1301.63 ft at 1:00PM Nov 22, 2021Observed: 1301.6 ft at 2:00PM Nov 22, 2021Observed: 1301.59 ft at 3:00PM Nov 22, 2021Observed: 1301.62 ft at 4:00PM Nov 22, 2021Observed: 1301.6 ft at 6:00PM Nov 22, 2021Observed: 1301.61 ft at 7:00PM Nov 22, 2021Observed: 1301.62 ft at 8:00PM Nov 22, 2021Observed: 1301.62 ft at 9:00PM Nov 22, 2021Observed: 1301.65 ft at 10:00PM Nov 22, 2021Observed: 1301.64 ft at 11:00PM Nov 22, 2021Observed: 1301.66 ft at 12:00AM Nov 23, 2021Observed: 1301.66 ft at 1:00AM Nov 23, 2021Observed: 1301.68 ft at 2:00AM Nov 23, 2021Observed: 1301.65 ft at 3:00AM Nov 23, 2021Observed: 1301.68 ft at 4:00AM Nov 23, 2021Observed: 1301.71 ft at 4:30AM Nov 23, 2021Observed: 1301.7 ft at 5:00AM Nov 23, 2021Observed: 1301.72 ft at 6:00AM Nov 23, 2021Observed: 1301.71 ft at 7:00AM Nov 23, 2021Observed: 1301.72 ft at 8:00AM Nov 23, 2021Observed: 1301.73 ft at 9:00AM Nov 23, 2021Observed: 1301.69 ft at 9:30AM Nov 23, 2021Observed: 1301.7 ft at 9:45AM Nov 23, 2021Observed: 1301.72 ft at 10:00AM Nov 23, 2021Observed: 1301.69 ft at 10:30AM Nov 23, 2021Observed: 1301.71 ft at 11:00AM Nov 23, 2021Observed: 1301.71 ft at 12:00PM Nov 23, 2021Observed: 1301.62 ft at 1:00PM Nov 23, 2021Observed: 1301.56 ft at 2:00PM Nov 23, 2021Observed: 1301.55 ft at 3:00PM Nov 23, 2021Observed: 1301.54 ft at 4:00PM Nov 23, 2021Observed: 1301.63 ft at 5:00PM Nov 23, 2021Observed: 1301.68 ft at 6:00PM Nov 23, 2021Observed: 1301.69 ft at 7:00PM Nov 23, 2021Observed: 1301.7 ft at 8:00PM Nov 23, 2021Observed: 1301.7 ft at 9:00PM Nov 23, 2021Observed: 1301.71 ft at 10:00PM Nov 23, 2021Observed: 1301.67 ft at 11:00PM Nov 23, 2021Observed: 1301.69 ft at 12:00AM Nov 24, 2021Observed: 1301.67 ft at 1:00AM Nov 24, 2021Observed: 1301.67 ft at 2:00AM Nov 24, 2021Observed: 1301.7 ft at 2:30AM Nov 24, 2021Observed: 1301.7 ft at 2:45AM Nov 24, 2021Observed: 1301.69 ft at 3:00AM Nov 24, 2021Observed: 1301.7 ft at 3:30AM Nov 24, 2021Observed: 1301.7 ft at 4:00AM Nov 24, 2021Observed: 1301.67 ft at 5:00AM Nov 24, 2021Observed: 1301.66 ft at 6:00AM Nov 24, 2021Observed: 1301.67 ft at 7:00AM Nov 24, 2021Observed: 1301.65 ft at 8:00AM Nov 24, 2021Observed: 1301.68 ft at 8:45AM Nov 24, 2021Observed: 1301.65 ft at 9:00AM Nov 24, 2021Observed: 1301.66 ft at 9:30AM Nov 24, 2021Observed: 1301.66 ft at 9:45AM Nov 24, 2021Observed: 1301.67 ft at 10:00AM Nov 24, 2021Observed: 1301.68 ft at 10:30AM Nov 24, 2021Observed: 1301.66 ft at 10:45AM Nov 24, 2021Observed: 1301.64 ft at 11:00AM Nov 24, 2021Observed: 1301.65 ft at 11:30AM Nov 24, 2021Observed: 1301.66 ft at 11:45AM Nov 24, 2021Observed: 1301.65 ft at 12:00PM Nov 24, 2021Observed: 1301.67 ft at 12:30PM Nov 24, 2021Observed: 1301.61 ft at 1:00PM Nov 24, 2021Observed: 1301.59 ft at 1:45PM Nov 24, 2021Observed: 1301.61 ft at 2:00PM Nov 24, 2021Observed: 1301.61 ft at 2:15PM Nov 24, 2021Observed: 1301.64 ft at 2:45PM Nov 24, 2021Observed: 1301.64 ft at 3:00PM Nov 24, 2021Observed: 1301.68 ft at 3:30PM Nov 24, 2021Observed: 1301.66 ft at 3:45PM Nov 24, 2021Observed: 1301.66 ft at 4:00PM Nov 24, 2021Observed: 1301.67 ft at 5:00PM Nov 24, 2021Observed: 1301.63 ft at 6:00PM Nov 24, 2021Observed: 1301.64 ft at 7:00PM Nov 24, 2021Observed: 1301.64 ft at 8:00PM Nov 24, 2021Observed: 1301.65 ft at 9:00PM Nov 24, 2021Observed: 1301.66 ft at 10:00PM Nov 24, 2021Observed: 1301.67 ft at 11:00PM Nov 24, 2021Observed: 1301.66 ft at 11:15PM Nov 24, 2021Observed: 1301.65 ft at 11:45PM Nov 24, 2021Observed: 1301.63 ft at 12:00AM Nov 25, 2021Observed: 1301.65 ft at 1:00AM Nov 25, 2021Observed: 1301.62 ft at 1:15AM Nov 25, 2021Observed: 1301.64 ft at 1:45AM Nov 25, 2021Observed: 1301.62 ft at 2:00AM Nov 25, 2021Observed: 1301.65 ft at 3:00AM Nov 25, 2021Observed: 1301.65 ft at 4:00AM Nov 25, 2021Observed: 1301.62 ft at 5:00AM Nov 25, 2021Observed: 1301.64 ft at 6:00AM Nov 25, 2021Observed: 1301.66 ft at 7:00AM Nov 25, 2021Observed: 1301.65 ft at 8:00AM Nov 25, 2021Observed: 1301.62 ft at 9:00AM Nov 25, 2021Observed: 1301.56 ft at 10:00AM Nov 25, 2021Observed: 1301.51 ft at 10:30AM Nov 25, 2021Observed: 1301.5 ft at 11:00AM Nov 25, 2021Observed: 1301.5 ft at 11:30AM Nov 25, 2021Observed: 1301.4 ft at 12:45PM Nov 25, 2021Observed: 1301.35 ft at 1:00PM Nov 25, 2021Observed: 1301.33 ft at 2:00PM Nov 25, 2021Observed: 1301.3 ft at 3:00PM Nov 25, 2021Observed: 1301.28 ft at 3:45PM Nov 25, 2021Observed: 1301.29 ft at 4:00PM Nov 25, 2021Observed: 1301.46 ft at 5:00PM Nov 25, 2021Observed: 1301.48 ft at 6:00PM Nov 25, 2021Observed: 1301.49 ft at 6:30PM Nov 25, 2021Observed: 1301.5 ft at 7:00PM Nov 25, 2021Observed: 1301.55 ft at 8:00PM Nov 25, 2021Observed: 1301.58 ft at 9:00PM Nov 25, 2021Observed: 1301.63 ft at 10:00PM Nov 25, 2021Observed: 1301.65 ft at 11:00PM Nov 25, 2021Observed: 1301.65 ft at 12:00AM Nov 26, 2021Observed: 1301.63 ft at 12:45AM Nov 26, 2021Observed: 1301.62 ft at 2:15AM Nov 26, 2021Observed: 1301.64 ft at 3:00AM Nov 26, 2021Observed: 1301.63 ft at 4:00AM Nov 26, 2021Observed: 1301.64 ft at 5:00AM Nov 26, 2021Observed: 1301.66 ft at 6:00AM Nov 26, 2021Observed: 1301.66 ft at 6:45AM Nov 26, 2021Observed: 1301.69 ft at 8:15AM Nov 26, 2021Observed: 1301.71 ft at 8:45AM Nov 26, 2021Observed: 1301.72 ft at 9:00AM Nov 26, 2021Observed: 1301.72 ft at 10:00AM Nov 26, 2021Observed: 1301.56 ft at 11:00AM Nov 26, 2021Observed: 1301.62 ft at 12:00PM Nov 26, 2021Observed: 1301.64 ft at 12:30PM Nov 26, 2021Observed: 1301.65 ft at 12:45PM Nov 26, 2021Observed: 1301.66 ft at 1:00PM Nov 26, 2021Observed: 1301.68 ft at 1:30PM Nov 26, 2021Observed: 1301.69 ft at 1:45PM Nov 26, 2021Observed: 1301.71 ft at 2:00PM Nov 26, 2021Observed: 1301.68 ft at 2:30PM Nov 26, 2021Observed: 1301.66 ft at 3:00PM Nov 26, 2021Observed: 1301.67 ft at 3:15PM Nov 26, 2021Observed: 1301.69 ft at 4:00PM Nov 26, 2021Observed: 1301.65 ft at 5:00PM Nov 26, 2021Observed: 1301.68 ft at 6:00PM Nov 26, 2021Observed: 1301.63 ft at 6:15PM Nov 26, 2021Observed: 1301.59 ft at 7:00PM Nov 26, 2021Iowa Flood CenterLRGI4(plotting HGIRP) Graph Created (8:03PM Nov 26, 2021)ObservedLatest observed value: 1301.59 ft at 7:00 PM CST 26-Nov-2021. 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: Graphical forecasts are not available for the Little Rock River near George. During times of high water, forecast crest information can be found in the text products.

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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
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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: NAD83/WGS84

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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