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Water-Year Summary for Site 02320500

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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.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00065 Gage height(Mean)  
00095 Specific cond at 25C(Max.,Mean,Min.)  

Water year 2020: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 29°57'20", long 82°55'40" referenced to North American Datum of 1927, in NE 1/4 sec.20, T.6 S., R.14 E., Suwannee County, FL, Hydrologic Unit 03110205, near left bank on downstream side of bridge on U.S. Highway 27 at Branford, 10.2 mi upstream from Santa Fe River, and 75 mi upstream from mouth.
DRAINAGE AREA - 7,880 mi². Includes part of watershed in Okefenokee Swamp which is indeterminate.
REVISIONS HISTORY - WSP 1905: WDR FL-75-1: Drainage area. WDR FL-96-4:1995.
PERIOD OF RECORD - July 1931 to current year.
GAGE - Water-stage recorder and data-collection platform. Datum of gage is 4.81 ft above National Geodetic Vertical Datum of 1929.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of August 1928 reached a stage of 32.0 ft, from floodmark; discharge, 65,000 ft³/s computed on basis of measured crest flow at Ellaville (station 02319500).
PERIOD OF RECORD - Water-quality monitors installed March 1, 2017.  Period of record from March 1, 2017 to current year.
COOPERATION - Suwannee River Water Management District.
INSTRUMENTATION - YSI-600R water-quality monitor consisting of temperature and specific conductivity.
REMARKS - Extremes for current year and extremes for period of daily record are based on recorded values and may have been exceeded during periods of no record.


  Maximum instantaneous value: 28.8 C; July 4, 2017

  Minimum instantaneous value: 13.1 C; January 4, 2018


Maximum instantaneous value: 404 uS/cm; October 29, 2019

  Minimum instantaneous value: 61 uS/cm; March 16, 2020