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Water-Year Summary for Site 02304517

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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.
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Available Parameters
00010 Temperature, water(Max.,Mean,Min.) [BOTTOM]  
00010 Temperature, water(Max.,Mean,Min.) [TOP]  
00095 Specific cond at 25C(Max.,Min.,Mean) [BOTTOM]  
00095 Specific cond at 25C(Max.,Mean,Min.) [TOP]  
00300 Dissolved oxygen(Max.,Mean,Min.)  
00300 Dissolved oxygen(Mean,Min.,Max.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
02304517 HILLSBOROUGH R BL HANNAHS WHIRL NR SULPHUR SPGS FL
LOCATION - Lat 28°00'54.58", long 82°26'32.66" referenced to North American Datum of 1983, Hillsborough County, FL, Hydrologic Unit 03100205, Gage is located on private dock behind house on E Park Circle, approximately 1.2 miles below Tampa Dam.
DRAINAGE AREA - 626 mi². 626 mi².
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2017 to current year.
COOPERATION - This gage is monitored in cooperation with the Southwest Florida Water Management District.
INSTRUMENTATION - Water-quality monitors consisting of specific conductance, temperature and dissolved oxygen sensors.
EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Top sensor maximum, 20,300 microsiemens, May 31, 2023; bottom sensor maximum, 26,200 microsiemens, May 31, 2023; top sensor minimum, 115 microsiemens, Aug. 01, 2019; bottom sensor minimum, 94 microsiemens, Aug. 17, 2023.

TEMPERATURE: Top sensor maximum, 33.0°C, Aug 13, 2023; bottom sensor maximum, 33.0°C, Aug 13, 2023; top sensor minimum, 12.4°C, Dec 29, 2022; bottom sensor minimum, 12.4°C, Dec 29, 2022 

DISSOLVED OXYGEN: Top sensor maximum, 13.6 mg/L, Nov. 24, 2017; bottom sensor maximum, 12.3 mg/L, Apr. 15, 2019; top sensor minimum, 0.0 mg/L, May 12, 13, 20, 2022 and May 31, June 01, 2023; bottom sensor minimum, 0.1 mg/L, several days in the 2018 WY, 2020 WY, 2022 WY and 2023 WY.