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Hydrograph River at a Glance Download
Mississippi River at Donaldsonville Stage (ft)Observed: 9.02 ft at 1:00AM Oct 21, 2014Observed: 9.02 ft at 2:00AM Oct 21, 2014Observed: 9.06 ft at 3:00AM Oct 21, 2014Observed: 9.08 ft at 4:00AM Oct 21, 2014Observed: 9.11 ft at 5:00AM Oct 21, 2014Observed: 9.13 ft at 6:00AM Oct 21, 2014Observed: 9.15 ft at 7:00AM Oct 21, 2014Observed: 9.16 ft at 8:00AM Oct 21, 2014Observed: 9.16 ft at 9:00AM Oct 21, 2014Observed: 9.19 ft at 10:00AM Oct 21, 2014Observed: 9.23 ft at 11:00AM Oct 21, 2014Observed: 9.2 ft at 12:00PM Oct 21, 2014Observed: 9.23 ft at 1:00PM Oct 21, 2014Observed: 9.24 ft at 2:00PM Oct 21, 2014Observed: 9.31 ft at 3:00PM Oct 21, 2014Observed: 9.31 ft at 4:00PM Oct 21, 2014Observed: 9.37 ft at 5:00PM Oct 21, 2014Observed: 9.38 ft at 6:00PM Oct 21, 2014Observed: 9.39 ft at 7:00PM Oct 21, 2014Observed: 9.4 ft at 8:00PM Oct 21, 2014Observed: 9.44 ft at 9:00PM Oct 21, 2014Observed: 9.49 ft at 10:00PM Oct 21, 2014Observed: 9.49 ft at 11:00PM Oct 21, 2014Observed: 9.5 ft at 12:00AM Oct 22, 2014Observed: 9.57 ft at 1:00AM Oct 22, 2014Observed: 9.54 ft at 2:00AM Oct 22, 2014Observed: 9.62 ft at 3:00AM Oct 22, 2014Observed: 9.64 ft at 4:00AM Oct 22, 2014Observed: 9.67 ft at 5:00AM Oct 22, 2014Observed: 9.7 ft at 6:00AM Oct 22, 2014Observed: 9.73 ft at 8:00AM Oct 22, 2014Observed: 9.73 ft at 9:00AM Oct 22, 2014Observed: 9.75 ft at 10:00AM Oct 22, 2014Observed: 9.73 ft at 11:00AM Oct 22, 2014Observed: 9.8 ft at 12:00PM Oct 22, 2014Observed: 9.84 ft at 1:00PM Oct 22, 2014Observed: 9.86 ft at 2:00PM Oct 22, 2014Observed: 9.89 ft at 3:00PM Oct 22, 2014Observed: 9.91 ft at 4:00PM Oct 22, 2014Observed: 9.92 ft at 5:00PM Oct 22, 2014Observed: 10.01 ft at 6:00PM Oct 22, 2014Observed: 10.03 ft at 7:00PM Oct 22, 2014Observed: 10.04 ft at 8:00PM Oct 22, 2014Observed: 10.09 ft at 9:00PM Oct 22, 2014Observed: 10.11 ft at 10:00PM Oct 22, 2014Observed: 10.09 ft at 11:00PM Oct 22, 2014Observed: 10.14 ft at 12:00AM Oct 23, 2014Observed: 10.16 ft at 1:00AM Oct 23, 2014Observed: 10.21 ft at 2:00AM Oct 23, 2014Observed: 10.23 ft at 3:00AM Oct 23, 2014Observed: 10.26 ft at 4:00AM Oct 23, 2014Observed: 10.31 ft at 5:00AM Oct 23, 2014Observed: 10.38 ft at 6:00AM Oct 23, 2014Observed: 10.37 ft at 7:00AM Oct 23, 2014Observed: 10.45 ft at 8:00AM Oct 23, 2014Observed: 10.47 ft at 9:00AM Oct 23, 2014Observed: 10.48 ft at 10:00AM Oct 23, 2014Observed: 10.47 ft at 11:00AM Oct 23, 2014Highest Observation: 10.49 ft at 12:00PM Oct 23, 2014Forecast: 11.9 ft 1:00AM Oct 26, 2014Highest Forecast: 12 ft 7:00AM Oct 26, 2014Forecast: 11.9 ft 1:00PM Oct 26, 2014Forecast: 11.9 ft 7:00PM Oct 26, 2014Highest Forecast: 12 ft 1:00AM Oct 27, 2014Highest Forecast: 12 ft 7:00AM Oct 27, 2014Forecast: 11.9 ft 1:00PM Oct 27, 2014Forecast: 11.6 ft 7:00PM Oct 27, 2014Forecast: 11.7 ft 1:00AM Oct 28, 2014Forecast: 11.8 ft 7:00AM Oct 28, 2014Forecast: 11.5 ft 1:00PM Oct 28, 2014Forecast: 11.3 ft 7:00PM Oct 28, 2014Forecast: 11.4 ft 1:00AM Oct 29, 2014Forecast: 11.4 ft 7:00AM Oct 29, 2014Forecast: 11.2 ft 1:00PM Oct 29, 2014Forecast: 11.1 ft 7:00PM Oct 29, 2014Forecast: 10.9 ft 1:00AM Oct 30, 2014Forecast: 10.7 ft 7:00AM Oct 30, 2014USACE - U. S. Army Corps of EngineersDONL1(plotting HGIRG) Graph Created (12:05AM Oct 26, 2014)ObservedForecast (issued 10:13AM Oct 25)Latest observed value: 10.49 ft at 12:00 PM CDT 23-Oct-2014. Flood Stage is 27 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Forecasts for the Mississippi River at Donaldsonville are issued routinely year-round.
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Upstream Gauge - at Baton Rouge Upstream Gauge Downstream Gauge Downstream Gauge - at Reserve
Flood Categories (in feet)
Major Flood Stage:34
Moderate Flood Stage:30
Flood Stage:27
Action Stage:25

Historical Crests
(1) 36.01 ft on 05/15/1927
(2) 34.75 ft on 05/16/1922
(3) 34.11 ft on 04/29/1945
(4) 33.91 ft on 05/10/1912
(5) 33.30 ft on 05/29/1983
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(P): Preliminary values subject to further review.

Low Water Records
(1) -0.39 ft on 01/12/1918
(2) 0.10 ft on 12/02/1910
(3) 0.10 ft on 12/26/1917
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Zoom Level:16
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Gauge LocationGauge Map Marker
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.
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38.2 The net grade protection of the levee will be reached, threatening the city of donaldsonville and surrounding countryside.
36.01 Record stage for donaldsonville was set on may 15, 1927.
33 River barge traffic becomes dangerous, particularly when navigating sharp turns on this stretch of the river.
27 Navigation becomes difficult for smaller river craft. Safety precautions for river traffic are urged.
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Latitude: 30.102778° N, Longitude: 90.959167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 27 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 0 ft 27 ft 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 Not Available Not Available  

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.
NWS Information
National Weather Service
New Orleans/Baton Rouge Weather Forecast Office
62300 Airport Rd.
Slidell, LA 70460-5243
(504) 522-7330
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Page last modified: 5-Aug-2014 6:38 PM
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