Chattooga River at Hwy 76, SC

River level and flood forecast · Rabun County

Normal1.7 ftas of Mon 3 PM

The river is 13.3 ft below flood stage (15 ft).

Flow: 436 cubic feet per second (USGS).

The last 7 days and the forecast

-50510152025TueWedThuFriSatSunMonAction 14 ftFlood 15 ftModerate 20 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage29 ft
Moderate flood stage20 ft
Flood stage15 ft
Action stage14 ft
Record crest (August 30, 1940)13.8 ft

What floods at each level

From the National Weather Service, highest first.

  • 42 ftROAD OVER THE RIVER WILL BEGIN TO FLOOD...BUT IS WELL ABOVE RECORD CREST OF 13.8 FEET.
  • 15 ftROADS DOWNSTREAM MAY START TO FLOOD
  • 7 ftRIVER LEVELS WILL BE VERY HIGH AND VERY DANGEROUS FOR RAFTERS OR ANYONE NEAR THE RIVER.
  • 5 ft5 INCH BASINWIDE 36 HR RAINFALL CAUSED 4 FT RISE...FROM 1.5 TO 5.5 FEET.
  • 4.5 ftLEVEL AT WHICH WHITEWATER RAFTING WILL BECOME DANGEROUS AND RIVER OPERATIONS WILL BE SHUT DOWN. THERE IS A 5 HOUR DELAY IN CREST AFTER CREST AT BURG1.
  • 3.5 ftGENERAL RAIN OF 3 TO 4 INCHES IN 12 HOURS WILL TAKE THE RIVER ABOVE FLOOD STAGE. RIVER LEVEL WILL BE AROUND 6 FT
  • 2.75 ft2.75 TO 3 INCHES OF RAIN IN 12 HOURS WILL TAKE RIVER TO 4.30 FT

Highest crests on record

  1. 13.8 ft — August 30, 1940
  2. 12 ft — May 28, 1973
  3. 11.37 ft — September 27, 2024
  4. 11.21 ft — September 17, 2004
  5. 11.12 ft — October 4, 1964

Recent crests: 11.37 ft (September 27, 2024) · 4.82 ft (December 23, 2013) · 5.5 ft (July 5, 2013) · 5.61 ft (November 28, 2011) · 5.65 ft (March 6, 2011)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CYNG1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.