USGS Water-Year Summary 2021
02423414 LITTLE CAHABA RIVER AT CAHABA BEACH ROAD NEAR CAHABA HEIGHTS, AL
LOCATION - Lat 33°26'23", long 86°41'56" referenced to North American Datum of 1927, Shelby County, AL, Hydrologic Unit 03150202, on right bank, 1.3 mi from mouth, 1.5 mi southeast of Cahaba Heights, and 3.9 mi southwest of Lake Purdy dam.
DRAINAGE AREA - 47 mi².
PERIOD OF RECORD - August 2003 to current year.
GAGE - Water-stage recorder. Elevation of gage is 450 ft above NGVD of 1929, from topographic map.