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Hydrograph River at a Glance Download Inundation
Mapping
Big Blue River near Manhattan Stage (ft)Flow (kcfs)Observed: 2.35 ft at 1:15PM May 21, 2022Observed: 2.36 ft at 1:30PM May 21, 2022Observed: 2.36 ft at 1:45PM May 21, 2022Observed: 2.36 ft at 2:00PM May 21, 2022Observed: 2.35 ft at 2:15PM May 21, 2022Observed: 2.36 ft at 2:30PM May 21, 2022Observed: 2.36 ft at 2:45PM May 21, 2022Observed: 2.36 ft at 3:00PM May 21, 2022Observed: 2.37 ft at 3:15PM May 21, 2022Observed: 2.36 ft at 3:30PM May 21, 2022Observed: 2.36 ft at 3:45PM May 21, 2022Observed: 2.35 ft at 4:00PM May 21, 2022Observed: 2.35 ft at 4:01PM May 21, 2022Observed: 2.37 ft at 4:15PM May 21, 2022Observed: 2.35 ft at 4:30PM May 21, 2022Observed: 2.35 ft at 4:45PM May 21, 2022Observed: 2.34 ft at 5:00PM May 21, 2022Observed: 2.35 ft at 5:15PM May 21, 2022Observed: 2.34 ft at 5:30PM May 21, 2022Observed: 2.34 ft at 5:45PM May 21, 2022Observed: 2.34 ft at 6:00PM May 21, 2022Observed: 2.34 ft at 6:15PM May 21, 2022Observed: 2.34 ft at 6:30PM May 21, 2022Observed: 2.35 ft at 6:45PM May 21, 2022Observed: 2.34 ft at 7:00PM May 21, 2022Observed: 2.34 ft at 7:15PM May 21, 2022Observed: 2.34 ft at 7:30PM May 21, 2022Observed: 2.34 ft at 7:45PM May 21, 2022Observed: 2.35 ft at 8:00PM May 21, 2022Observed: 2.34 ft at 8:15PM May 21, 2022Observed: 2.35 ft at 8:30PM May 21, 2022Observed: 2.34 ft at 8:45PM May 21, 2022Observed: 2.35 ft at 9:00PM May 21, 2022Observed: 2.34 ft at 9:15PM May 21, 2022Observed: 2.34 ft at 9:30PM May 21, 2022Observed: 2.35 ft at 9:45PM May 21, 2022Observed: 2.35 ft at 10:00PM May 21, 2022Observed: 2.34 ft at 10:15PM May 21, 2022Observed: 2.35 ft at 10:30PM May 21, 2022Observed: 2.35 ft at 10:45PM May 21, 2022Observed: 2.35 ft at 11:00PM May 21, 2022Observed: 2.35 ft at 11:15PM May 21, 2022Observed: 2.35 ft at 11:30PM May 21, 2022Observed: 2.35 ft at 11:45PM May 21, 2022Observed: 2.35 ft at 12:00AM May 22, 2022Observed: 2.35 ft at 12:15AM May 22, 2022Observed: 2.35 ft at 12:30AM May 22, 2022Observed: 2.35 ft at 12:45AM May 22, 2022Observed: 2.35 ft at 1:00AM May 22, 2022Observed: 2.35 ft at 1:15AM May 22, 2022Observed: 2.35 ft at 1:30AM May 22, 2022Observed: 2.35 ft at 1:45AM May 22, 2022Observed: 2.35 ft at 2:00AM May 22, 2022Observed: 2.35 ft at 2:15AM May 22, 2022Observed: 2.35 ft at 2:30AM May 22, 2022Observed: 2.36 ft at 2:45AM May 22, 2022Observed: 2.34 ft at 3:00AM May 22, 2022Observed: 2.35 ft at 3:15AM May 22, 2022Observed: 2.35 ft at 3:30AM May 22, 2022Observed: 2.35 ft at 3:45AM May 22, 2022Observed: 2.35 ft at 4:00AM May 22, 2022Observed: 2.35 ft at 4:15AM May 22, 2022Observed: 2.34 ft at 4:30AM May 22, 2022Observed: 2.36 ft at 4:45AM May 22, 2022Observed: 2.35 ft at 5:00AM May 22, 2022Observed: 2.36 ft at 5:15AM May 22, 2022Observed: 2.35 ft at 5:30AM May 22, 2022Observed: 2.36 ft at 5:45AM May 22, 2022Observed: 2.35 ft at 6:00AM May 22, 2022Observed: 2.36 ft at 6:15AM May 22, 2022Observed: 2.35 ft at 6:30AM May 22, 2022Observed: 2.36 ft at 6:45AM May 22, 2022Observed: 2.35 ft at 7:00AM May 22, 2022Observed: 2.35 ft at 7:15AM May 22, 2022Observed: 2.35 ft at 7:30AM May 22, 2022Observed: 2.36 ft at 7:45AM May 22, 2022Observed: 2.35 ft at 8:00AM May 22, 2022Observed: 2.35 ft at 8:15AM May 22, 2022Observed: 2.35 ft at 8:30AM May 22, 2022Observed: 2.35 ft at 8:45AM May 22, 2022Observed: 2.36 ft at 9:00AM May 22, 2022Observed: 2.36 ft at 9:15AM May 22, 2022Observed: 2.36 ft at 9:30AM May 22, 2022Observed: 2.35 ft at 9:45AM May 22, 2022Observed: 2.36 ft at 10:00AM May 22, 2022Observed: 2.36 ft at 10:15AM May 22, 2022Observed: 2.36 ft at 10:30AM May 22, 2022Observed: 2.36 ft at 10:45AM May 22, 2022Observed: 2.36 ft at 11:00AM May 22, 2022Observed: 2.35 ft at 11:15AM May 22, 2022Observed: 2.35 ft at 11:30AM May 22, 2022Observed: 2.36 ft at 11:45AM May 22, 2022Observed: 2.36 ft at 12:00PM May 22, 2022Observed: 2.35 ft at 12:15PM May 22, 2022Observed: 2.35 ft at 12:30PM May 22, 2022Observed: 2.36 ft at 12:45PM May 22, 2022Observed: 2.35 ft at 1:00PM May 22, 2022Observed: 2.35 ft at 1:15PM May 22, 2022Observed: 2.35 ft at 1:30PM May 22, 2022Observed: 2.36 ft at 1:45PM May 22, 2022Observed: 2.36 ft at 2:00PM May 22, 2022Observed: 2.34 ft at 2:15PM May 22, 2022Observed: 2.35 ft at 2:30PM May 22, 2022Observed: 2.34 ft at 2:45PM May 22, 2022Observed: 2.35 ft at 3:00PM May 22, 2022Observed: 2.36 ft at 3:15PM May 22, 2022Observed: 2.36 ft at 3:30PM May 22, 2022Observed: 2.35 ft at 3:45PM May 22, 2022Observed: 2.35 ft at 4:00PM May 22, 2022Observed: 2.35 ft at 4:15PM May 22, 2022Observed: 2.35 ft at 4:16PM May 22, 2022Observed: 2.35 ft at 4:30PM May 22, 2022Observed: 2.35 ft at 4:45PM May 22, 2022Observed: 2.35 ft at 5:00PM May 22, 2022Observed: 2.35 ft at 5:15PM May 22, 2022Observed: 2.36 ft at 5:30PM May 22, 2022Observed: 2.36 ft at 5:45PM May 22, 2022Observed: 2.35 ft at 6:00PM May 22, 2022Observed: 2.35 ft at 6:15PM May 22, 2022Observed: 2.35 ft at 6:30PM May 22, 2022Observed: 2.34 ft at 6:45PM May 22, 2022Observed: 2.35 ft at 7:00PM May 22, 2022Observed: 2.35 ft at 7:15PM May 22, 2022Observed: 2.35 ft at 7:30PM May 22, 2022Observed: 2.35 ft at 7:45PM May 22, 2022Observed: 2.35 ft at 8:00PM May 22, 2022Observed: 2.35 ft at 8:15PM May 22, 2022Observed: 2.35 ft at 8:30PM May 22, 2022Observed: 2.35 ft at 8:45PM May 22, 2022Observed: 2.35 ft at 9:00PM May 22, 2022Observed: 2.35 ft at 9:15PM May 22, 2022Observed: 2.34 ft at 9:30PM May 22, 2022Observed: 2.34 ft at 9:45PM May 22, 2022Observed: 2.35 ft at 10:00PM May 22, 2022Observed: 2.35 ft at 10:15PM May 22, 2022Observed: 2.35 ft at 10:30PM May 22, 2022Observed: 2.35 ft at 10:45PM May 22, 2022Observed: 2.35 ft at 11:00PM May 22, 2022Observed: 2.35 ft at 11:15PM May 22, 2022Observed: 2.35 ft at 11:30PM May 22, 2022Observed: 2.36 ft at 11:45PM May 22, 2022Observed: 2.35 ft at 12:00AM May 23, 2022Observed: 2.35 ft at 12:15AM May 23, 2022Observed: 2.35 ft at 12:30AM May 23, 2022Observed: 2.35 ft at 12:45AM May 23, 2022Observed: 2.35 ft at 1:00AM May 23, 2022Observed: 2.35 ft at 1:15AM May 23, 2022Observed: 2.35 ft at 1:30AM May 23, 2022Observed: 2.34 ft at 1:45AM May 23, 2022Observed: 2.35 ft at 2:00AM May 23, 2022Observed: 2.36 ft at 2:15AM May 23, 2022Observed: 2.35 ft at 2:30AM May 23, 2022Observed: 2.35 ft at 2:45AM May 23, 2022Observed: 2.34 ft at 3:00AM May 23, 2022Observed: 2.34 ft at 3:15AM May 23, 2022Observed: 2.35 ft at 3:30AM May 23, 2022Observed: 2.35 ft at 3:45AM May 23, 2022Observed: 2.35 ft at 4:00AM May 23, 2022Observed: 2.35 ft at 4:15AM May 23, 2022Observed: 2.35 ft at 4:30AM May 23, 2022Observed: 2.35 ft at 4:45AM May 23, 2022Observed: 2.35 ft at 5:00AM May 23, 2022Observed: 2.35 ft at 5:15AM May 23, 2022Observed: 2.35 ft at 5:30AM May 23, 2022Observed: 2.35 ft at 5:45AM May 23, 2022Observed: 2.36 ft at 6:00AM May 23, 2022Observed: 2.35 ft at 6:15AM May 23, 2022Observed: 2.35 ft at 6:30AM May 23, 2022Observed: 2.35 ft at 6:45AM May 23, 2022Observed: 2.35 ft at 7:00AM May 23, 2022Observed: 2.36 ft at 7:15AM May 23, 2022Observed: 2.35 ft at 7:30AM May 23, 2022Observed: 2.35 ft at 7:45AM May 23, 2022Observed: 2.36 ft at 8:00AM May 23, 2022Observed: 2.35 ft at 8:15AM May 23, 2022Observed: 2.35 ft at 8:30AM May 23, 2022Observed: 2.36 ft at 8:45AM May 23, 2022Observed: 2.35 ft at 9:00AM May 23, 2022Observed: 2.35 ft at 9:15AM May 23, 2022Observed: 2.35 ft at 9:30AM May 23, 2022Observed: 2.35 ft at 9:45AM May 23, 2022Observed: 2.35 ft at 10:00AM May 23, 2022Observed: 2.36 ft at 10:15AM May 23, 2022Observed: 2.36 ft at 10:30AM May 23, 2022Observed: 2.36 ft at 10:45AM May 23, 2022Observed: 2.35 ft at 11:00AM May 23, 2022Observed: 2.36 ft at 11:15AM May 23, 2022Observed: 2.35 ft at 11:30AM May 23, 2022Observed: 2.36 ft at 11:45AM May 23, 2022Observed: 2.36 ft at 12:00PM May 23, 2022Observed: 2.36 ft at 12:15PM May 23, 2022Observed: 2.35 ft at 12:30PM May 23, 2022Observed: 2.35 ft at 12:45PM May 23, 2022Observed: 2.36 ft at 1:00PM May 23, 2022Observed: 2.36 ft at 1:15PM May 23, 2022Observed: 2.35 ft at 1:30PM May 23, 2022Observed: 2.35 ft at 1:45PM May 23, 2022Observed: 2.35 ft at 2:00PM May 23, 2022Observed: 2.35 ft at 2:15PM May 23, 2022Observed: 2.35 ft at 2:30PM May 23, 2022Observed: 2.36 ft at 2:45PM May 23, 2022Observed: 2.36 ft at 3:00PM May 23, 2022Observed: 2.36 ft at 3:15PM May 23, 2022Observed: 2.36 ft at 3:30PM May 23, 2022Observed: 2.36 ft at 3:45PM May 23, 2022Observed: 2.36 ft at 4:00PM May 23, 2022Observed: 2.36 ft at 4:15PM May 23, 2022Observed: 2.36 ft at 4:16PM May 23, 2022Observed: 2.35 ft at 4:30PM May 23, 2022Observed: 2.36 ft at 4:45PM May 23, 2022Observed: 2.36 ft at 5:00PM May 23, 2022Observed: 2.37 ft at 5:15PM May 23, 2022Observed: 2.36 ft at 5:30PM May 23, 2022Observed: 2.36 ft at 5:45PM May 23, 2022Observed: 2.35 ft at 6:00PM May 23, 2022Observed: 2.36 ft at 6:15PM May 23, 2022Observed: 2.35 ft at 6:30PM May 23, 2022Observed: 2.35 ft at 6:45PM May 23, 2022Observed: 2.35 ft at 7:00PM May 23, 2022Observed: 2.36 ft at 7:15PM May 23, 2022Observed: 2.35 ft at 7:30PM May 23, 2022Observed: 2.35 ft at 7:45PM May 23, 2022Observed: 2.35 ft at 8:00PM May 23, 2022Observed: 2.35 ft at 8:15PM May 23, 2022Observed: 2.36 ft at 8:30PM May 23, 2022Observed: 2.35 ft at 8:45PM May 23, 2022Observed: 2.35 ft at 9:00PM May 23, 2022Observed: 2.35 ft at 9:15PM May 23, 2022Observed: 2.35 ft at 9:30PM May 23, 2022Observed: 2.35 ft at 9:45PM May 23, 2022Observed: 2.35 ft at 10:00PM May 23, 2022Observed: 2.36 ft at 10:15PM May 23, 2022Observed: 2.35 ft at 10:30PM May 23, 2022Observed: 2.35 ft at 10:45PM May 23, 2022Observed: 2.34 ft at 11:00PM May 23, 2022Observed: 2.34 ft at 11:15PM May 23, 2022Observed: 2.35 ft at 11:30PM May 23, 2022Observed: 2.35 ft at 11:45PM May 23, 2022Observed: 2.35 ft at 12:00AM May 24, 2022Observed: 2.35 ft at 12:15AM May 24, 2022Observed: 2.35 ft at 12:30AM May 24, 2022Observed: 2.35 ft at 12:45AM May 24, 2022Observed: 2.35 ft at 1:00AM May 24, 2022Observed: 2.35 ft at 1:15AM May 24, 2022Observed: 2.35 ft at 1:30AM May 24, 2022Observed: 2.35 ft at 1:45AM May 24, 2022Observed: 2.35 ft at 2:00AM May 24, 2022Observed: 2.35 ft at 2:15AM May 24, 2022Observed: 2.34 ft at 2:30AM May 24, 2022Observed: 2.35 ft at 2:45AM May 24, 2022Observed: 2.35 ft at 3:00AM May 24, 2022Observed: 2.36 ft at 3:15AM May 24, 2022Observed: 2.35 ft at 3:30AM May 24, 2022Observed: 2.35 ft at 3:45AM May 24, 2022Observed: 2.35 ft at 4:00AM May 24, 2022Observed: 2.36 ft at 4:15AM May 24, 2022Observed: 2.36 ft at 4:30AM May 24, 2022Observed: 2.36 ft at 4:45AM May 24, 2022Observed: 2.36 ft at 5:00AM May 24, 2022Observed: 2.36 ft at 5:15AM May 24, 2022Observed: 2.36 ft at 5:30AM May 24, 2022Observed: 2.36 ft at 5:45AM May 24, 2022Observed: 2.36 ft at 6:00AM May 24, 2022Observed: 2.36 ft at 6:15AM May 24, 2022Observed: 2.36 ft at 6:30AM May 24, 2022Observed: 2.36 ft at 6:45AM May 24, 2022Observed: 2.36 ft at 7:00AM May 24, 2022Observed: 2.36 ft at 7:15AM May 24, 2022Observed: 2.35 ft at 7:30AM May 24, 2022Observed: 2.35 ft at 7:45AM May 24, 2022Observed: 2.37 ft at 8:00AM May 24, 2022Observed: 2.36 ft at 8:15AM May 24, 2022Observed: 2.37 ft at 8:30AM May 24, 2022Observed: 2.36 ft at 8:45AM May 24, 2022Observed: 2.37 ft at 9:00AM May 24, 2022Observed: 2.36 ft at 9:15AM May 24, 2022Observed: 2.36 ft at 9:30AM May 24, 2022Observed: 2.37 ft at 9:45AM May 24, 2022Highest Observation: 2.38 ft at 10:00AM May 24, 2022Observed: 2.36 ft at 10:15AM May 24, 2022Observed: 2.37 ft at 10:30AM May 24, 2022Observed: 2.36 ft at 10:45AM May 24, 2022Observed: 2.37 ft at 11:00AM May 24, 2022Observed: 2.36 ft at 11:15AM May 24, 2022Observed: 2.37 ft at 11:30AM May 24, 2022Highest Observation: 2.38 ft at 11:45AM May 24, 2022Highest Observation: 2.38 ft at 12:00PM May 24, 2022USGS--Water Resources of the United StatesMNTK1(plotting HGIRG) Graph Created (1:08PM May 24, 2022)ObservedLatest observed value: 2.38 ft at 12:00 PM CDT 24-May-2022. Flood Stage is 19 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
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 Big Blue River near Manhattan are issued as needed during times of high water, but are not routinely available.

Vertical datum height surveyed by the USGS

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Upstream Gauge - at Tuttle Creek Lake Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 27
Flood Stage: 19
Action Stage: 15
Low Stage (in feet): -9999

Historic Crests
(1) 36.04 ft on 07/12/1951
(2) 32.71 ft on 07/23/1993
(3) 22.41 ft on 06/01/2019
(4) 19.76 ft on 07/19/2019
(5) 19.28 ft on 08/07/1992
(6) 18.07 ft on 06/13/1995
(7) 17.85 ft on 06/30/2015
(8) 17.73 ft on 05/24/2007
(9) 17.56 ft on 03/22/2001
(10) 16.87 ft on 06/19/2008
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.97 ft on 04/02/2021
(2) 13.44 ft on 11/15/2019
(3) 19.76 ft on 07/19/2019
(4) 22.41 ft on 06/01/2019
(5) 14.08 ft on 05/09/2017
(6) 14.36 ft on 06/09/2016
(7) 17.85 ft on 06/30/2015
(8) 9.68 ft on 06/10/2014
(9) 10.76 ft on 06/12/2013
(10) 7.89 ft on 04/22/2012
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:14
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
37 Levee along the Big Blue River is overtopped.
30 Structures along and north of Prospect Street and along Messenger Road flood.
27 Structures along Harwood Road flood.
19 Minor low land flooding begins along the river.
About This Location Collapse

Latitude: 39.237222° N, Longitude: 96.571111° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 19 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 989.25 ft 1008.25 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 988.86 ft 1007.86 ft 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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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
Topeka Weather Forecast Office
1116 NE Strait Ave.
Topeka, KS 66616-1698
(785) 234-2592
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