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Hydrograph River at a Glance Download
Ouachita River at Columbia Lock and Dam Pool (ft)Flow (kcfs)Highest Observation: 57.2 ft at 6:00AM May 25, 2016Observed: 56.7 ft at 6:00AM May 26, 2016Observed: 56.2 ft at 6:00AM May 27, 2016Highest Forecast: 55.8 ft 1:00AM May 28, 2016Forecast: 55.7 ft 7:00AM May 28, 2016Forecast: 55.5 ft 1:00PM May 28, 2016Forecast: 55.4 ft 7:00PM May 28, 2016Forecast: 55.3 ft 1:00AM May 29, 2016Forecast: 55.2 ft 7:00AM May 29, 2016Forecast: 55 ft 1:00PM May 29, 2016Forecast: 54.9 ft 7:00PM May 29, 2016Forecast: 54.8 ft 1:00AM May 30, 2016Forecast: 54.7 ft 7:00AM May 30, 2016Forecast: 54.5 ft 1:00PM May 30, 2016Forecast: 54.5 ft 7:00PM May 30, 2016Forecast: 54.3 ft 1:00AM May 31, 2016Forecast: 54.2 ft 7:00AM May 31, 2016Forecast: 54 ft 1:00PM May 31, 2016Forecast: 53.9 ft 7:00PM May 31, 2016Forecast: 53.8 ft 1:00AM Jun 01, 2016Forecast: 53.7 ft 7:00AM Jun 01, 2016US Army Corps of EngineersCOLL1(plotting HPIRZ) Graph Created (7:04PM May 27, 2016)ObservedForecast (issued 10:53AM May 27)Latest observed value: 56.2 ft at 6:00 AM CDT 27-May-2016. Flood Stage is 65 ft
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Datum: NGVD29
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
Low Stage (in feet): 0

Historic 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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(P): Preliminary values subject to further review.

Recent Crests
(1) 69.30 ft on 11/12/2009
(2) 65.30 ft on 05/30/2009
(3) 68.30 ft on 03/19/2001
(4) 60.30 ft on 03/16/1994
(5) 55.20 ft on 04/21/1993
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 35.80 ft on 04/16/1972

For more information on your flood risk go to

Zoom Level:16
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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)
(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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NWS Information
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5655 Hollywood Avenue
Shreveport, LA 71109
(318) 631-3669
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