USGS Water-Year Summary 2024
02423496 CAHABA RIVER NEAR HOOVER, AL
LOCATION - Lat 33°22'09", long 86°47'03" referenced to North American Datum of 1927, Jefferson County, AL, Hydrologic Unit 03150202, upstream of Cahaba River Sewage Treatment Plant, 1.1 mi upstream from U.S. Highway 31, 2.1 mi upstream from station 02423500, and at mile 138.9.
DRAINAGE AREA - 226 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1988 to current year.
GAGE - Water-stage recorder. Datum of gage is 379.56 ft above NGVD of 1929 (levels by Jefferson County Engineering Department).
WATER-QUALITY RECORDS
PERIOD OF RECORD - November 1988 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: November 1988 to December 2006, October 2007 to current year.
WATER TEMPERATURE: November 1988 to current year.
DISSOLVED OXYGEN: November 1988 to current year.
INSTRUMENTATION - Water-quality monitor.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum, 529 microsiemens/cm, July 30. 2013; minimum, 29 microsiemens/cm, May 4, 5, 1997.
WATER TEMPERATURE: Maximum, 34.1°C, June 8, 1990; minimum, 0.5°C, Dec. 24, 1989.
DISSOLVED OXYGEN: Maximum, 17.1 mg/L, Mar. 6, 2002; minimum, 0.5 mg/L, Sept. 28, 1995.