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Hydrograph River at a Glance Download
Iowa River at Marengo Stage (ft)Flow (kcfs)Highest Observation: 11.78 ft at 3:45AM Jul 26, 2014Observed: 11.75 ft at 4:00AM Jul 26, 2014Observed: 11.72 ft at 4:15AM Jul 26, 2014Observed: 11.68 ft at 4:30AM Jul 26, 2014Observed: 11.65 ft at 4:45AM Jul 26, 2014Observed: 11.62 ft at 5:00AM Jul 26, 2014Observed: 11.58 ft at 5:15AM Jul 26, 2014Observed: 11.55 ft at 5:30AM Jul 26, 2014Observed: 11.52 ft at 5:45AM Jul 26, 2014Observed: 11.48 ft at 6:00AM Jul 26, 2014Observed: 11.44 ft at 6:15AM Jul 26, 2014Observed: 11.41 ft at 6:30AM Jul 26, 2014Observed: 11.38 ft at 6:45AM Jul 26, 2014Observed: 11.34 ft at 7:00AM Jul 26, 2014Observed: 11.31 ft at 7:15AM Jul 26, 2014Observed: 11.29 ft at 7:30AM Jul 26, 2014Observed: 11.26 ft at 7:45AM Jul 26, 2014Observed: 11.23 ft at 8:00AM Jul 26, 2014Observed: 11.2 ft at 8:15AM Jul 26, 2014Observed: 11.17 ft at 8:30AM Jul 26, 2014Observed: 11.14 ft at 8:45AM Jul 26, 2014Observed: 11.12 ft at 9:00AM Jul 26, 2014Observed: 11.09 ft at 9:15AM Jul 26, 2014Observed: 11.08 ft at 9:30AM Jul 26, 2014Observed: 11.06 ft at 9:45AM Jul 26, 2014Observed: 11.03 ft at 10:00AM Jul 26, 2014Observed: 11.01 ft at 10:15AM Jul 26, 2014Observed: 11 ft at 10:30AM Jul 26, 2014Observed: 10.97 ft at 10:45AM Jul 26, 2014Observed: 10.95 ft at 11:00AM Jul 26, 2014Observed: 10.94 ft at 11:15AM Jul 26, 2014Observed: 10.92 ft at 11:30AM Jul 26, 2014Observed: 10.9 ft at 11:45AM Jul 26, 2014Observed: 10.88 ft at 12:00PM Jul 26, 2014Observed: 10.89 ft at 12:15PM Jul 26, 2014Observed: 10.87 ft at 12:30PM Jul 26, 2014Observed: 10.85 ft at 12:45PM Jul 26, 2014Observed: 10.85 ft at 1:00PM Jul 26, 2014Observed: 10.83 ft at 1:15PM Jul 26, 2014Observed: 10.81 ft at 1:30PM Jul 26, 2014Observed: 10.8 ft at 1:45PM Jul 26, 2014Observed: 10.8 ft at 2:00PM Jul 26, 2014Observed: 10.79 ft at 2:15PM Jul 26, 2014Observed: 10.78 ft at 2:30PM Jul 26, 2014Observed: 10.77 ft at 2:45PM Jul 26, 2014Observed: 10.76 ft at 3:00PM Jul 26, 2014Observed: 10.76 ft at 3:15PM Jul 26, 2014Observed: 10.76 ft at 3:30PM Jul 26, 2014Observed: 10.74 ft at 3:45PM Jul 26, 2014Observed: 10.74 ft at 4:00PM Jul 26, 2014Observed: 10.74 ft at 4:15PM Jul 26, 2014Observed: 10.74 ft at 4:30PM Jul 26, 2014Observed: 10.73 ft at 4:45PM Jul 26, 2014Observed: 10.73 ft at 5:00PM Jul 26, 2014Observed: 10.74 ft at 5:15PM Jul 26, 2014Observed: 10.72 ft at 5:30PM Jul 26, 2014Observed: 10.71 ft at 5:45PM Jul 26, 2014Observed: 10.71 ft at 6:00PM Jul 26, 2014Observed: 10.72 ft at 6:15PM Jul 26, 2014Observed: 10.72 ft at 6:30PM Jul 26, 2014Observed: 10.7 ft at 6:45PM Jul 26, 2014Observed: 10.71 ft at 7:00PM Jul 26, 2014Observed: 10.7 ft at 7:15PM Jul 26, 2014Observed: 10.7 ft at 7:30PM Jul 26, 2014Observed: 10.71 ft at 7:45PM Jul 26, 2014Observed: 10.7 ft at 8:00PM Jul 26, 2014Observed: 10.7 ft at 8:15PM Jul 26, 2014Observed: 10.7 ft at 8:30PM Jul 26, 2014Observed: 10.7 ft at 8:45PM Jul 26, 2014Observed: 10.7 ft at 9:00PM Jul 26, 2014Observed: 10.7 ft at 9:15PM Jul 26, 2014Observed: 10.7 ft at 9:30PM Jul 26, 2014Observed: 10.69 ft at 9:45PM Jul 26, 2014Observed: 10.69 ft at 10:00PM Jul 26, 2014Observed: 10.69 ft at 10:15PM Jul 26, 2014Observed: 10.69 ft at 10:30PM Jul 26, 2014Observed: 10.69 ft at 10:45PM Jul 26, 2014Observed: 10.68 ft at 11:00PM Jul 26, 2014Observed: 10.68 ft at 11:15PM Jul 26, 2014Observed: 10.67 ft at 11:30PM Jul 26, 2014Observed: 10.68 ft at 11:45PM Jul 26, 2014Observed: 10.67 ft at 12:00AM Jul 27, 2014Observed: 10.67 ft at 12:15AM Jul 27, 2014Observed: 10.67 ft at 12:30AM Jul 27, 2014Observed: 10.66 ft at 12:45AM Jul 27, 2014Observed: 10.66 ft at 1:00AM Jul 27, 2014Observed: 10.65 ft at 1:15AM Jul 27, 2014Observed: 10.65 ft at 1:30AM Jul 27, 2014Observed: 10.64 ft at 1:45AM Jul 27, 2014Observed: 10.64 ft at 2:00AM Jul 27, 2014Observed: 10.64 ft at 2:15AM Jul 27, 2014Observed: 10.63 ft at 2:30AM Jul 27, 2014Observed: 10.63 ft at 2:45AM Jul 27, 2014Observed: 10.62 ft at 3:00AM Jul 27, 2014Observed: 10.62 ft at 3:15AM Jul 27, 2014Observed: 10.61 ft at 3:30AM Jul 27, 2014Observed: 10.61 ft at 3:45AM Jul 27, 2014Observed: 10.6 ft at 4:00AM Jul 27, 2014Observed: 10.6 ft at 4:15AM Jul 27, 2014Observed: 10.59 ft at 4:30AM Jul 27, 2014Observed: 10.59 ft at 4:45AM Jul 27, 2014Observed: 10.58 ft at 5:00AM Jul 27, 2014Observed: 10.58 ft at 5:15AM Jul 27, 2014Observed: 10.56 ft at 5:30AM Jul 27, 2014Observed: 10.56 ft at 5:45AM Jul 27, 2014Observed: 10.56 ft at 6:00AM Jul 27, 2014Observed: 10.55 ft at 6:15AM Jul 27, 2014Observed: 10.54 ft at 6:30AM Jul 27, 2014Observed: 10.54 ft at 6:45AM Jul 27, 2014Observed: 10.52 ft at 7:00AM Jul 27, 2014Observed: 10.51 ft at 7:15AM Jul 27, 2014Observed: 10.5 ft at 7:30AM Jul 27, 2014Observed: 10.5 ft at 7:45AM Jul 27, 2014Observed: 10.49 ft at 8:00AM Jul 27, 2014Observed: 10.48 ft at 8:15AM Jul 27, 2014Observed: 10.48 ft at 8:30AM Jul 27, 2014Observed: 10.45 ft at 8:45AM Jul 27, 2014Observed: 10.46 ft at 9:00AM Jul 27, 2014Observed: 10.44 ft at 9:15AM Jul 27, 2014Observed: 10.44 ft at 9:30AM Jul 27, 2014Observed: 10.43 ft at 9:45AM Jul 27, 2014Observed: 10.42 ft at 10:00AM Jul 27, 2014Observed: 10.42 ft at 10:15AM Jul 27, 2014Observed: 10.39 ft at 10:30AM Jul 27, 2014Observed: 10.38 ft at 10:45AM Jul 27, 2014Observed: 10.36 ft at 11:00AM Jul 27, 2014Observed: 10.39 ft at 11:15AM Jul 27, 2014Observed: 10.37 ft at 11:30AM Jul 27, 2014Observed: 10.37 ft at 11:45AM Jul 27, 2014Observed: 10.34 ft at 12:00PM Jul 27, 2014Observed: 10.35 ft at 12:15PM Jul 27, 2014Observed: 10.36 ft at 12:30PM Jul 27, 2014Observed: 10.33 ft at 12:45PM Jul 27, 2014Observed: 10.32 ft at 1:00PM Jul 27, 2014Observed: 10.3 ft at 1:15PM Jul 27, 2014Observed: 10.32 ft at 1:30PM Jul 27, 2014Observed: 10.29 ft at 1:45PM Jul 27, 2014Observed: 10.3 ft at 2:00PM Jul 27, 2014Observed: 10.3 ft at 2:15PM Jul 27, 2014Observed: 10.29 ft at 2:30PM Jul 27, 2014Observed: 10.29 ft at 2:45PM Jul 27, 2014Observed: 10.28 ft at 3:00PM Jul 27, 2014Observed: 10.26 ft at 3:15PM Jul 27, 2014Observed: 10.26 ft at 3:30PM Jul 27, 2014Observed: 10.25 ft at 3:45PM Jul 27, 2014Observed: 10.25 ft at 4:00PM Jul 27, 2014Observed: 10.23 ft at 4:15PM Jul 27, 2014Observed: 10.25 ft at 4:30PM Jul 27, 2014Observed: 10.22 ft at 4:45PM Jul 27, 2014Observed: 10.23 ft at 5:00PM Jul 27, 2014Observed: 10.23 ft at 5:15PM Jul 27, 2014Observed: 10.22 ft at 5:30PM Jul 27, 2014Observed: 10.19 ft at 5:45PM Jul 27, 2014Observed: 10.21 ft at 6:00PM Jul 27, 2014Observed: 10.21 ft at 6:15PM Jul 27, 2014Observed: 10.19 ft at 6:30PM Jul 27, 2014Observed: 10.19 ft at 6:45PM Jul 27, 2014Observed: 10.21 ft at 7:00PM Jul 27, 2014Observed: 10.2 ft at 7:15PM Jul 27, 2014Observed: 10.19 ft at 7:30PM Jul 27, 2014Observed: 10.19 ft at 7:45PM Jul 27, 2014Observed: 10.19 ft at 8:00PM Jul 27, 2014Observed: 10.18 ft at 8:15PM Jul 27, 2014Observed: 10.18 ft at 8:30PM Jul 27, 2014Observed: 10.18 ft at 8:45PM Jul 27, 2014Observed: 10.16 ft at 9:00PM Jul 27, 2014Observed: 10.16 ft at 9:15PM Jul 27, 2014Observed: 10.16 ft at 9:30PM Jul 27, 2014Observed: 10.15 ft at 9:45PM Jul 27, 2014Observed: 10.15 ft at 10:00PM Jul 27, 2014Observed: 10.15 ft at 10:15PM Jul 27, 2014Observed: 10.14 ft at 10:30PM Jul 27, 2014Observed: 10.14 ft at 10:45PM Jul 27, 2014Observed: 10.14 ft at 11:00PM Jul 27, 2014Observed: 10.13 ft at 11:15PM Jul 27, 2014Observed: 10.13 ft at 11:30PM Jul 27, 2014Observed: 10.12 ft at 11:45PM Jul 27, 2014Observed: 10.11 ft at 12:00AM Jul 28, 2014Observed: 10.11 ft at 12:15AM Jul 28, 2014Observed: 10.11 ft at 12:30AM Jul 28, 2014Observed: 10.11 ft at 12:45AM Jul 28, 2014Observed: 10.1 ft at 1:00AM Jul 28, 2014Observed: 10.09 ft at 1:15AM Jul 28, 2014Observed: 10.09 ft at 1:30AM Jul 28, 2014Observed: 10.09 ft at 1:45AM Jul 28, 2014Observed: 10.08 ft at 2:00AM Jul 28, 2014Observed: 10.08 ft at 2:15AM Jul 28, 2014Observed: 10.07 ft at 2:30AM Jul 28, 2014Observed: 10.07 ft at 2:45AM Jul 28, 2014Observed: 10.07 ft at 3:00AM Jul 28, 2014Observed: 10.06 ft at 3:15AM Jul 28, 2014Observed: 10.06 ft at 3:30AM Jul 28, 2014Observed: 10.06 ft at 3:45AM Jul 28, 2014Observed: 10.05 ft at 4:00AM Jul 28, 2014Observed: 10.05 ft at 4:15AM Jul 28, 2014Observed: 10.05 ft at 4:30AM Jul 28, 2014Observed: 10.04 ft at 4:45AM Jul 28, 2014Observed: 10.04 ft at 5:00AM Jul 28, 2014Observed: 10.04 ft at 5:15AM Jul 28, 2014Observed: 10.04 ft at 5:30AM Jul 28, 2014Observed: 10.03 ft at 5:45AM Jul 28, 2014Observed: 10.03 ft at 6:00AM Jul 28, 2014Observed: 10.02 ft at 6:15AM Jul 28, 2014Observed: 10.02 ft at 6:30AM Jul 28, 2014Observed: 10.02 ft at 6:45AM Jul 28, 2014Observed: 10.01 ft at 7:00AM Jul 28, 2014Observed: 10.01 ft at 7:15AM Jul 28, 2014Observed: 10.01 ft at 7:30AM Jul 28, 2014Observed: 10 ft at 7:45AM Jul 28, 2014Observed: 10 ft at 8:00AM Jul 28, 2014Observed: 10 ft at 8:15AM Jul 28, 2014Observed: 9.99 ft at 8:30AM Jul 28, 2014Observed: 9.99 ft at 8:45AM Jul 28, 2014Observed: 9.99 ft at 9:00AM Jul 28, 2014Observed: 9.99 ft at 9:15AM Jul 28, 2014Observed: 9.99 ft at 9:30AM Jul 28, 2014Observed: 9.99 ft at 9:45AM Jul 28, 2014Observed: 9.98 ft at 10:00AM Jul 28, 2014Observed: 9.98 ft at 10:15AM Jul 28, 2014Observed: 9.99 ft at 10:30AM Jul 28, 2014Observed: 9.98 ft at 10:45AM Jul 28, 2014Observed: 9.98 ft at 11:00AM Jul 28, 2014Observed: 9.97 ft at 11:15AM Jul 28, 2014Observed: 9.96 ft at 11:30AM Jul 28, 2014Observed: 9.97 ft at 11:45AM Jul 28, 2014Observed: 9.96 ft at 12:00PM Jul 28, 2014Observed: 9.96 ft at 12:15PM Jul 28, 2014Observed: 9.96 ft at 12:30PM Jul 28, 2014Observed: 9.96 ft at 12:45PM Jul 28, 2014Observed: 9.96 ft at 1:00PM Jul 28, 2014Observed: 9.96 ft at 1:15PM Jul 28, 2014Observed: 9.95 ft at 1:30PM Jul 28, 2014Observed: 9.95 ft at 1:45PM Jul 28, 2014Observed: 9.95 ft at 2:00PM Jul 28, 2014Observed: 9.94 ft at 2:15PM Jul 28, 2014Observed: 9.95 ft at 2:30PM Jul 28, 2014Observed: 9.94 ft at 2:45PM Jul 28, 2014Observed: 9.94 ft at 3:00PM Jul 28, 2014Observed: 9.94 ft at 3:15PM Jul 28, 2014Observed: 9.94 ft at 3:30PM Jul 28, 2014Observed: 9.94 ft at 3:45PM Jul 28, 2014Observed: 9.93 ft at 4:00PM Jul 28, 2014Observed: 9.93 ft at 4:15PM Jul 28, 2014Observed: 9.93 ft at 4:30PM Jul 28, 2014Observed: 9.93 ft at 4:45PM Jul 28, 2014Observed: 9.93 ft at 5:00PM Jul 28, 2014Observed: 9.93 ft at 5:15PM Jul 28, 2014Observed: 9.93 ft at 5:30PM Jul 28, 2014Observed: 9.92 ft at 5:45PM Jul 28, 2014Observed: 9.93 ft at 6:00PM Jul 28, 2014Observed: 9.93 ft at 6:15PM Jul 28, 2014Observed: 9.93 ft at 6:30PM Jul 28, 2014Observed: 9.93 ft at 6:45PM Jul 28, 2014Observed: 9.93 ft at 7:00PM Jul 28, 2014Observed: 9.93 ft at 7:15PM Jul 28, 2014Observed: 9.94 ft at 7:30PM Jul 28, 2014Observed: 9.93 ft at 7:45PM Jul 28, 2014Observed: 9.94 ft at 8:00PM Jul 28, 2014Observed: 9.94 ft at 8:15PM Jul 28, 2014Observed: 9.94 ft at 8:30PM Jul 28, 2014Observed: 9.94 ft at 8:45PM Jul 28, 2014Observed: 9.94 ft at 9:00PM Jul 28, 2014Observed: 9.95 ft at 9:15PM Jul 28, 2014Observed: 9.95 ft at 9:30PM Jul 28, 2014Observed: 9.95 ft at 9:45PM Jul 28, 2014Observed: 9.95 ft at 10:00PM Jul 28, 2014Observed: 9.95 ft at 10:15PM Jul 28, 2014Observed: 9.95 ft at 10:30PM Jul 28, 2014Observed: 9.95 ft at 10:45PM Jul 28, 2014Observed: 9.96 ft at 11:00PM Jul 28, 2014Observed: 9.96 ft at 11:15PM Jul 28, 2014Observed: 9.96 ft at 11:30PM Jul 28, 2014Observed: 9.96 ft at 11:45PM Jul 28, 2014Observed: 9.96 ft at 12:00AM Jul 29, 2014Observed: 9.97 ft at 12:15AM Jul 29, 2014Observed: 9.97 ft at 12:30AM Jul 29, 2014Observed: 9.97 ft at 12:45AM Jul 29, 2014Observed: 9.97 ft at 1:00AM Jul 29, 2014Observed: 9.97 ft at 1:15AM Jul 29, 2014Observed: 9.97 ft at 1:30AM Jul 29, 2014Observed: 9.98 ft at 1:45AM Jul 29, 2014Observed: 9.98 ft at 2:00AM Jul 29, 2014Observed: 9.98 ft at 2:15AM Jul 29, 2014Observed: 9.98 ft at 2:30AM Jul 29, 2014Observed: 9.99 ft at 2:45AM Jul 29, 2014Observed: 9.99 ft at 3:00AM Jul 29, 2014Forecast: 9.9 ft 7:00AM Jul 29, 2014Forecast: 9.97 ft 1:00PM Jul 29, 2014Forecast: 10.05 ft 7:00PM Jul 29, 2014Forecast: 10.1 ft 1:00AM Jul 30, 2014Highest Forecast: 10.2 ft 7:00AM Jul 30, 2014Highest Forecast: 10.2 ft 1:00PM Jul 30, 2014Highest Forecast: 10.2 ft 7:00PM Jul 30, 2014Forecast: 10.1 ft 1:00AM Jul 31, 2014Forecast: 10.1 ft 7:00AM Jul 31, 2014Forecast: 10 ft 1:00PM Jul 31, 2014Forecast: 9.9 ft 7:00PM Jul 31, 2014Forecast: 9.8 ft 1:00AM Aug 01, 2014Forecast: 9.7 ft 7:00AM Aug 01, 2014Forecast: 9.6 ft 1:00PM Aug 01, 2014Forecast: 9.6 ft 7:00PM Aug 01, 2014Forecast: 9.5 ft 1:00AM Aug 02, 2014Forecast: 9.5 ft 7:00AM Aug 02, 2014U.S. Geological SurveyMROI4(plotting HGIR2) Graph Created (3:32AM Jul 29, 2014)ObservedForecast (issued 10:24AM Jul 28)Latest observed value: 9.99 ft at 3:00 AM CDT 29-Jul-2014. Flood Stage is 14 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 Iowa River at Marengo are issued as needed during times of high water, but are not routinely available.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Iowa City
Flood Categories (in feet)
Major Flood Stage:18.5
Moderate Flood Stage:15.5
Flood Stage:14
Action Stage:13

Historical Crests
(1) 21.38 ft on 06/12/2008
(2) 20.36 ft on 05/31/2013
(3) 20.31 ft on 07/19/1993
(4) 20.26 ft on 07/12/1993
(5) 19.79 ft on 07/12/1969
(6) 19.57 ft on 08/19/1993
(7) 19.40 ft on 03/19/1979
(8) 19.21 ft on 03/31/1960
(9) 18.92 ft on 06/30/1998
(10) 18.82 ft on 03/24/1975
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
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
22 Water reaches to near the top of the levee of the south bank at Marengo.
18 Water breaches the mill race dikes near Middle Amana affecting the Amana Refrigeration parking lot and southeast exterior of the plant.
16 Water affects agricultural land along the river. Water is several feet deep in places.
14 Water affects low-lying agricultural land along the river.
11 Water affects the lowest agricultural land along the river.
About This Location Collapse

Latitude: 41.812778° N, Longitude: 92.064722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 14 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 29 720.52 ft 734.52 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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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
Quad Cities Weather Forecast Office
9050 Harrison Street
Davenport, IA 52806-7326
(563) 386-3976
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Page last modified: 16-Jul-2014 2:07 AM
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