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Web Portal Changes: In Spring 2024, the Advanced Hydrologic Prediction Service (AHPS) hosted at will be replaced by the National Water Prediction Service (NWPS) at a repurposed A preview of NWPS is available here, where you can see your station hydrograph by replacing SSSSS with the station 5-character id:

Flood Inundation Mapping: Experimental real-time flood Inundation mapping services for 10% of the United States are now available via the NWS Map Viewer. Additional products and geospatial services depicting River Forecast Center and National Water Model forecasts continue to be accessible as described in the StoryMap here.

Please visit for more information.

Hydrograph River at a Glance Download
Congaree River at Carolina Eastman Stage (ft)Flow (cfs)Observed: 106 ft at 7:00AM Feb 21, 2024Observed: 106.3 ft at 7:00AM Feb 22, 2024Observed: 105.2 ft at 7:00AM Feb 23, 2024Observed: 105.1 ft at 7:00AM Feb 24, 2024Observed: 105.5 ft at 7:00AM Feb 25, 2024Observed: 105.3 ft at 7:00AM Feb 26, 2024Observed: 106.1 ft at 7:00AM Feb 27, 2024Highest Observation: 106.4 ft at 7:00AM Feb 28, 2024Observed: 106.3 ft at 7:00AM Feb 29, 2024CEAS1(plotting HGIRZ) Graph Created (5:31PM Feb 29, 2024)ObservedLatest observed value: 106.3 ft at 7:00 AM EST 29-Feb-2024. Flood Stage is 115 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NGVD29
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts for the Congaree River at Carolina Eastman are issued routinely year-round.

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Upstream Gauge - at Columbia Upstream Gauge Downstream Gauge Downstream Gauge - at Congaree National Park
Flood Categories (in feet)
Major Flood Stage: 126
Moderate Flood Stage: 119
Flood Stage: 115
Action Stage: 114
Low Stage (in feet): 0

Historic Crests
(1) 126.95 ft on 10/12/1976
(2) 126.90 ft on 02/27/1979
(3) 126.90 ft on 10/05/2015
(4) 126.40 ft on 02/09/2020
(5) 126.00 ft on 03/16/1975
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 115.60 ft on 02/14/2024
(2) 115.70 ft on 02/14/2024
(3) 119.00 ft on 01/29/2024
(4) 125.20 ft on 01/12/2024
(5) 121.10 ft on 12/29/2023
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 100.40 ft on 08/26/2007
(2) 100.40 ft on 08/25/2007
(3) 100.50 ft on 06/20/2008
(4) 100.60 ft on 10/03/2007
(5) 100.70 ft on 09/30/2007
Show More Low Water Records
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
131 The floor elevation of some major buildings on the Carolina Eastman Facility are flooded. Extensive farmland and lowland flooding occurs south of Columbia to Lake Marion.
127 Portions of the Carolina Eastman facility have to be evacuated.
126 Extensive farmland and lowland flooding will occur south of Columbia to Lake Marion. Water reaches the top of some dikes at the Carolina Eastman Facility.
124 Extensive flooding occurs at the Carolina Eastman Facility with some access roads flooded. Extensive farmland flooding occurs in the area.
119 Extensive flooding occurs in the Congaree National Park. Some area farmland is flooded. Minor flooding occurs at the Carolina Eastman Facility.
115 Flooding occurs in low lying areas of the Carolina Eastman Facility and at the Congaree National Park.
About This Location Collapse

Latitude: 33.877580° N, Longitude: 81.015610° W, Horizontal Datum: Unknown

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 115 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 ft 115 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

Data courtesy of Dak Americas.
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Columbia Weather Forecast Office
2909 Aviation Way
West Columbia, SC 29170-2102
(803) 822-8135
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Page last modified: 2-Nov-2020 7:30 PM
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