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Hydrograph River at a Glance Download
East Okoboji Lake at Spirit Lake Stage (ft)USGS--Water Resources of the United StatesEOLI4(plotting HPIRG) Graph Created (8:03AM Aug 24, 2019)Flood Stage is 16 ft
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Datum: Not Available
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NOTE: Flow values shown may be different than other data sources. All observations are preliminary data.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Graphical forecasts are not available for the East Okoboji Lake at Spirit Lake. During times of high water, forecast crest information can be found in the text products.

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Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 18
Flood Stage: 16
Action Stage: 15
Low Stage (in feet): 0

Historic Crests
(1) 13.44 ft on 05/17/2018

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.44 ft on 05/17/2018

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
21 Homes and businesses along the lake shore will begin flooding.
18 Boat ramps and parking lots will be flooded, and water will reach into the yards of home along the lake shore.
16 Some of the boat docks will be flooded.
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Latitude: 43.426400° N, Longitude: 95.093100° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 16 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 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 Not Available Not Available  

Current/Historical Observations:
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Hydrologic Resources Additional Resources
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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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