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Hydrograph River at a Glance Download
Blackwater River near Valley City Stage (ft)Flow (kcfs)Observed: 3.89 ft at 5:00AM Aug 15, 2019Observed: 3.88 ft at 5:15AM Aug 15, 2019Observed: 3.88 ft at 5:30AM Aug 15, 2019Observed: 3.87 ft at 5:45AM Aug 15, 2019Observed: 3.86 ft at 6:00AM Aug 15, 2019Observed: 3.85 ft at 6:15AM Aug 15, 2019Observed: 3.85 ft at 6:30AM Aug 15, 2019Observed: 3.84 ft at 6:45AM Aug 15, 2019Observed: 3.83 ft at 7:00AM Aug 15, 2019Observed: 3.83 ft at 7:15AM Aug 15, 2019Observed: 3.82 ft at 7:30AM Aug 15, 2019Observed: 3.81 ft at 7:45AM Aug 15, 2019Observed: 3.81 ft at 8:00AM Aug 15, 2019Observed: 3.8 ft at 8:15AM Aug 15, 2019Observed: 3.79 ft at 8:30AM Aug 15, 2019Observed: 3.79 ft at 8:45AM Aug 15, 2019Observed: 3.78 ft at 9:00AM Aug 15, 2019Observed: 3.78 ft at 9:15AM Aug 15, 2019Observed: 3.77 ft at 9:30AM Aug 15, 2019Observed: 3.76 ft at 9:45AM Aug 15, 2019Observed: 3.76 ft at 10:00AM Aug 15, 2019Observed: 3.75 ft at 10:15AM Aug 15, 2019Observed: 3.75 ft at 10:30AM Aug 15, 2019Observed: 3.74 ft at 10:45AM Aug 15, 2019Observed: 3.73 ft at 11:00AM Aug 15, 2019Observed: 3.73 ft at 11:15AM Aug 15, 2019Observed: 3.73 ft at 11:30AM Aug 15, 2019Observed: 3.72 ft at 11:45AM Aug 15, 2019Observed: 3.71 ft at 12:00PM Aug 15, 2019Observed: 3.71 ft at 12:15PM Aug 15, 2019Observed: 3.71 ft at 12:30PM Aug 15, 2019Observed: 3.7 ft at 12:45PM Aug 15, 2019Observed: 3.7 ft at 1:00PM Aug 15, 2019Observed: 3.69 ft at 1:15PM Aug 15, 2019Observed: 3.69 ft at 1:30PM Aug 15, 2019Observed: 3.68 ft at 1:45PM Aug 15, 2019Observed: 3.68 ft at 2:00PM Aug 15, 2019Observed: 3.68 ft at 2:15PM Aug 15, 2019Observed: 3.67 ft at 2:30PM Aug 15, 2019Observed: 3.67 ft at 2:45PM Aug 15, 2019Observed: 3.67 ft at 3:00PM Aug 15, 2019Observed: 3.66 ft at 3:15PM Aug 15, 2019Observed: 3.66 ft at 3:30PM Aug 15, 2019Observed: 3.65 ft at 3:45PM Aug 15, 2019Observed: 3.65 ft at 4:00PM Aug 15, 2019Observed: 3.65 ft at 4:15PM Aug 15, 2019Observed: 3.64 ft at 4:30PM Aug 15, 2019Observed: 3.64 ft at 4:45PM Aug 15, 2019Observed: 3.64 ft at 5:00PM Aug 15, 2019Observed: 3.63 ft at 5:15PM Aug 15, 2019Observed: 3.63 ft at 5:30PM Aug 15, 2019Observed: 3.63 ft at 5:45PM Aug 15, 2019Observed: 3.62 ft at 6:00PM Aug 15, 2019Observed: 3.62 ft at 6:15PM Aug 15, 2019Observed: 3.62 ft at 6:30PM Aug 15, 2019Observed: 3.61 ft at 6:45PM Aug 15, 2019Observed: 3.61 ft at 7:00PM Aug 15, 2019Observed: 3.61 ft at 7:15PM Aug 15, 2019Observed: 3.6 ft at 7:30PM Aug 15, 2019Observed: 3.6 ft at 7:45PM Aug 15, 2019Observed: 3.6 ft at 8:00PM Aug 15, 2019Observed: 3.59 ft at 8:15PM Aug 15, 2019Observed: 3.59 ft at 8:30PM Aug 15, 2019Observed: 3.59 ft at 8:45PM Aug 15, 2019Observed: 3.59 ft at 9:00PM Aug 15, 2019Observed: 3.58 ft at 9:15PM Aug 15, 2019Observed: 3.58 ft at 9:30PM Aug 15, 2019Observed: 3.58 ft at 9:45PM Aug 15, 2019Observed: 3.58 ft at 10:00PM Aug 15, 2019Observed: 3.58 ft at 10:15PM Aug 15, 2019Observed: 3.58 ft at 10:30PM Aug 15, 2019Observed: 3.58 ft at 10:45PM Aug 15, 2019Observed: 3.57 ft at 11:00PM Aug 15, 2019Observed: 3.57 ft at 11:15PM Aug 15, 2019Observed: 3.83 ft at 11:30PM Aug 15, 2019Observed: 3.88 ft at 11:45PM Aug 15, 2019Observed: 3.89 ft at 12:00AM Aug 16, 2019Observed: 3.89 ft at 12:15AM Aug 16, 2019Observed: 3.89 ft at 12:30AM Aug 16, 2019Observed: 3.89 ft at 12:45AM Aug 16, 2019Observed: 3.89 ft at 1:00AM Aug 16, 2019Observed: 3.89 ft at 1:15AM Aug 16, 2019Observed: 3.89 ft at 1:30AM Aug 16, 2019Observed: 3.9 ft at 1:45AM Aug 16, 2019Observed: 3.9 ft at 2:00AM Aug 16, 2019Observed: 3.9 ft at 2:15AM Aug 16, 2019Observed: 3.91 ft at 2:30AM Aug 16, 2019Observed: 3.92 ft at 2:45AM Aug 16, 2019Observed: 3.94 ft at 3:00AM Aug 16, 2019Observed: 3.96 ft at 3:15AM Aug 16, 2019Observed: 3.98 ft at 3:30AM Aug 16, 2019Observed: 4 ft at 3:45AM Aug 16, 2019Observed: 4 ft at 4:00AM Aug 16, 2019Observed: 3.99 ft at 4:15AM Aug 16, 2019Observed: 3.99 ft at 4:30AM Aug 16, 2019Observed: 3.98 ft at 4:45AM Aug 16, 2019Observed: 3.97 ft at 5:00AM Aug 16, 2019Observed: 3.95 ft at 5:15AM Aug 16, 2019Observed: 3.94 ft at 5:30AM Aug 16, 2019Observed: 3.92 ft at 5:45AM Aug 16, 2019Observed: 3.91 ft at 6:00AM Aug 16, 2019Observed: 3.89 ft at 6:15AM Aug 16, 2019Observed: 3.88 ft at 6:30AM Aug 16, 2019Observed: 3.87 ft at 6:45AM Aug 16, 2019Observed: 3.92 ft at 7:00AM Aug 16, 2019Observed: 3.97 ft at 7:15AM Aug 16, 2019Observed: 4.04 ft at 7:30AM Aug 16, 2019Observed: 4.08 ft at 7:45AM Aug 16, 2019Observed: 4.16 ft at 8:00AM Aug 16, 2019Observed: 4.27 ft at 8:15AM Aug 16, 2019Observed: 4.42 ft at 8:30AM Aug 16, 2019Observed: 4.57 ft at 8:45AM Aug 16, 2019Observed: 4.77 ft at 9:00AM Aug 16, 2019Observed: 5.01 ft at 9:15AM Aug 16, 2019Observed: 5.2 ft at 9:30AM Aug 16, 2019Observed: 5.36 ft at 9:45AM Aug 16, 2019Observed: 5.49 ft at 10:00AM Aug 16, 2019Observed: 5.6 ft at 10:15AM Aug 16, 2019Observed: 5.69 ft at 10:30AM Aug 16, 2019Observed: 5.76 ft at 10:45AM Aug 16, 2019Observed: 5.82 ft at 11:00AM Aug 16, 2019Observed: 5.86 ft at 11:15AM Aug 16, 2019Observed: 5.91 ft at 11:30AM Aug 16, 2019Observed: 5.95 ft at 11:45AM Aug 16, 2019Observed: 5.98 ft at 12:00PM Aug 16, 2019Observed: 6.01 ft at 12:15PM Aug 16, 2019Observed: 6.03 ft at 12:30PM Aug 16, 2019Observed: 6.05 ft at 12:45PM Aug 16, 2019Observed: 6.07 ft at 1:00PM Aug 16, 2019Observed: 6.07 ft at 1:15PM Aug 16, 2019Observed: 6.07 ft at 1:30PM Aug 16, 2019Observed: 6.05 ft at 1:45PM Aug 16, 2019Observed: 6.03 ft at 2:00PM Aug 16, 2019Observed: 5.99 ft at 2:15PM Aug 16, 2019Observed: 5.94 ft at 2:30PM Aug 16, 2019Observed: 5.89 ft at 2:45PM Aug 16, 2019Observed: 5.82 ft at 3:00PM Aug 16, 2019Observed: 5.75 ft at 3:15PM Aug 16, 2019Observed: 5.68 ft at 3:30PM Aug 16, 2019Observed: 5.6 ft at 3:45PM Aug 16, 2019Observed: 5.52 ft at 4:00PM Aug 16, 2019Observed: 5.44 ft at 4:15PM Aug 16, 2019Observed: 5.36 ft at 4:30PM Aug 16, 2019Observed: 5.29 ft at 4:45PM Aug 16, 2019Observed: 5.21 ft at 5:00PM Aug 16, 2019Observed: 5.13 ft at 5:15PM Aug 16, 2019Observed: 5.06 ft at 5:30PM Aug 16, 2019Observed: 4.99 ft at 5:45PM Aug 16, 2019Observed: 4.92 ft at 6:00PM Aug 16, 2019Observed: 4.86 ft at 6:15PM Aug 16, 2019Observed: 4.8 ft at 6:30PM Aug 16, 2019Observed: 4.74 ft at 6:45PM Aug 16, 2019Observed: 4.69 ft at 7:00PM Aug 16, 2019Observed: 4.64 ft at 7:15PM Aug 16, 2019Observed: 4.59 ft at 7:30PM Aug 16, 2019Observed: 4.55 ft at 7:45PM Aug 16, 2019Observed: 4.51 ft at 8:00PM Aug 16, 2019Observed: 4.48 ft at 8:15PM Aug 16, 2019Observed: 4.44 ft at 8:30PM Aug 16, 2019Observed: 4.42 ft at 8:45PM Aug 16, 2019Observed: 4.39 ft at 9:00PM Aug 16, 2019Observed: 4.36 ft at 9:15PM Aug 16, 2019Observed: 4.34 ft at 9:30PM Aug 16, 2019Observed: 4.32 ft at 9:45PM Aug 16, 2019Observed: 4.3 ft at 10:00PM Aug 16, 2019Observed: 4.28 ft at 10:15PM Aug 16, 2019Observed: 4.27 ft at 10:30PM Aug 16, 2019Observed: 4.25 ft at 10:45PM Aug 16, 2019Observed: 4.24 ft at 11:00PM Aug 16, 2019Observed: 4.22 ft at 11:15PM Aug 16, 2019Observed: 4.21 ft at 11:30PM Aug 16, 2019Observed: 4.2 ft at 11:45PM Aug 16, 2019Observed: 4.18 ft at 12:00AM Aug 17, 2019Observed: 4.17 ft at 12:15AM Aug 17, 2019Observed: 4.16 ft at 12:30AM Aug 17, 2019Observed: 4.15 ft at 12:45AM Aug 17, 2019Observed: 4.14 ft at 1:00AM Aug 17, 2019Observed: 4.13 ft at 1:15AM Aug 17, 2019Observed: 4.12 ft at 1:30AM Aug 17, 2019Observed: 4.1 ft at 1:45AM Aug 17, 2019Observed: 4.1 ft at 2:00AM Aug 17, 2019Observed: 4.08 ft at 2:15AM Aug 17, 2019Observed: 4.07 ft at 2:30AM Aug 17, 2019Observed: 4.07 ft at 2:45AM Aug 17, 2019Observed: 4.06 ft at 3:00AM Aug 17, 2019Observed: 4.06 ft at 3:15AM Aug 17, 2019Observed: 4.05 ft at 3:30AM Aug 17, 2019Observed: 4.04 ft at 3:45AM Aug 17, 2019Observed: 4.04 ft at 4:00AM Aug 17, 2019Observed: 4.03 ft at 4:15AM Aug 17, 2019Observed: 4.02 ft at 4:30AM Aug 17, 2019Observed: 4.03 ft at 4:45AM Aug 17, 2019Observed: 4.02 ft at 5:00AM Aug 17, 2019Observed: 4.02 ft at 5:15AM Aug 17, 2019Observed: 4.04 ft at 5:30AM Aug 17, 2019Observed: 4.04 ft at 5:45AM Aug 17, 2019Observed: 4.05 ft at 6:00AM Aug 17, 2019Observed: 4.05 ft at 6:15AM Aug 17, 2019Observed: 4.06 ft at 6:30AM Aug 17, 2019Observed: 4.08 ft at 6:45AM Aug 17, 2019Observed: 4.09 ft at 7:00AM Aug 17, 2019Observed: 4.11 ft at 7:15AM Aug 17, 2019Observed: 4.14 ft at 7:30AM Aug 17, 2019Observed: 4.18 ft at 7:45AM Aug 17, 2019Observed: 4.23 ft at 8:00AM Aug 17, 2019Observed: 4.29 ft at 8:15AM Aug 17, 2019Observed: 4.36 ft at 8:30AM Aug 17, 2019Observed: 4.43 ft at 8:45AM Aug 17, 2019Observed: 4.51 ft at 9:00AM Aug 17, 2019Observed: 4.59 ft at 9:15AM Aug 17, 2019Observed: 4.68 ft at 9:30AM Aug 17, 2019Observed: 4.74 ft at 9:45AM Aug 17, 2019Observed: 4.81 ft at 10:00AM Aug 17, 2019Observed: 4.87 ft at 10:15AM Aug 17, 2019Observed: 4.92 ft at 10:30AM Aug 17, 2019Observed: 4.96 ft at 10:45AM Aug 17, 2019Observed: 5.01 ft at 11:00AM Aug 17, 2019Observed: 5.05 ft at 11:15AM Aug 17, 2019Observed: 5.1 ft at 11:30AM Aug 17, 2019Observed: 5.23 ft at 11:45AM Aug 17, 2019Observed: 5.57 ft at 12:00PM Aug 17, 2019Observed: 6.23 ft at 12:15PM Aug 17, 2019Observed: 7.08 ft at 12:30PM Aug 17, 2019Observed: 8.05 ft at 12:45PM Aug 17, 2019Observed: 8.93 ft at 1:00PM Aug 17, 2019Observed: 9.77 ft at 1:15PM Aug 17, 2019Observed: 10.54 ft at 1:30PM Aug 17, 2019Observed: 11.26 ft at 1:45PM Aug 17, 2019Observed: 11.93 ft at 2:00PM Aug 17, 2019Observed: 12.49 ft at 2:15PM Aug 17, 2019Observed: 13 ft at 2:30PM Aug 17, 2019Observed: 13.39 ft at 2:45PM Aug 17, 2019Observed: 13.8 ft at 3:00PM Aug 17, 2019Observed: 14.22 ft at 3:15PM Aug 17, 2019Observed: 14.59 ft at 3:30PM Aug 17, 2019Observed: 14.93 ft at 3:45PM Aug 17, 2019Observed: 15.26 ft at 4:00PM Aug 17, 2019Observed: 15.56 ft at 4:15PM Aug 17, 2019Observed: 15.82 ft at 4:30PM Aug 17, 2019Observed: 16.09 ft at 4:45PM Aug 17, 2019Observed: 16.34 ft at 5:00PM Aug 17, 2019Observed: 16.53 ft at 5:15PM Aug 17, 2019Observed: 16.7 ft at 5:30PM Aug 17, 2019Observed: 16.88 ft at 5:45PM Aug 17, 2019Observed: 17.04 ft at 6:00PM Aug 17, 2019Observed: 17.19 ft at 6:15PM Aug 17, 2019Observed: 17.35 ft at 6:30PM Aug 17, 2019Observed: 17.5 ft at 6:45PM Aug 17, 2019Observed: 17.66 ft at 7:00PM Aug 17, 2019Observed: 17.74 ft at 7:15PM Aug 17, 2019Observed: 17.86 ft at 7:30PM Aug 17, 2019Observed: 17.97 ft at 7:45PM Aug 17, 2019Observed: 18.04 ft at 8:00PM Aug 17, 2019Observed: 18.22 ft at 8:15PM Aug 17, 2019Observed: 18.23 ft at 8:30PM Aug 17, 2019Observed: 18.28 ft at 8:45PM Aug 17, 2019Observed: 18.29 ft at 9:00PM Aug 17, 2019Highest Observation: 18.35 ft at 9:15PM Aug 17, 2019Highest Observation: 18.35 ft at 9:30PM Aug 17, 2019Observed: 18.33 ft at 9:45PM Aug 17, 2019Observed: 18.31 ft at 10:00PM Aug 17, 2019Observed: 18.29 ft at 10:15PM Aug 17, 2019Observed: 18.27 ft at 10:30PM Aug 17, 2019Observed: 18.21 ft at 10:45PM Aug 17, 2019Observed: 18.16 ft at 11:00PM Aug 17, 2019Observed: 18.07 ft at 11:15PM Aug 17, 2019Observed: 17.99 ft at 11:30PM Aug 17, 2019Observed: 17.9 ft at 11:45PM Aug 17, 2019Observed: 17.81 ft at 12:00AM Aug 18, 2019Observed: 17.69 ft at 12:15AM Aug 18, 2019Observed: 17.6 ft at 12:30AM Aug 18, 2019Observed: 17.47 ft at 12:45AM Aug 18, 2019Observed: 17.34 ft at 1:00AM Aug 18, 2019Observed: 17.21 ft at 1:15AM Aug 18, 2019Observed: 17.07 ft at 1:30AM Aug 18, 2019Observed: 16.92 ft at 1:45AM Aug 18, 2019Observed: 16.77 ft at 2:00AM Aug 18, 2019Observed: 16.63 ft at 2:15AM Aug 18, 2019Observed: 16.47 ft at 2:30AM Aug 18, 2019Observed: 16.31 ft at 2:45AM Aug 18, 2019Observed: 16.15 ft at 3:00AM Aug 18, 2019Observed: 15.98 ft at 3:15AM Aug 18, 2019Observed: 15.82 ft at 3:30AM Aug 18, 2019Observed: 15.65 ft at 3:45AM Aug 18, 2019Observed: 15.49 ft at 4:00AM Aug 18, 2019Forecast: 17.4 ft 7:00AM Aug 18, 2019Forecast: 18.5 ft 1:00PM Aug 18, 2019Forecast: 20.1 ft 7:00PM Aug 18, 2019Highest Forecast: 20.5 ft 1:00AM Aug 19, 2019Forecast: 19.6 ft 7:00AM Aug 19, 2019Forecast: 18.3 ft 1:00PM Aug 19, 2019Forecast: 16.8 ft 7:00PM Aug 19, 2019Forecast: 15.1 ft 1:00AM Aug 20, 2019Forecast: 13.6 ft 7:00AM Aug 20, 2019Forecast: 12.3 ft 1:00PM Aug 20, 2019Forecast: 11.1 ft 7:00PM Aug 20, 2019Forecast: 9.9 ft 1:00AM Aug 21, 2019Forecast: 9 ft 7:00AM Aug 21, 2019Forecast: 8.2 ft 1:00PM Aug 21, 2019Forecast: 7.6 ft 7:00PM Aug 21, 2019Forecast: 7 ft 1:00AM Aug 22, 2019Forecast: 6.5 ft 7:00AM Aug 22, 2019Forecast: 6.1 ft 1:00PM Aug 22, 2019Forecast: 5.8 ft 7:00PM Aug 22, 2019USGS--Water Resources of the United StatesVLYM7(plotting HGIRG) Graph Created (4:47AM Aug 18, 2019)ObservedForecast (issued 8:26PM Aug 17)Latest observed value: 15.49 ft at 4:00 AM CDT 18-Aug-2019. Flood Stage is 22 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 Blackwater River near Valley City are issued as needed during times of high water, but are not routinely available.

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Downstream Gauge Downstream Gauge - near Blue Lick
Flood Categories (in feet)
Major Flood Stage: 31
Moderate Flood Stage: 25
Flood Stage: 22
Action Stage: 17
Low Stage (in feet): -9999

Historic Crests
(1) 33.83 ft on 08/07/2017
(2) 33.62 ft on 04/03/2014
(3) 32.91 ft on 04/30/2017
(4) 32.39 ft on 06/01/2013
(5) 32.15 ft on 05/22/2019
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 25.52 ft on 05/25/2019
(2) 32.15 ft on 05/22/2019
(3) 31.18 ft on 05/01/2019
(4) 24.01 ft on 03/13/2019
(5) 25.15 ft on 03/09/2019
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
31 Extensive flooding of rural property and many roads occurs.
25 County Highway E near Valley City and Highway 23 near the Perry State Wildlife Area are under water.
22 Woodlands and farm fields along the river begin to flood.
About This Location Collapse

Latitude: 38.870000° N, Longitude: 93.622500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 22 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 29 650.23 ft 672.23 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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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
Kansas City/Pleasant Hill Weather Forecast Office
1803 N. 7 Hwy
Pleasant Hill, MO 64080
(816) 540-6021
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