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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
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.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2003 to current year.
GAGE - Water-stage recorder. Datum of gage is 431.56 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18).
Prior to March 10, 2025, the datum of gage was 450 NGVD of 1929 from Topographic Map. However, that elevation was not assigned in the MLR.
REMARKS - Record considered good, except for estimated periods, which are poor. Flow regulated by Lake Purdy Reservoir.
