USGS Water-Year Summary 2024
02299496 MYAKKA RIVER AT EL JOBEAN PORT, FL.
LOCATION - Lat 26°57'28", long 82°12'46" referenced to North American Datum of 1927, in NE 1/4 sec.33, T.40 S., R.21 E., Charlotte County, FL, Hydrologic Unit 03100102, on downstream side of fishing pier, approximately 100 ft upstream from State Highway 771 south bound bridge over the Myakka River at El Jobean, 0.5 mi south of El Jobean, and 2.6 mi upstream from mouth.
DRAINAGE AREA - 580 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2002 to September 2005 (tidal high-high and low-low only); December 2012 to September 2014 (maximum and minimum gage heights only), discontinued.
GAGE - Water-stage recorder. Datum of gage is North American Vertical Datum of 1988. Prior to December 2012 datum of gage was National Geodetic Vertical Datum of 1929.
COOPERATION - The gage is monitored in cooperation with Southwest Florida Water Management District.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 3.25 ft. ft, Sept. 6, 2004; minimum, 3.73 ft below NAVD 88, Dec. 15, 2004. Elevations now reflect current datum of NAVD 1988.
WATER-QUALITY RECORDS
PERIOD OF RECORD - August 2002 to September 2005; December 2012 to September 2014 (discontinued).
INSTRUMENTATION - Water-quality monitor consisting of specific conductance and temperature sensors.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Top sensor maximum, 44,800 microsiemens, Apr. 29, 2013; bottom sensor maximum, 52,700 microsiemens, May 26, 2004, top sensor minimum, 241 microsiemens, Aug. 20, 2004, bottom sensor minimum, 148 microsiemens, Aug. 11, 2003.
TEMPERATURE: Top sensor maximum, 33.6°C, June 23, 2004, July, 10, 2004, Aug. 20, 2005; bottom sensor maximum, 33.5°C, July 10, 11, 2004; top sensor minimum, 11.0°C, Jan. 25, 2003; bottom sensor minimum, 11.2°C, Jan. 25, 2003.