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Hydrograph River at a Glance Download
Ouachita River at Columbia Lock and Dam Pool (ft)Flow (kcfs)Highest Observation: 54.9 ft at 7:00AM May 18, 2024Observed: 54.5 ft at 7:00AM May 20, 2024Highest Forecast: 54.4 ft 1:00PM May 20, 2024Forecast: 54.3 ft 7:00PM May 20, 2024Forecast: 54.2 ft 1:00AM May 21, 2024Forecast: 54.1 ft 7:00AM May 21, 2024Forecast: 54 ft 1:00PM May 21, 2024Forecast: 54 ft 7:00PM May 21, 2024Forecast: 53.9 ft 1:00AM May 22, 2024Forecast: 53.8 ft 7:00AM May 22, 2024Forecast: 53.7 ft 1:00PM May 22, 2024Forecast: 53.7 ft 7:00PM May 22, 2024Forecast: 53.6 ft 1:00AM May 23, 2024Forecast: 53.5 ft 7:00AM May 23, 2024Forecast: 53.5 ft 1:00PM May 23, 2024Forecast: 53.4 ft 7:00PM May 23, 2024Forecast: 53.4 ft 1:00AM May 24, 2024Forecast: 53.3 ft 7:00AM May 24, 2024Forecast: 53.2 ft 1:00PM May 24, 2024Forecast: 53.2 ft 7:00PM May 24, 2024Forecast: 53.2 ft 1:00AM May 25, 2024Forecast: 53.1 ft 7:00AM May 25, 2024US Army Corps of EngineersCOLL1(plotting HPIRZ) Graph Created (9:36AM May 20, 2024)ObservedForecast (issued 9:08AM May 20)Latest observed value: 54.5 ft at 7:00 AM CDT 20-May-2024. Flood Stage is 65 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
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Datum: NGVD29
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.

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): -9999

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) 68.90 ft on 03/18/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 68.20 ft on 05/24/2019
(2) 68.90 ft on 03/18/2018
(3) 68.40 ft on 03/28/2016
(4) 69.30 ft on 11/12/2009
(5) 65.30 ft on 05/30/2009
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 Thousands of acres of land flood between and near the levees. Some topping of levees may possible downstream from Columbia.
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 between and near levee systems.
65 The riverton recreational area floods and must be closed. In addition, expect minor flooding of lowland river bottoms.
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Latitude: 32.166800° N, Longitude: 92.112600° 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:

Additional Information Collapse
During periods of possible very heavy rainfall, river forecasts may take into account precipitation amounts expected 30, 36, or even 48 hours into the future from the forecast issuance time.
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Hydrologic Resources Additional Resources
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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
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5655 Hollywood Avenue
Shreveport, LA 71109
(318) 631-3669
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