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Hydrograph River at a Glance Download
Big Blue River at Blue Rapids Stage (ft)Highest Observation: 19.14 ft at 6:30PM Apr 12, 2021Highest Observation: 19.14 ft at 6:45PM Apr 12, 2021Highest Observation: 19.14 ft at 7:00PM Apr 12, 2021Observed: 19.13 ft at 7:15PM Apr 12, 2021Observed: 19.12 ft at 7:30PM Apr 12, 2021Observed: 19.13 ft at 7:45PM Apr 12, 2021Observed: 19.12 ft at 8:00PM Apr 12, 2021Observed: 19.11 ft at 8:15PM Apr 12, 2021Observed: 19.12 ft at 8:30PM Apr 12, 2021Observed: 19.11 ft at 8:45PM Apr 12, 2021Observed: 19.1 ft at 9:00PM Apr 12, 2021Observed: 19.1 ft at 9:15PM Apr 12, 2021Observed: 19.1 ft at 9:30PM Apr 12, 2021Observed: 19.09 ft at 9:45PM Apr 12, 2021Observed: 19.09 ft at 10:00PM Apr 12, 2021Observed: 19.08 ft at 10:15PM Apr 12, 2021Observed: 19.07 ft at 10:30PM Apr 12, 2021Observed: 19.07 ft at 10:45PM Apr 12, 2021Observed: 19.07 ft at 11:00PM Apr 12, 2021Observed: 19.07 ft at 11:15PM Apr 12, 2021Observed: 19.06 ft at 11:30PM Apr 12, 2021Observed: 19.05 ft at 11:45PM Apr 12, 2021Observed: 19.04 ft at 12:00AM Apr 13, 2021Observed: 19.04 ft at 12:15AM Apr 13, 2021Observed: 19.03 ft at 12:30AM Apr 13, 2021Observed: 19.04 ft at 12:45AM Apr 13, 2021Observed: 19.03 ft at 1:00AM Apr 13, 2021Observed: 19.02 ft at 1:15AM Apr 13, 2021Observed: 19.01 ft at 1:30AM Apr 13, 2021Observed: 19.01 ft at 1:45AM Apr 13, 2021Observed: 19 ft at 2:00AM Apr 13, 2021Observed: 18.99 ft at 2:15AM Apr 13, 2021Observed: 18.99 ft at 2:30AM Apr 13, 2021Observed: 18.98 ft at 2:45AM Apr 13, 2021Observed: 18.96 ft at 3:00AM Apr 13, 2021Observed: 18.96 ft at 3:15AM Apr 13, 2021Observed: 18.96 ft at 3:30AM Apr 13, 2021Observed: 18.95 ft at 3:45AM Apr 13, 2021Observed: 18.94 ft at 4:15AM Apr 13, 2021Observed: 18.94 ft at 4:45AM Apr 13, 2021Observed: 18.94 ft at 5:00AM Apr 13, 2021Observed: 18.91 ft at 5:30AM Apr 13, 2021Observed: 18.9 ft at 5:45AM Apr 13, 2021Observed: 18.9 ft at 6:00AM Apr 13, 2021Observed: 18.91 ft at 6:15AM Apr 13, 2021Observed: 18.9 ft at 6:45AM Apr 13, 2021Observed: 18.88 ft at 7:00AM Apr 13, 2021Observed: 18.89 ft at 7:15AM Apr 13, 2021Observed: 18.88 ft at 7:30AM Apr 13, 2021Observed: 18.86 ft at 7:45AM Apr 13, 2021Observed: 18.86 ft at 8:00AM Apr 13, 2021Observed: 18.86 ft at 8:15AM Apr 13, 2021Observed: 18.82 ft at 8:45AM Apr 13, 2021Observed: 18.79 ft at 9:30AM Apr 13, 2021Observed: 18.74 ft at 9:45AM Apr 13, 2021Observed: 18.78 ft at 10:00AM Apr 13, 2021Observed: 18.75 ft at 10:15AM Apr 13, 2021Observed: 18.76 ft at 10:30AM Apr 13, 2021Observed: 18.73 ft at 10:45AM Apr 13, 2021Observed: 18.72 ft at 11:00AM Apr 13, 2021Observed: 18.72 ft at 11:15AM Apr 13, 2021Observed: 18.71 ft at 11:30AM Apr 13, 2021Observed: 18.71 ft at 11:45AM Apr 13, 2021Observed: 18.73 ft at 12:00PM Apr 13, 2021Observed: 18.7 ft at 12:15PM Apr 13, 2021Observed: 18.71 ft at 12:30PM Apr 13, 2021Observed: 18.67 ft at 12:45PM Apr 13, 2021Observed: 18.68 ft at 1:00PM Apr 13, 2021Observed: 18.7 ft at 1:15PM Apr 13, 2021Observed: 18.7 ft at 1:30PM Apr 13, 2021Observed: 18.65 ft at 1:45PM Apr 13, 2021Observed: 18.66 ft at 2:00PM Apr 13, 2021Observed: 18.65 ft at 2:15PM Apr 13, 2021Observed: 18.67 ft at 2:30PM Apr 13, 2021Observed: 18.67 ft at 2:45PM Apr 13, 2021Observed: 18.64 ft at 3:00PM Apr 13, 2021Observed: 18.58 ft at 4:00PM Apr 13, 2021Observed: 18.61 ft at 4:15PM Apr 13, 2021Observed: 18.65 ft at 4:30PM Apr 13, 2021Observed: 18.62 ft at 4:45PM Apr 13, 2021Observed: 18.61 ft at 5:00PM Apr 13, 2021Observed: 18.63 ft at 5:15PM Apr 13, 2021Observed: 18.61 ft at 5:45PM Apr 13, 2021Observed: 18.62 ft at 6:00PM Apr 13, 2021Observed: 18.63 ft at 6:15PM Apr 13, 2021Observed: 18.59 ft at 6:30PM Apr 13, 2021Observed: 18.61 ft at 6:45PM Apr 13, 2021Observed: 18.59 ft at 7:00PM Apr 13, 2021Observed: 18.59 ft at 7:15PM Apr 13, 2021Observed: 18.59 ft at 7:30PM Apr 13, 2021Observed: 18.59 ft at 7:45PM Apr 13, 2021Observed: 18.59 ft at 8:00PM Apr 13, 2021Observed: 18.59 ft at 8:15PM Apr 13, 2021Observed: 18.57 ft at 8:30PM Apr 13, 2021Observed: 18.58 ft at 8:45PM Apr 13, 2021Observed: 18.59 ft at 9:00PM Apr 13, 2021Observed: 18.57 ft at 9:15PM Apr 13, 2021Observed: 18.56 ft at 9:30PM Apr 13, 2021Observed: 18.56 ft at 9:45PM Apr 13, 2021Observed: 18.56 ft at 10:00PM Apr 13, 2021Observed: 18.56 ft at 10:15PM Apr 13, 2021Observed: 18.55 ft at 10:30PM Apr 13, 2021Observed: 18.54 ft at 10:45PM Apr 13, 2021Observed: 18.53 ft at 11:00PM Apr 13, 2021Observed: 18.51 ft at 11:15PM Apr 13, 2021Observed: 18.52 ft at 11:30PM Apr 13, 2021Observed: 18.52 ft at 11:45PM Apr 13, 2021Observed: 18.52 ft at 12:00AM Apr 14, 2021Observed: 18.52 ft at 12:15AM Apr 14, 2021Observed: 18.51 ft at 12:30AM Apr 14, 2021Observed: 18.5 ft at 12:45AM Apr 14, 2021Observed: 18.48 ft at 1:00AM Apr 14, 2021Observed: 18.49 ft at 1:15AM Apr 14, 2021Observed: 18.49 ft at 1:30AM Apr 14, 2021Observed: 18.48 ft at 1:45AM Apr 14, 2021Observed: 18.48 ft at 2:00AM Apr 14, 2021Observed: 18.48 ft at 2:15AM Apr 14, 2021Observed: 18.47 ft at 2:30AM Apr 14, 2021Observed: 18.46 ft at 2:45AM Apr 14, 2021Observed: 18.46 ft at 3:00AM Apr 14, 2021Observed: 18.45 ft at 3:15AM Apr 14, 2021Observed: 18.45 ft at 3:30AM Apr 14, 2021Observed: 18.44 ft at 3:45AM Apr 14, 2021Observed: 18.43 ft at 4:00AM Apr 14, 2021Observed: 18.43 ft at 4:15AM Apr 14, 2021Observed: 18.43 ft at 4:30AM Apr 14, 2021Observed: 18.43 ft at 4:45AM Apr 14, 2021Observed: 18.42 ft at 5:00AM Apr 14, 2021Observed: 18.42 ft at 5:15AM Apr 14, 2021Observed: 18.41 ft at 5:30AM Apr 14, 2021Observed: 18.41 ft at 5:45AM Apr 14, 2021Observed: 18.41 ft at 6:00AM Apr 14, 2021Observed: 18.4 ft at 6:15AM Apr 14, 2021Observed: 18.39 ft at 6:30AM Apr 14, 2021Observed: 18.39 ft at 6:45AM Apr 14, 2021Observed: 18.39 ft at 7:00AM Apr 14, 2021Observed: 18.39 ft at 7:15AM Apr 14, 2021Observed: 18.39 ft at 7:30AM Apr 14, 2021Observed: 18.38 ft at 7:45AM Apr 14, 2021Observed: 18.37 ft at 8:00AM Apr 14, 2021Observed: 18.36 ft at 8:15AM Apr 14, 2021Observed: 18.29 ft at 8:45AM Apr 14, 2021Observed: 18.31 ft at 9:00AM Apr 14, 2021Observed: 18.3 ft at 9:15AM Apr 14, 2021Observed: 18.28 ft at 9:30AM Apr 14, 2021Observed: 18.27 ft at 9:45AM Apr 14, 2021Observed: 18.27 ft at 10:00AM Apr 14, 2021Observed: 18.25 ft at 10:15AM Apr 14, 2021Observed: 18.26 ft at 10:30AM Apr 14, 2021Observed: 18.24 ft at 10:45AM Apr 14, 2021Observed: 18.24 ft at 11:00AM Apr 14, 2021Observed: 18.26 ft at 11:15AM Apr 14, 2021Observed: 18.25 ft at 11:30AM Apr 14, 2021Observed: 18.21 ft at 11:45AM Apr 14, 2021Observed: 18.24 ft at 12:00PM Apr 14, 2021Observed: 18.23 ft at 12:15PM Apr 14, 2021Observed: 18.26 ft at 12:30PM Apr 14, 2021Observed: 18.22 ft at 12:45PM Apr 14, 2021Observed: 18.22 ft at 1:00PM Apr 14, 2021Observed: 18.2 ft at 1:15PM Apr 14, 2021Observed: 18.22 ft at 1:30PM Apr 14, 2021Observed: 18.18 ft at 1:45PM Apr 14, 2021Observed: 18.18 ft at 2:00PM Apr 14, 2021Observed: 18.17 ft at 2:15PM Apr 14, 2021Observed: 18.18 ft at 2:30PM Apr 14, 2021Observed: 18.19 ft at 2:45PM Apr 14, 2021Observed: 18.17 ft at 3:00PM Apr 14, 2021Observed: 18.18 ft at 3:15PM Apr 14, 2021Observed: 18.15 ft at 3:30PM Apr 14, 2021Observed: 18.18 ft at 3:45PM Apr 14, 2021Observed: 18.15 ft at 4:00PM Apr 14, 2021Observed: 18.17 ft at 4:15PM Apr 14, 2021Observed: 18.18 ft at 4:30PM Apr 14, 2021Observed: 18.14 ft at 4:45PM Apr 14, 2021Observed: 18.16 ft at 5:00PM Apr 14, 2021Observed: 18.18 ft at 5:15PM Apr 14, 2021Observed: 18.15 ft at 5:30PM Apr 14, 2021Observed: 18.15 ft at 5:45PM Apr 14, 2021Observed: 18.17 ft at 6:00PM Apr 14, 2021Observed: 18.15 ft at 6:15PM Apr 14, 2021Observed: 18.13 ft at 6:30PM Apr 14, 2021Observed: 18.12 ft at 6:45PM Apr 14, 2021Observed: 18.15 ft at 7:00PM Apr 14, 2021Observed: 18.14 ft at 7:15PM Apr 14, 2021Observed: 18.19 ft at 7:30PM Apr 14, 2021Observed: 18.18 ft at 7:45PM Apr 14, 2021Observed: 18.18 ft at 8:00PM Apr 14, 2021Observed: 18.18 ft at 8:15PM Apr 14, 2021Observed: 18.18 ft at 8:30PM Apr 14, 2021Observed: 18.17 ft at 8:45PM Apr 14, 2021Observed: 18.17 ft at 9:00PM Apr 14, 2021Observed: 18.16 ft at 9:15PM Apr 14, 2021Observed: 18.15 ft at 9:30PM Apr 14, 2021Observed: 18.16 ft at 9:45PM Apr 14, 2021Observed: 18.16 ft at 10:00PM Apr 14, 2021Observed: 18.15 ft at 10:15PM Apr 14, 2021Observed: 18.16 ft at 10:30PM Apr 14, 2021Observed: 18.15 ft at 10:45PM Apr 14, 2021Observed: 18.14 ft at 11:00PM Apr 14, 2021Observed: 18.14 ft at 11:15PM Apr 14, 2021Observed: 18.13 ft at 11:30PM Apr 14, 2021Observed: 18.13 ft at 11:45PM Apr 14, 2021Observed: 18.13 ft at 12:00AM Apr 15, 2021Observed: 18.12 ft at 12:15AM Apr 15, 2021Observed: 18.12 ft at 12:30AM Apr 15, 2021Observed: 18.12 ft at 12:45AM Apr 15, 2021Observed: 18.11 ft at 1:00AM Apr 15, 2021Observed: 18.12 ft at 1:15AM Apr 15, 2021Observed: 18.11 ft at 1:30AM Apr 15, 2021Observed: 18.1 ft at 1:45AM Apr 15, 2021Observed: 18.11 ft at 2:00AM Apr 15, 2021Observed: 18.1 ft at 2:15AM Apr 15, 2021Observed: 18.1 ft at 2:30AM Apr 15, 2021Observed: 18.09 ft at 2:45AM Apr 15, 2021Observed: 18.09 ft at 3:00AM Apr 15, 2021Observed: 18.09 ft at 3:15AM Apr 15, 2021Observed: 18.09 ft at 3:30AM Apr 15, 2021Observed: 18.09 ft at 3:45AM Apr 15, 2021Observed: 18.08 ft at 4:00AM Apr 15, 2021Observed: 18.08 ft at 4:15AM Apr 15, 2021Observed: 18.08 ft at 4:30AM Apr 15, 2021Observed: 18.07 ft at 4:45AM Apr 15, 2021Observed: 18.07 ft at 5:00AM Apr 15, 2021Observed: 18.07 ft at 5:15AM Apr 15, 2021Observed: 18.06 ft at 5:30AM Apr 15, 2021Observed: 18.06 ft at 5:45AM Apr 15, 2021Observed: 18.06 ft at 6:00AM Apr 15, 2021Observed: 18.05 ft at 6:15AM Apr 15, 2021Observed: 18.05 ft at 6:30AM Apr 15, 2021Observed: 18.05 ft at 6:45AM Apr 15, 2021Observed: 18.05 ft at 7:00AM Apr 15, 2021Observed: 18.05 ft at 7:15AM Apr 15, 2021Observed: 18.04 ft at 7:30AM Apr 15, 2021Observed: 18.04 ft at 7:45AM Apr 15, 2021Observed: 18.04 ft at 8:00AM Apr 15, 2021Observed: 18.04 ft at 8:15AM Apr 15, 2021Observed: 18.03 ft at 8:30AM Apr 15, 2021Observed: 18.02 ft at 8:45AM Apr 15, 2021Observed: 18.01 ft at 9:00AM Apr 15, 2021Observed: 18.01 ft at 9:15AM Apr 15, 2021Observed: 18.01 ft at 9:30AM Apr 15, 2021Observed: 18.01 ft at 9:45AM Apr 15, 2021Observed: 17.98 ft at 10:00AM Apr 15, 2021Observed: 17.99 ft at 10:30AM Apr 15, 2021Observed: 17.95 ft at 11:00AM Apr 15, 2021Observed: 17.98 ft at 11:15AM Apr 15, 2021Observed: 17.96 ft at 11:30AM Apr 15, 2021Observed: 17.98 ft at 11:45AM Apr 15, 2021Observed: 17.94 ft at 12:00PM Apr 15, 2021Observed: 17.98 ft at 12:15PM Apr 15, 2021Observed: 17.98 ft at 12:30PM Apr 15, 2021Observed: 17.95 ft at 12:45PM Apr 15, 2021Observed: 17.96 ft at 1:00PM Apr 15, 2021Observed: 17.97 ft at 1:15PM Apr 15, 2021Observed: 17.96 ft at 1:30PM Apr 15, 2021Observed: 17.92 ft at 1:45PM Apr 15, 2021Observed: 17.95 ft at 2:00PM Apr 15, 2021Observed: 17.94 ft at 2:15PM Apr 15, 2021Observed: 17.96 ft at 2:30PM Apr 15, 2021Observed: 17.95 ft at 2:45PM Apr 15, 2021Observed: 17.95 ft at 3:00PM Apr 15, 2021Observed: 17.93 ft at 3:15PM Apr 15, 2021Observed: 17.95 ft at 3:30PM Apr 15, 2021Observed: 17.92 ft at 3:45PM Apr 15, 2021Observed: 17.94 ft at 4:00PM Apr 15, 2021Observed: 17.94 ft at 4:15PM Apr 15, 2021Observed: 17.88 ft at 4:30PM Apr 15, 2021Observed: 17.94 ft at 4:45PM Apr 15, 2021Observed: 17.94 ft at 5:00PM Apr 15, 2021Observed: 17.94 ft at 5:15PM Apr 15, 2021USGS--Water Resources of the United StatesBLRK1(plotting HGIRG) Graph Created (6:24PM Apr 15, 2021)ObservedLatest observed value: 17.94 ft at 5:15 PM CDT 15-Apr-2021. Flood Stage is 26 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 at Blue Rapids are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Marysville Upstream Gauge Downstream Gauge Downstream Gauge - at Tuttle Creek Lake
Flood Categories (in feet)
Major Flood Stage: 68
Moderate Flood Stage: 52
Flood Stage: 26
Action Stage: 21
Low Stage (in feet): -9999

Historic Crests
(1) 63.30 ft on 07/22/1993
(2) 61.32 ft on 05/31/2019
(3) 53.19 ft on 10/18/1973
(4) 50.20 ft on 08/05/1993
(5) 40.96 ft on 06/07/2015
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 34.96 ft on 07/30/2020
(2) 31.31 ft on 05/26/2020
(3) 61.32 ft on 05/31/2019
(4) 27.99 ft on 12/28/2018
(5) 36.39 ft on 12/02/2018
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: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
68 River reaches top of levee east of Blue Rapids.
26 Minor lowland flooding occurs from Marysville to Tuttle Creek Lake.
About This Location Collapse

Latitude: 39.687222° N, Longitude: 96.639722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 26 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 1075 ft 1101 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:
Additional Information Collapse
How low could the river get?
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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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