USGS Water-Year Summary 2024
02319000 WITHLACOOCHEE RIVER NEAR PINETTA, FL
LOCATION - Lat 30°35'43", long 83°15'35" referenced to North American Datum of 1927, in NW 1/4 sec.07, T.2 W., R.11 E., Madison County, FL, Hydrologic Unit 03110203, on right bank 300 ft downstream from County Road 150 bridge, 0.1 mi downstream from small tributary, 0.3 mi west of Bellville, 5.6 mi east of Pinetta, and 22 mi upstream from mouth.
DRAINAGE AREA - 2,120 mi².
REVISIONS HISTORY - WSP 972: 1941-42. WSP 1905: Drainage area. WDR FL-07-4:2002-03.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1931 to current year. Monthly discharge only for October and November 1931, published in WSP 1304.
GAGE - Water-stage recorder and data-collection platform. Datum of gage is 47.21 ft above National Geodetic Vertical Datum of 1929 (levels by Corps of Engineers) and 46.50 ft above North American Vertical Datum of 1988. Oct. 11, 1931 to Dec. 3, 1941, nonrecording gage at same site and datum. Dec. 3, 1941 to Aug. 2, 1972, water-stage recorder at same site and datum. Aug. 2, 1972 to Apr. 22, 1986, nonrecording gage at same site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in August 1928 reached a stage of 36.75 ft from floodmarks, discharge, 53,600 ft³/s.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
SPECIFIC CONDUCTANCE: February 2017 to current year.
WATER TEMPERATURE: February 2017 to current year.
INSTRUMENTATION - Water quality monitor and data-collection platform.
EXTREMES FOR PERIOD OF RECORD -
SPECIFIC CONDUCTANCE: Maximum, 831 µS/cm @ 25 °C, Oct. 16, 2019; minimum, 40 µS/cm @ 25 °C, April 14, 2024.
WATER TEMPERATURE: Maximum, 29.7 °C, Aug. 14, 2019; minimum, 7.9°C, Jan. 7, 2018.