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Hydrograph River at a Glance Download
Elm River near Westport Stage (ft)Flow (cfs)Observed: 4.75 ft at 9:15PM Aug 15, 2019Observed: 4.75 ft at 9:30PM Aug 15, 2019Observed: 4.75 ft at 9:45PM Aug 15, 2019Observed: 4.75 ft at 10:00PM Aug 15, 2019Observed: 4.75 ft at 10:15PM Aug 15, 2019Observed: 4.75 ft at 10:30PM Aug 15, 2019Observed: 4.75 ft at 10:45PM Aug 15, 2019Observed: 4.75 ft at 10:46PM Aug 15, 2019Observed: 4.75 ft at 11:00PM Aug 15, 2019Observed: 4.75 ft at 11:01PM Aug 15, 2019Observed: 4.75 ft at 11:15PM Aug 15, 2019Observed: 4.75 ft at 11:16PM Aug 15, 2019Observed: 4.75 ft at 11:30PM Aug 15, 2019Observed: 4.74 ft at 11:45PM Aug 15, 2019Observed: 4.74 ft at 12:00AM Aug 16, 2019Observed: 4.74 ft at 12:15AM Aug 16, 2019Observed: 4.74 ft at 12:30AM Aug 16, 2019Observed: 4.75 ft at 12:45AM Aug 16, 2019Observed: 4.74 ft at 1:00AM Aug 16, 2019Observed: 4.74 ft at 1:15AM Aug 16, 2019Observed: 4.74 ft at 1:30AM Aug 16, 2019Observed: 4.74 ft at 1:45AM Aug 16, 2019Observed: 4.74 ft at 2:00AM Aug 16, 2019Observed: 4.74 ft at 2:15AM Aug 16, 2019Observed: 4.74 ft at 2:30AM Aug 16, 2019Observed: 4.74 ft at 2:45AM Aug 16, 2019Observed: 4.74 ft at 3:00AM Aug 16, 2019Observed: 4.74 ft at 3:15AM Aug 16, 2019Observed: 4.74 ft at 3:30AM Aug 16, 2019Observed: 4.74 ft at 3:45AM Aug 16, 2019Observed: 4.73 ft at 4:00AM Aug 16, 2019Observed: 4.73 ft at 4:15AM Aug 16, 2019Observed: 4.73 ft at 4:30AM Aug 16, 2019Observed: 4.73 ft at 4:45AM Aug 16, 2019Observed: 4.73 ft at 5:00AM Aug 16, 2019Observed: 4.73 ft at 5:15AM Aug 16, 2019Observed: 4.73 ft at 5:30AM Aug 16, 2019Observed: 4.73 ft at 5:45AM Aug 16, 2019Observed: 4.72 ft at 6:00AM Aug 16, 2019Observed: 4.72 ft at 6:45AM Aug 16, 2019Observed: 4.72 ft at 7:00AM Aug 16, 2019Observed: 4.71 ft at 7:15AM Aug 16, 2019Observed: 5.02 ft at 1:00AM Aug 18, 2019Observed: 5.02 ft at 1:15AM Aug 18, 2019Observed: 5.03 ft at 1:30AM Aug 18, 2019Observed: 5.03 ft at 1:45AM Aug 18, 2019Observed: 5.03 ft at 2:00AM Aug 18, 2019Observed: 5.03 ft at 2:01AM Aug 18, 2019Observed: 5.03 ft at 2:15AM Aug 18, 2019Observed: 5.03 ft at 2:16AM Aug 18, 2019Observed: 5.04 ft at 2:30AM Aug 18, 2019Observed: 5.04 ft at 2:31AM Aug 18, 2019Observed: 5.04 ft at 2:45AM Aug 18, 2019Observed: 5.04 ft at 3:00AM Aug 18, 2019Observed: 5.04 ft at 3:01AM Aug 18, 2019Observed: 5.04 ft at 3:15AM Aug 18, 2019Observed: 5.04 ft at 3:16AM Aug 18, 2019Observed: 5.04 ft at 3:30AM Aug 18, 2019Observed: 5.04 ft at 3:31AM Aug 18, 2019Observed: 5.04 ft at 3:45AM Aug 18, 2019Observed: 5.04 ft at 4:00AM Aug 18, 2019Observed: 5.04 ft at 4:01AM Aug 18, 2019Observed: 5.04 ft at 4:15AM Aug 18, 2019Observed: 5.04 ft at 4:16AM Aug 18, 2019Observed: 5.04 ft at 4:30AM Aug 18, 2019Observed: 5.04 ft at 4:31AM Aug 18, 2019Highest Observation: 5.05 ft at 4:45AM Aug 18, 2019Observed: 5.04 ft at 5:00AM Aug 18, 2019Observed: 5.04 ft at 5:01AM Aug 18, 2019Highest Observation: 5.05 ft at 5:15AM Aug 18, 2019Highest Observation: 5.05 ft at 5:16AM Aug 18, 2019Observed: 5.04 ft at 5:30AM Aug 18, 2019Observed: 5.04 ft at 5:31AM Aug 18, 2019Observed: 5.04 ft at 5:45AM Aug 18, 2019Observed: 5.04 ft at 6:00AM Aug 18, 2019Observed: 5.04 ft at 6:01AM Aug 18, 2019Observed: 5.04 ft at 6:15AM Aug 18, 2019Observed: 5.04 ft at 6:16AM Aug 18, 2019Observed: 5.04 ft at 6:30AM Aug 18, 2019Observed: 5.04 ft at 6:31AM Aug 18, 2019Observed: 5.04 ft at 6:45AM Aug 18, 2019Observed: 5.04 ft at 7:00AM Aug 18, 2019Observed: 5.04 ft at 7:01AM Aug 18, 2019Observed: 5.04 ft at 7:15AM Aug 18, 2019Observed: 5.04 ft at 7:16AM Aug 18, 2019Observed: 5.04 ft at 7:30AM Aug 18, 2019Observed: 5.04 ft at 7:31AM Aug 18, 2019Observed: 5.04 ft at 7:45AM Aug 18, 2019Observed: 5.03 ft at 8:00AM Aug 18, 2019Observed: 5.03 ft at 8:01AM Aug 18, 2019Observed: 5.04 ft at 8:15AM Aug 18, 2019Observed: 5.04 ft at 8:16AM Aug 18, 2019Observed: 5.03 ft at 8:30AM Aug 18, 2019Observed: 5.03 ft at 8:31AM Aug 18, 2019Observed: 5.03 ft at 8:45AM Aug 18, 2019Observed: 5.04 ft at 9:00AM Aug 18, 2019Observed: 5.03 ft at 9:15AM Aug 18, 2019Observed: 5.03 ft at 9:30AM Aug 18, 2019USGS--Water Resources of the United StatesWESS2(plotting HGIRG) Graph Created (6:30PM Aug 18, 2019)ObservedLatest observed value: 5.03 ft at 9:30 AM CDT 18-Aug-2019. Flood Stage is 14 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
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: Forecasts for the Elm River near Westport are issued as needed during times of high water, but are not routinely available.

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Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 16
Flood Stage: 14
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 22.63 ft on 03/25/2009
(2) 22.11 ft on 04/10/1969
(3) 21.56 ft on 03/30/1997
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(P): Preliminary values subject to further review.

Recent Crests
(1) 12.48 ft on 02/23/2017
(2) 9.34 ft on 08/14/2016
(3) 10.55 ft on 05/21/2015
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 www.floodsmart.gov.

Zoom Level:14
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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
22.5 The bridge 2 miles south and 1 mile east of Westport will be overtopped
22 Large portions of Westport will have water 2 to 3 feet deep
21 The bridge on Brown County Road 10a is overtopped
20.5 The water will reach the bottom of the bridge 2 miles south and 1 mile east of Westport. The bridge east of Westport will be overtopped
19 The community of Westport begins to flood
18.5 The water will reach the bottom of the bridge east of Westport
17.5 Water reaches the bottom of the bridge north of Westport
16 Several gravel roads along the river begin to flood
14.5 The bridge northwest of Kruse Dam will be overtopped
14 The county road east of Westport becomes impassable
12.5 The water will reach the bottom of the bridge north of Kruse Dam
About This Location Collapse

Latitude: 45.656111° N, Longitude: 98.496667° W, Horizontal Datum: NAD83/WGS84

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)
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 1309.3 ft 1323.3 ft  

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
National Weather Service
Aberdeen Weather Forecast Office
824 Brown County 14 South
Aberdeen, SD 57401
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Page last modified: 1-Mar-2019 12:34 AM
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