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Hydrograph River at a Glance Download
Ouachita River at Columbia Lock and Dam Pool (ft)Flow (kcfs)Highest Observation: 53.7 ft at 7:00AM Apr 22, 2014Observed: 53.5 ft at 7:00AM Apr 23, 2014US Army Corps of EngineersCOLL1(plotting HPIRZ) Graph Created (11:48PM Apr 24, 2014)ObservedLatest observed value: 53.5 ft at 7:00 AM CDT 23-Apr-2014. Flood Stage is 65 ft
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Datum: NGVD29
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Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Ouachita River at Columbia Lock and Dam are issued routinely year-round.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in feet)
Major Flood Stage:70
Moderate Flood Stage:67
Flood Stage:65
Action Stage:62

Historical Crests
(1) 72.37 ft on 05/05/1991
(2) 70.65 ft on 05/13/1973
(3) 69.30 ft on 11/12/2009
(4) 69.10 ft on 01/09/1983
(5) 68.30 ft on 03/19/2001
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Low Water Records
(1) 35.80 ft on 04/16/1972
Zoom Level: 16
Gauge Location
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.
 
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If you notice any errors in the below information, please contact our Webmaster
75 EXTREME FLOODING OCCURS...WITH THE WEST SIDE LEVEES NEAR THE COLUMBIA LOCK AND DAM IN DANGER OF BEING OVER-TOPPED. SEVERAL THOUSANDS OF ACRES OF LAND FLOOD BETWEEN THE LEVEES.
70 LOWLAND FLOODING WILL CONTINUE TO SLOWLY RECEDE...BUT THE RIVER WILL REMAIN ABOVE FLOOD STAGE FOR SEVERAL MORE DAYS.
67 THE COLUMBIA LOCK AND DAM RECREATIONAL AREA FLOODS AND MUST BE CLOSED. IN ADDITION...EXPECT MODERATE TO SEVERE FLOODING OF LOWLAND RIVER BOTTOMS.
65 THE RIVERTON RECREATIONAL AREA FLOODS AND MUST BE CLOSED. IN ADDITION...EXPECT MINOR FLOODING OF LOWLAND RIVER BOTTOMS.
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Latitude: 32.166667° N, Longitude: 92.112500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 65 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 0.00 65 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:

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Page last modified: 8-Apr-2014 7:37 AM
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