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  • UPDATE, 11/9: As of November 8, the USGS has successfully restored all of the operational gages that stopped transmitting due to an issue with the satellite telemetry system that records and transmits data. The USGS will now focus on restoring other equipment that experienced the telemetry issues, including about 85 rapid deployment gages that are used periodically for emergency response. Read more
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Water-Year Summary for Site 02300021

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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.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00065 Gage height(Max.,Min.)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
63160 Stream level, NAVD(Max.,Min.)  
72137 Discharge,tide fltrd(Mean)  

Water year 2018: 2018-10-01 to 2019-09-30
 

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USGS Water-Year Summary 2018
02300021 MANATEE RIVER AT FORT HAMER, FL.
LOCATION - Lat 27°31'05", long 82°25'42" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 SW 1/4 sec.17, T.34 S., R.19 E., Manatee County, FL, Hydrologic Unit 03100202, on left bank, on private dock on Upper Manatee River Road, 0.5 mi south of Fort Hamer, and 15 mi upstream from mouth.
DRAINAGE AREA - 216 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1997 to September 1998 (maximum and minimum only); January 2001 to September 2003 (maximum and minimum only); October 2003 to January 2006 (tidal high-high and low-low only), February 2006 to October 2016 (discontinued).
REVISED RECORDS - WDR FL-03-3A: Tidal high-high and low-low for Sept. 19-30. WDR FL-04-3A: Tidal high-high and low-low for 2004 is in error. Corrected data are available in files of the Geological Survey.
GAGE - Water-stage recorder. Datum of gage is National Geodetic Vertical Datum of 1929 and 1.03 ft below North American Vertical Datum of 1988. Prior to Jan. 24, 2001 datum of gage is 7.25 ft. below National Geodetic Vertical Datum of 1929.
COOPERATION - This gage is monitored in cooperation with Southwest Florida Water Management District and with Manatee County.
REMARKS - Streamflow at this site is significantly affected by astronomical tides. By convention, the U.S. Geological Survey has established ebb (seaward) flows as positive flow and flood (landward) flows as negative flows.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 5.88 ft, Sep. 26, 2004; minimum, 2.00 ft below NGVD of 1929, Jan. 3, 2008.
WATER-QUALITY RECORDS
PERIOD OF RECORD - March 1997 to September 1998; January 2001 to October 2016 (discontinued).
COOPERATION - This gage is monitored in cooperation with Southwest Florida Water Management District and with Manatee County.
INSTRUMENTATION - Water-quality monitor consisting of specific conductance and temperature sensors located near the surface and near the bottom.
REMARKS - Top sensor comes out of the water at times during extreme low tides.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Top sensor maximum, 46,400 microsiemens, May 13, 2009; bottom sensor maximum, 46,400 microsiemens, May 13, 2009; top sensor minimum, 78 microsiemens, Sep. 21, 2004; bottom sensor minimum, 43 microsiemens, Sep. 21, 2004. TEMPERATURE: Top sensor maximum, 35.0°C, June 18, 1998; bottom sensor maximum, 34.9°C, July 2, 1998; top sensor minimum, 7.7.0°C, Jan. 12, 2010; bottom sensor minimum, 7.4°C, Jan. 11, 2010.