USGS Water-Year Summary 2024
02423130 CAHABA RIVER AT TRUSSVILLE, AL
LOCATION - Lat 33°37'20", long 86°35'58" referenced to North American Datum of 1927, Jefferson County, AL, Hydrologic Unit 03150202, at center of walk bridge 300 ft upstream of U.S. Highway 11 bridge, 0.5 mi east of Trussville, 8.6 mi upstream from Big Black Creek, and at mile 182.3.
DRAINAGE AREA - 19.7 mi².
REVISIONS HISTORY - WDR AL-92-1: 1989-91 (P). WDR AL-01-1: 1990, 1993-94, 1996-2000 (P).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1988 to current year.
GAGE - Water-stage recorder. Datum of gage is 673.30 ft above NGVD of 1929. Prior to June 30, 2011, recording gage 300 ft downstream at same datum.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 1988 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 1988 to December 2006, October 2007 to current year.
WATER TEMPERATURE: October 1988 to current year.
DISSOLVED OXYGEN: October 1988 to current year.
INSTRUMENTATION - Water-quality monitor.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum, 558 microsiemens/cm, Nov. 9, 15, 2008; minimum, 26 microsiemens/cm, Jan. 30, 1999.
WATER TEMPERATURE: Maximum, 34.9 C, July 14, 2016; minimum, 0.8°C, Feb. 16, 1991.
DISSOLVED OXYGEN: Maximum, 18.6 mg/L, Feb. 15, 16, 2008; minimum, 0.0 mg/L on July 6, 17, September 21, 22, 23, 24, 25, 26, 28, 2007.