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Hydrograph River at a Glance Download Inundation
Mapping
Big Blue River near Manhattan Stage (ft)Flow (kcfs)Highest Observation: 3.85 ft at 4:30AM Apr 17, 2021Observed: 3.84 ft at 4:45AM Apr 17, 2021Highest Observation: 3.85 ft at 5:00AM Apr 17, 2021Highest Observation: 3.85 ft at 5:15AM Apr 17, 2021Highest Observation: 3.85 ft at 5:30AM Apr 17, 2021Observed: 3.84 ft at 5:45AM Apr 17, 2021Observed: 3.84 ft at 6:00AM Apr 17, 2021Observed: 3.84 ft at 6:15AM Apr 17, 2021Observed: 3.84 ft at 6:30AM Apr 17, 2021Observed: 3.84 ft at 6:45AM Apr 17, 2021Observed: 3.84 ft at 7:00AM Apr 17, 2021Observed: 3.84 ft at 7:15AM Apr 17, 2021Observed: 3.84 ft at 7:30AM Apr 17, 2021Observed: 3.84 ft at 7:45AM Apr 17, 2021Highest Observation: 3.85 ft at 8:00AM Apr 17, 2021Observed: 3.84 ft at 8:15AM Apr 17, 2021Observed: 3.84 ft at 8:30AM Apr 17, 2021Observed: 3.84 ft at 8:45AM Apr 17, 2021Observed: 3.84 ft at 9:00AM Apr 17, 2021Observed: 3.84 ft at 9:15AM Apr 17, 2021Highest Observation: 3.85 ft at 9:30AM Apr 17, 2021Highest Observation: 3.85 ft at 9:45AM Apr 17, 2021Observed: 3.84 ft at 10:00AM Apr 17, 2021Observed: 3.84 ft at 10:15AM Apr 17, 2021Observed: 3.84 ft at 10:30AM Apr 17, 2021Observed: 3.84 ft at 10:45AM Apr 17, 2021Highest Observation: 3.85 ft at 11:00AM Apr 17, 2021Observed: 3.84 ft at 11:15AM Apr 17, 2021Highest Observation: 3.85 ft at 11:30AM Apr 17, 2021Observed: 3.84 ft at 11:45AM Apr 17, 2021Highest Observation: 3.85 ft at 12:00PM Apr 17, 2021Highest Observation: 3.85 ft at 12:15PM Apr 17, 2021Observed: 3.84 ft at 12:30PM Apr 17, 2021Observed: 3.84 ft at 12:45PM Apr 17, 2021Observed: 3.84 ft at 1:00PM Apr 17, 2021Observed: 3.84 ft at 1:15PM Apr 17, 2021Observed: 3.84 ft at 1:30PM Apr 17, 2021Highest Observation: 3.85 ft at 1:45PM Apr 17, 2021Observed: 3.84 ft at 2:00PM Apr 17, 2021Observed: 3.84 ft at 2:15PM Apr 17, 2021Observed: 3.84 ft at 2:30PM Apr 17, 2021Observed: 3.84 ft at 2:31PM Apr 17, 2021Observed: 3.84 ft at 2:45PM Apr 17, 2021Observed: 3.84 ft at 3:00PM Apr 17, 2021Observed: 3.83 ft at 3:15PM Apr 17, 2021Observed: 3.84 ft at 3:30PM Apr 17, 2021Observed: 3.84 ft at 3:45PM Apr 17, 2021Observed: 3.84 ft at 4:00PM Apr 17, 2021Observed: 3.84 ft at 4:15PM Apr 17, 2021Observed: 3.84 ft at 4:30PM Apr 17, 2021Observed: 3.84 ft at 4:45PM Apr 17, 2021Observed: 3.84 ft at 5:00PM Apr 17, 2021Highest Observation: 3.85 ft at 5:15PM Apr 17, 2021Observed: 3.84 ft at 5:30PM Apr 17, 2021Observed: 3.84 ft at 5:45PM Apr 17, 2021Observed: 3.83 ft at 6:00PM Apr 17, 2021Observed: 3.84 ft at 6:15PM Apr 17, 2021Observed: 3.84 ft at 6:30PM Apr 17, 2021Observed: 3.83 ft at 6:45PM Apr 17, 2021Observed: 3.83 ft at 7:00PM Apr 17, 2021Observed: 3.83 ft at 7:15PM Apr 17, 2021Observed: 3.84 ft at 7:30PM Apr 17, 2021Observed: 3.83 ft at 7:45PM Apr 17, 2021Observed: 3.83 ft at 8:00PM Apr 17, 2021Observed: 3.84 ft at 8:15PM Apr 17, 2021Observed: 3.83 ft at 8:30PM Apr 17, 2021Observed: 3.83 ft at 8:45PM Apr 17, 2021Observed: 3.83 ft at 9:00PM Apr 17, 2021Observed: 3.84 ft at 9:15PM Apr 17, 2021Observed: 3.83 ft at 9:30PM Apr 17, 2021Observed: 3.83 ft at 9:45PM Apr 17, 2021Observed: 3.84 ft at 10:00PM Apr 17, 2021Observed: 3.83 ft at 10:15PM Apr 17, 2021Observed: 3.84 ft at 10:30PM Apr 17, 2021Observed: 3.83 ft at 10:45PM Apr 17, 2021Observed: 3.84 ft at 11:00PM Apr 17, 2021Observed: 3.84 ft at 11:15PM Apr 17, 2021Observed: 3.83 ft at 11:30PM Apr 17, 2021Observed: 3.84 ft at 11:45PM Apr 17, 2021Observed: 3.84 ft at 12:00AM Apr 18, 2021Observed: 3.83 ft at 12:15AM Apr 18, 2021Observed: 3.84 ft at 12:30AM Apr 18, 2021Observed: 3.84 ft at 12:45AM Apr 18, 2021Observed: 3.84 ft at 1:00AM Apr 18, 2021Observed: 3.84 ft at 1:15AM Apr 18, 2021Observed: 3.84 ft at 1:30AM Apr 18, 2021Observed: 3.84 ft at 1:45AM Apr 18, 2021Observed: 3.84 ft at 2:00AM Apr 18, 2021Observed: 3.84 ft at 2:15AM Apr 18, 2021Observed: 3.84 ft at 2:30AM Apr 18, 2021Observed: 3.84 ft at 2:45AM Apr 18, 2021Observed: 3.84 ft at 3:00AM Apr 18, 2021Observed: 3.84 ft at 3:15AM Apr 18, 2021Observed: 3.84 ft at 3:30AM Apr 18, 2021Observed: 3.84 ft at 3:45AM Apr 18, 2021Observed: 3.84 ft at 4:00AM Apr 18, 2021Observed: 3.84 ft at 4:15AM Apr 18, 2021Observed: 3.84 ft at 4:30AM Apr 18, 2021Observed: 3.84 ft at 4:45AM Apr 18, 2021Observed: 3.84 ft at 5:00AM Apr 18, 2021Observed: 3.84 ft at 5:15AM Apr 18, 2021Observed: 3.84 ft at 5:30AM Apr 18, 2021Observed: 3.84 ft at 5:45AM Apr 18, 2021Observed: 3.84 ft at 6:00AM Apr 18, 2021Observed: 3.84 ft at 6:15AM Apr 18, 2021Observed: 3.83 ft at 6:30AM Apr 18, 2021Observed: 3.84 ft at 6:45AM Apr 18, 2021Observed: 3.84 ft at 7:00AM Apr 18, 2021Observed: 3.84 ft at 7:15AM Apr 18, 2021Observed: 3.84 ft at 7:30AM Apr 18, 2021Observed: 3.84 ft at 7:45AM Apr 18, 2021Observed: 3.84 ft at 8:00AM Apr 18, 2021Observed: 3.84 ft at 8:15AM Apr 18, 2021Observed: 3.84 ft at 8:30AM Apr 18, 2021Observed: 3.84 ft at 8:45AM Apr 18, 2021Highest Observation: 3.85 ft at 9:00AM Apr 18, 2021Observed: 3.84 ft at 9:15AM Apr 18, 2021Highest Observation: 3.85 ft at 9:30AM Apr 18, 2021Observed: 3.84 ft at 9:45AM Apr 18, 2021Highest Observation: 3.85 ft at 10:00AM Apr 18, 2021Highest Observation: 3.85 ft at 10:15AM Apr 18, 2021Highest Observation: 3.85 ft at 10:30AM Apr 18, 2021Highest Observation: 3.85 ft at 10:45AM Apr 18, 2021Observed: 3.84 ft at 11:00AM Apr 18, 2021Observed: 3.83 ft at 11:15AM Apr 18, 2021Observed: 3.84 ft at 11:30AM Apr 18, 2021Observed: 3.84 ft at 11:45AM Apr 18, 2021Observed: 3.84 ft at 12:00PM Apr 18, 2021Observed: 3.84 ft at 12:15PM Apr 18, 2021Observed: 3.84 ft at 12:30PM Apr 18, 2021Observed: 3.84 ft at 12:45PM Apr 18, 2021Observed: 3.84 ft at 1:00PM Apr 18, 2021Observed: 3.84 ft at 1:15PM Apr 18, 2021Observed: 3.84 ft at 1:30PM Apr 18, 2021Observed: 3.84 ft at 1:45PM Apr 18, 2021Observed: 3.83 ft at 2:00PM Apr 18, 2021Observed: 3.84 ft at 2:15PM Apr 18, 2021Observed: 3.84 ft at 2:30PM Apr 18, 2021Observed: 3.84 ft at 2:31PM Apr 18, 2021Observed: 3.84 ft at 2:45PM Apr 18, 2021Observed: 3.84 ft at 3:00PM Apr 18, 2021Observed: 3.84 ft at 3:15PM Apr 18, 2021Observed: 3.84 ft at 3:30PM Apr 18, 2021Observed: 3.84 ft at 3:45PM Apr 18, 2021Observed: 3.84 ft at 4:00PM Apr 18, 2021Observed: 3.84 ft at 4:15PM Apr 18, 2021Observed: 3.83 ft at 4:30PM Apr 18, 2021Observed: 3.83 ft at 4:45PM Apr 18, 2021Observed: 3.84 ft at 5:00PM Apr 18, 2021Observed: 3.83 ft at 5:15PM Apr 18, 2021Observed: 3.83 ft at 5:30PM Apr 18, 2021Observed: 3.83 ft at 5:45PM Apr 18, 2021Observed: 3.83 ft at 6:00PM Apr 18, 2021Observed: 3.84 ft at 6:15PM Apr 18, 2021Observed: 3.83 ft at 6:30PM Apr 18, 2021Observed: 3.83 ft at 6:45PM Apr 18, 2021Observed: 3.83 ft at 7:00PM Apr 18, 2021Observed: 3.83 ft at 7:15PM Apr 18, 2021Observed: 3.83 ft at 7:30PM Apr 18, 2021Observed: 3.83 ft at 7:45PM Apr 18, 2021Observed: 3.83 ft at 8:00PM Apr 18, 2021Observed: 3.83 ft at 8:15PM Apr 18, 2021Observed: 3.83 ft at 8:30PM Apr 18, 2021Observed: 3.83 ft at 8:45PM Apr 18, 2021Observed: 3.82 ft at 9:00PM Apr 18, 2021Observed: 3.83 ft at 9:15PM Apr 18, 2021Observed: 3.83 ft at 9:30PM Apr 18, 2021Observed: 3.84 ft at 9:45PM Apr 18, 2021Observed: 3.84 ft at 10:00PM Apr 18, 2021Observed: 3.84 ft at 10:15PM Apr 18, 2021Observed: 3.83 ft at 10:30PM Apr 18, 2021Observed: 3.84 ft at 10:45PM Apr 18, 2021Observed: 3.83 ft at 11:00PM Apr 18, 2021Observed: 3.84 ft at 11:15PM Apr 18, 2021Observed: 3.83 ft at 11:30PM Apr 18, 2021Observed: 3.84 ft at 11:45PM Apr 18, 2021Observed: 3.84 ft at 12:00AM Apr 19, 2021Observed: 3.83 ft at 12:15AM Apr 19, 2021Observed: 3.83 ft at 12:30AM Apr 19, 2021Observed: 3.84 ft at 12:45AM Apr 19, 2021Observed: 3.84 ft at 1:00AM Apr 19, 2021Observed: 3.84 ft at 1:15AM Apr 19, 2021Observed: 3.84 ft at 1:30AM Apr 19, 2021Observed: 3.83 ft at 1:45AM Apr 19, 2021Observed: 3.83 ft at 2:00AM Apr 19, 2021Observed: 3.83 ft at 2:15AM Apr 19, 2021Observed: 3.83 ft at 2:30AM Apr 19, 2021Observed: 3.84 ft at 2:45AM Apr 19, 2021Observed: 3.84 ft at 3:00AM Apr 19, 2021Observed: 3.83 ft at 3:15AM Apr 19, 2021Observed: 3.84 ft at 3:30AM Apr 19, 2021Observed: 3.83 ft at 3:45AM Apr 19, 2021Observed: 3.83 ft at 4:00AM Apr 19, 2021Observed: 3.84 ft at 4:15AM Apr 19, 2021Observed: 3.83 ft at 4:30AM Apr 19, 2021Observed: 3.83 ft at 4:45AM Apr 19, 2021Observed: 3.84 ft at 5:00AM Apr 19, 2021Observed: 3.83 ft at 5:15AM Apr 19, 2021Observed: 3.83 ft at 5:30AM Apr 19, 2021Observed: 3.83 ft at 5:45AM Apr 19, 2021Observed: 3.83 ft at 6:00AM Apr 19, 2021Observed: 3.83 ft at 6:15AM Apr 19, 2021Observed: 3.83 ft at 6:30AM Apr 19, 2021Observed: 3.84 ft at 6:45AM Apr 19, 2021Observed: 3.84 ft at 7:00AM Apr 19, 2021Observed: 3.84 ft at 7:15AM Apr 19, 2021Observed: 3.83 ft at 7:30AM Apr 19, 2021Observed: 3.84 ft at 7:45AM Apr 19, 2021Observed: 3.84 ft at 8:00AM Apr 19, 2021Observed: 3.84 ft at 8:15AM Apr 19, 2021Observed: 3.84 ft at 8:30AM Apr 19, 2021Observed: 3.78 ft at 8:45AM Apr 19, 2021Observed: 3.72 ft at 9:00AM Apr 19, 2021Observed: 3.62 ft at 9:15AM Apr 19, 2021Observed: 3.53 ft at 9:30AM Apr 19, 2021Observed: 3.44 ft at 9:45AM Apr 19, 2021Observed: 3.36 ft at 10:00AM Apr 19, 2021Observed: 3.28 ft at 10:15AM Apr 19, 2021Observed: 3.21 ft at 10:30AM Apr 19, 2021Observed: 3.15 ft at 10:45AM Apr 19, 2021Observed: 3.08 ft at 11:00AM Apr 19, 2021Observed: 3.03 ft at 11:15AM Apr 19, 2021Observed: 2.98 ft at 11:30AM Apr 19, 2021Observed: 2.94 ft at 11:45AM Apr 19, 2021Observed: 2.91 ft at 12:00PM Apr 19, 2021Observed: 2.87 ft at 12:15PM Apr 19, 2021Observed: 2.83 ft at 12:30PM Apr 19, 2021Observed: 2.81 ft at 12:45PM Apr 19, 2021Observed: 2.78 ft at 1:00PM Apr 19, 2021Observed: 2.76 ft at 1:15PM Apr 19, 2021Observed: 2.75 ft at 1:30PM Apr 19, 2021Observed: 2.73 ft at 1:45PM Apr 19, 2021Observed: 2.7 ft at 2:00PM Apr 19, 2021Observed: 2.69 ft at 2:15PM Apr 19, 2021Observed: 2.67 ft at 2:30PM Apr 19, 2021Observed: 2.67 ft at 2:31PM Apr 19, 2021Observed: 2.66 ft at 2:45PM Apr 19, 2021Observed: 2.66 ft at 3:00PM Apr 19, 2021Observed: 2.66 ft at 3:15PM Apr 19, 2021Observed: 2.64 ft at 3:30PM Apr 19, 2021Observed: 2.64 ft at 3:45PM Apr 19, 2021Observed: 2.63 ft at 4:00PM Apr 19, 2021Observed: 2.63 ft at 4:15PM Apr 19, 2021Observed: 2.62 ft at 4:30PM Apr 19, 2021Observed: 2.62 ft at 4:45PM Apr 19, 2021Observed: 2.62 ft at 5:00PM Apr 19, 2021Observed: 2.6 ft at 5:15PM Apr 19, 2021Observed: 2.61 ft at 5:30PM Apr 19, 2021Observed: 2.6 ft at 5:45PM Apr 19, 2021Observed: 2.59 ft at 6:00PM Apr 19, 2021Observed: 2.6 ft at 6:15PM Apr 19, 2021Observed: 2.61 ft at 6:30PM Apr 19, 2021Observed: 2.6 ft at 6:45PM Apr 19, 2021Observed: 2.59 ft at 7:00PM Apr 19, 2021Observed: 2.59 ft at 7:15PM Apr 19, 2021Observed: 2.6 ft at 7:30PM Apr 19, 2021Observed: 2.6 ft at 7:45PM Apr 19, 2021Observed: 2.58 ft at 8:00PM Apr 19, 2021Observed: 2.59 ft at 8:15PM Apr 19, 2021Observed: 2.59 ft at 8:30PM Apr 19, 2021Observed: 2.59 ft at 8:45PM Apr 19, 2021Observed: 2.59 ft at 9:00PM Apr 19, 2021Observed: 2.59 ft at 9:15PM Apr 19, 2021Observed: 2.58 ft at 9:30PM Apr 19, 2021Observed: 2.58 ft at 9:45PM Apr 19, 2021Observed: 2.58 ft at 10:00PM Apr 19, 2021Observed: 2.58 ft at 10:15PM Apr 19, 2021Observed: 2.58 ft at 10:30PM Apr 19, 2021Observed: 2.58 ft at 10:45PM Apr 19, 2021Observed: 2.59 ft at 11:00PM Apr 19, 2021Observed: 2.58 ft at 11:15PM Apr 19, 2021Observed: 2.58 ft at 11:30PM Apr 19, 2021Observed: 2.58 ft at 11:45PM Apr 19, 2021Observed: 2.58 ft at 12:00AM Apr 20, 2021Observed: 2.59 ft at 12:15AM Apr 20, 2021Observed: 2.59 ft at 12:30AM Apr 20, 2021Observed: 2.58 ft at 12:45AM Apr 20, 2021Observed: 2.59 ft at 1:00AM Apr 20, 2021Observed: 2.59 ft at 1:15AM Apr 20, 2021Observed: 2.59 ft at 1:30AM Apr 20, 2021Observed: 2.59 ft at 1:45AM Apr 20, 2021Observed: 2.59 ft at 2:00AM Apr 20, 2021Observed: 2.59 ft at 2:15AM Apr 20, 2021Observed: 2.59 ft at 2:30AM Apr 20, 2021Observed: 2.6 ft at 2:45AM Apr 20, 2021Observed: 2.59 ft at 3:00AM Apr 20, 2021USGS--Water Resources of the United StatesMNTK1(plotting HGIRG) Graph Created (4:23AM Apr 20, 2021)ObservedLatest observed value: 2.59 ft at 3:00 AM CDT 20-Apr-2021. Flood Stage is 19 ft
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About this graph
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 Big Blue River near Manhattan are issued as needed during times of high water, but are not routinely available.

Return to Area Map
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) 19.76 ft on 07/19/2019
(2) 22.41 ft on 06/01/2019
(3) 14.08 ft on 05/09/2017
(4) 14.36 ft on 06/09/2016
(5) 17.85 ft on 06/30/2015
(6) 9.68 ft on 06/10/2014
(7) 10.76 ft on 06/12/2013
(8) 7.89 ft on 04/22/2012
(9) 14.98 ft on 06/04/2011
(10) 14.73 ft on 08/13/2010
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: NAD83/WGS84

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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 988.860 1017.86 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:
Additional Information Collapse
How low could the river get?
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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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