Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 02306000

Click to hide Water-Year Summary instructions and information
  • 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)  
00045 Precipitation(Sum)  
00060 Discharge(Mean)  
00065 Gage height(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
63160 Stream level, NAVD88(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

Print this page
USGS Water-Year Summary 2023
LOCATION - Lat 28°01'15", long 82°27'07" referenced to North American Datum of 1927, in NE 1/4 sec.25, T.28 S., R.18 E., Hillsborough County, FL, Hydrologic Unit 03100205, on east side of spring pool, 100 ft west of U. S. Highway 41 in Sulphur Springs, and 500 ft upstream from mouth of outlet channel at Hillsborough River.
REVISIONS HISTORY - WRD FL-91-3A: Discharge and diversion published in 1988-90; WDR FL-03-3A: Discharge and diversion published in 1997 and diversion published in 2002.
PERIOD OF RECORD - 1917, 1929, 1930 (one discharge measurement in each year); February 1931 to June 1934 (monthly discharge measurements published as "at Tampa"); 1935, 1945, 1946 (miscellaneous discharge measurements); May 1956 to June 1959 (periodic discharge measurements only); July 1959 to current year.
GAGE - Water-stage recorder. Datum of gage is National Geodetic Vertical Datum of 1929 and 0.79 ft below North American Vertical Datum of 1988. Prior to July 15, 1959, nonrecording gage at same site and datum.
COOPERATION - This gage is monitored in cooperation with the City of Tampa and Hillsborough County.
REMARKS - Flow regulated by gates at head of springs. Some diversions at times by pumping from the spring pool into Hillsborough River above and below the dam by the City of Tampa Water Department. Statistics do not include diverted flow.
PERIOD OF RECORD - June 2016 to current year.
INSTRUMENTATION - An 8-inch diameter, tipping bucket precipitation gage 15-minute interval, mounted on a 2-inch diameter aluminum pipe with the top of the funnel 7 ft above the ground.
REMARKS - Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service.
PERIOD OF RECORD - May 1999 to current year.
COOPERATION - This gage is monitored in cooperation with Southwest Florida Water Management District.
INSTRUMENTATION - Water-quality monitor consisting of specific conductance and temperature sensors located at 0.25 ft below NGVD 1929.

SPECIFIC CONDUCTANCE: Maximum, 8,280 microsiemens, Aug. 7, 8, 2011; minimum, 1,780 microsiemens, June 27, 2002. TEMPERATURE: Maximum, 26.2°C, several days in July, August, and September 2023; minimum, 23.8°C, several days in January 2011.