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Hydrograph River at a Glance Download
West Nishnabotna River near Riverton Stage (ft)Jump to USGS siteWNSI4(plotting HGIRG) Graph Created (5:30AM Oct 20, 2017)Flood Stage is 21.5 ft
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Datum: NAVD88
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NOTE: Automatic observations from this river gage have been discontinued due to loss of funding. Contact webmaster at the link below if you can help.

NOTE: Forecasts are not available for the West Nishnabotna River near Riverton. Only observed stages are available for this point.

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Upstream Gauge - near Randolph Upstream Gauge Downstream Gauge Downstream Gauge - near Hamburg
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 27
Flood Stage: 21.5
Action Stage: 20
Low Stage (in feet): -9999

Historic Crests
(1) 27.00 ft on 12/15/2015
(2) 26.63 ft on 09/10/2014
(3) 25.84 ft on 06/14/2010
(4) 24.61 ft on 02/18/2011
(5) 23.52 ft on 05/11/2016 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.52 ft on 05/11/2016 (P)
(2) 27.00 ft on 12/15/2015
(3) 26.63 ft on 09/10/2014
(4) 20.87 ft on 05/30/2013
(5) 21.55 ft on 04/15/2012
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:12
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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
30.5 Floodwaters will reach the bottom of the CR J-46 bridge, also known as Riverton Road.
24 The river is at bankfull and floodwaters will begin to spread throughout the floodplain.
21.5 At this point, CR J-46, also known as Riverton Road, will be threatened by floodwaters.
20 Drainage ditches along CR J46, also known as Riverton Road, may begin to fill.
Photos
(1) Looking east from the gauge toward Riverton
(2) Flooding along Riverton Road in August of 2010
(3) Looking downstream from gauge site (stage = 9.5 feet)
(4) Looking upstream from gauge site (stage = 9.5 feet)
(5) Gage house
About This Location Collapse

Latitude: 40.687107° N, Longitude: 95.599580° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 21.5 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 900 ft 924 ft 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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NWS Information
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Valley, NE 68064-9443
(402) 359-5166
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Page last modified: 21-Dec-2016 10:37 PM
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