USGS Water-Year Summary 2021
02425000 CAHABA RIVER NEAR MARION JUNCTION, AL
LOCATION - Lat 32°26'38", long 87°10'49" referenced to North American Datum of 1927, Dallas County, AL, Hydrologic Unit 03150202, on upstream side of upstream bridge on U.S. Highway 80, 3.8 mi downstream of Oakmulgee Creek, 3.5 mi east of Marion Junction, and 21.4 mi upstream of mouth.
DRAINAGE AREA - 1,766 mi².
- WDR AL-84-1: Drainage area. WDR AL-2006-1: Hydrologic unit code.
PERIOD OF RECORD - October 1938 to September 1954, October 1968 to current year. Monthly discharge only October to December 1938, published in WSP 1304. Gage-height records collected at same site from 1939 to 1971 are contained in reports of the National Weather Service.
GAGE - Water-stage recorder. Datum of gage is 86.72 ft above NGVD of 1929 (levels by the U.S. Army Corps of Engineers). October 1940 to September 1954, nonrecording gage 12 mi downstream from base gage at same datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Feb. 24, 1961, reached a stage of 43.80 ft, present datum, from floodmarks (discharge not determined).