USGS Water-Year Summary 2023
295308085143700 IWW EAST OF GULF CO CANAL NEAR PORT ST JOE, FL
LOCATION - Lat 29°53'08.0", long 85°14'37.0" referenced to North American Datum of 1983, in sec.09, T.7 S., R.10 W., Gulf County, FL, Hydrologic Unit 03140101,
SURFACE-WATER RECORDS
GAGE - Water-stage and velocity recorder. Datum of gage is North American Vertical Datum of 1988.
COOPERATION - This gage is monitored in cooperation with Northwest Florida Water Management District.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 4.17 ft NAVD 88, Sept. 16, 2020; minimum, 1.62 ft below NAVD 88, Sept. 29, 2022.
WATER-QUALITY RECORDS
PERIOD OF RECORD - SPECIFIC CONDUCTANCE (Top): September 2020 to current year.
SPECIFIC CONDUCTANCE (Bottom): September 2020 to current year.
WATER TEMPERATURE (Top): September 2020 to current year.
WATER TEMPERATURE (Bottom): September 2020 to current year.
COOPERATION - This gage is monitored in cooperation with Northwest Florida Water Management District.
INSTRUMENTATION - Water-quality monitor consisting of temperature, specific conductance, pH, dissolved oxygen and nitrate sensor. sensors located near the surface and above the bottom. The elevation of the top sensor pin is at -1.95 ft below NAVD 1988. The elevation of the bottom sensor pin is at -6.50 ft NAVD 1988. The elevation of the nitrate sensor pin is at -7.00 ft below NAVD 1988.
EXTREMES FOR PERIOD OF RECORD -
SPECIFIC CONDUCTANCE (Top): Maximum recorded, 45,200 us/cm Nov. 11, 2022; minimum recorded, 66 us/cm Sept. 23, 2021.
SPECIFIC CONDUCTANCE (Bottom): Maximum recorded 49,600 us/cm, Nov. 27, 2022; minimum recorded, 67 us/cm Sept. 23, 2021.
WATER TEMPERATURE (Top): Maximum recorded, 34.5 °C Aug. 01, 2022, and Aug. 2, 2023; minimum recorded, 7.8 °C Dec. 27, 2022.
WATER TEMPERATURE (Bottom): Maximum recorded, 34.3 °C Aug. 15, 2023; minimum recorded, 8.3 °C Dec. 26, 2022.
pH (Top): Maximum recorded, 9.1 pH units on June 8, 2021; minimum recorded, 6.0 pH units on July 24, 2022.
pH (Bottom): Maximum recorded 8.8 pH units on June 9, 2021; minimum recorded, 6.1 pH units on Sept. 23, 2021.
DISSOLVED OXYGEN (Top): Maximum recorded, 10.6 mg/L on Dec. 29, 2020; minimum recorded 2.6 mg/L on Oct. 2, 2020.
DISSOLVED OXYGEN (BOTTOM): Maximum recorded, 10.5 mg/L on Dec. 29, 2020; minimum recorded 2.6 mg/L on Sept. 2.6, 2022.
NITRATE: Maximum instantaneous value: 0.49 mg/L; Jan. 01, 2021. Minimum instantaneous value: 0.00 mg/L; numerous days.