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Hydrograph River at a Glance Download
Mississippi River at Keokuk Tailwater (ft)Flow (kcfs)Observed: 5.15 ft at 2:00AM Oct 28, 2014Observed: 5.32 ft at 4:00AM Oct 28, 2014Observed: 5.31 ft at 6:00AM Oct 28, 2014Observed: 5.45 ft at 8:00AM Oct 28, 2014Observed: 5.39 ft at 10:00AM Oct 28, 2014Observed: 5.46 ft at 12:00PM Oct 28, 2014Highest Observation: 5.51 ft at 2:00PM Oct 28, 2014Observed: 5.46 ft at 4:00PM Oct 28, 2014Observed: 5.43 ft at 6:00PM Oct 28, 2014Observed: 5.44 ft at 8:00PM Oct 28, 2014Observed: 5.47 ft at 10:00PM Oct 28, 2014Observed: 5.35 ft at 12:00AM Oct 29, 2014Observed: 5.33 ft at 2:00AM Oct 29, 2014Observed: 5.31 ft at 4:00AM Oct 29, 2014Observed: 5.32 ft at 6:00AM Oct 29, 2014Observed: 5.17 ft at 8:00AM Oct 29, 2014Observed: 5.16 ft at 10:00AM Oct 29, 2014Observed: 5.1 ft at 12:00PM Oct 29, 2014Observed: 5.09 ft at 2:00PM Oct 29, 2014Observed: 5.01 ft at 4:00PM Oct 29, 2014Observed: 4.99 ft at 6:00PM Oct 29, 2014Observed: 4.96 ft at 8:00PM Oct 29, 2014Observed: 4.93 ft at 10:00PM Oct 29, 2014Observed: 4.88 ft at 12:00AM Oct 30, 2014Observed: 4.88 ft at 2:00AM Oct 30, 2014Observed: 4.86 ft at 4:00AM Oct 30, 2014Observed: 4.85 ft at 6:00AM Oct 30, 2014Observed: 4.86 ft at 8:00AM Oct 30, 2014Observed: 4.7 ft at 10:00AM Oct 30, 2014Observed: 4.81 ft at 12:00PM Oct 30, 2014Observed: 4.85 ft at 2:00PM Oct 30, 2014Observed: 4.84 ft at 4:00PM Oct 30, 2014Observed: 4.82 ft at 6:00PM Oct 30, 2014Observed: 4.81 ft at 8:00PM Oct 30, 2014Observed: 4.8 ft at 10:00PM Oct 30, 2014Observed: 4.78 ft at 12:00AM Oct 31, 2014Highest Forecast: 4.9 ft 7:00AM Oct 31, 2014Highest Forecast: 4.9 ft 1:00PM Oct 31, 2014Highest Forecast: 4.9 ft 7:00PM Oct 31, 2014Highest Forecast: 4.9 ft 1:00AM Nov 01, 2014Highest Forecast: 4.9 ft 7:00AM Nov 01, 2014Highest Forecast: 4.9 ft 1:00PM Nov 01, 2014Highest Forecast: 4.9 ft 7:00PM Nov 01, 2014Highest Forecast: 4.9 ft 1:00AM Nov 02, 2014Forecast: 4.8 ft 6:00AM Nov 02, 2014Forecast: 4.8 ft 12:00PM Nov 02, 2014Forecast: 4.8 ft 6:00PM Nov 02, 2014Forecast: 4.8 ft 12:00AM Nov 03, 2014Forecast: 4.8 ft 6:00AM Nov 03, 2014Forecast: 4.8 ft 12:00PM Nov 03, 2014Forecast: 4.7 ft 6:00PM Nov 03, 2014Forecast: 4.7 ft 12:00AM Nov 04, 2014Forecast: 4.7 ft 6:00AM Nov 04, 2014Forecast: 4.6 ft 12:00PM Nov 04, 2014Forecast: 4.6 ft 6:00PM Nov 04, 2014Forecast: 4.5 ft 12:00AM Nov 05, 2014Forecast: 4.5 ft 6:00AM Nov 05, 2014Forecast: 4.5 ft 12:00PM Nov 05, 2014Forecast: 4.4 ft 6:00PM Nov 05, 2014Forecast: 4.4 ft 12:00AM Nov 06, 2014Forecast: 4.4 ft 6:00AM Nov 06, 2014U.S. Army Corps of EngineersEOKI4(plotting HTIRZ) Graph Created (1:16AM Oct 31, 2014)ObservedForecast (issued 12:10AM Oct 31)Latest observed value: 4.78 ft at 12:00 AM CDT 31-Oct-2014. Flood Stage is 16 ft
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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 Mississippi River at Keokuk are issued routinely year-round.

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Upstream Gauge - at Burlington Upstream Gauge Downstream Gauge Downstream Gauge - at Gregory Landing
Flood Categories (in feet)
Major Flood Stage:19
Moderate Flood Stage:17.5
Flood Stage:16
Action Stage:14

Historical Crests
(1) 27.58 ft on 07/10/1993
(2) 26.95 ft on 06/17/2008
(3) 23.50 ft on 04/23/1973
(4) 23.44 ft on 07/07/2014 (P)
(5) 22.94 ft on 05/14/2001
(6) 22.17 ft on 04/20/2013 (P)
(7) 22.14 ft on 05/01/1965
(8) 21.83 ft on 04/04/1960
(9) 21.00 ft on 06/06/1851
(10) 20.85 ft on 05/27/1944
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(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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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
30 Water reaches the top of the Keokuk city levee that protects industrial area along Mississippi Drive south of Victory Park.
27 Water affects residences in Nauvoo and reaches the top of the levee protecting the historical Nauvoo House.
25.5 Water affects the railroad tracks in downtown Keokuk.
24 Water affects low lying buildings in Hamilton and affects U.S. Highway 136 near the Mississippi River bridge. Water also affects Keokuks sewage treatment plant.
23 Water affects Illinois Highway 96 between Nauvoo and Hamilton.
22 Water affects the Warsaw water treatment plant.
21.2 Lock and Dam 19 is closed.
21 Water affects Keokuks Victory Drive.
20 Water affects the industrial area in Keokuk south of the city levee and affects the parking lot at Victory Park as well as much of the park. In Alexandria...water affects U.S. Highway 61 in several places.
19.5 Water reaches critical stage for Des Moines and Mississippi Levee District Number 1.
19 Water affects low lying buildings in Warsaw and affects County Road 12.
18.4 U.S. Highway 61 closes at the bridge over the Des Moines River north of Alexandria.
16 Water affects low lying buildings in rural areas. Water affects the railroad tracks in Alexandria.
About This Location Collapse

Latitude: 40.397500° N, Longitude: 91.374167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 16 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 477.83 ft 493.83 ft  

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.
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Page last modified: 5-Aug-2014 6:38 PM
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