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Water-Year Summary for Site 301204081434900

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00480 Salinity(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
301204081434900 ORTEGA RIVER SALINITY AT JACKSONVILLE, FL
LOCATION - Lat 30°12'04.25", long 81°43'49.44" referenced to North American Datum of 1983, in T.3 S., R.26 E., Duval County, FL, Hydrologic Unit 03080103, in land grant 31, near right bank on upstream side of Collins Rd, 0.5 mi downstream of I-295, 2.8 mi northwest of Orange Park, and 5.2 mi upstream of confluence with Cedar River.
DRAINAGE AREA - Indeterminate.
WATER-QUALITY RECORDS
PERIOD OF RECORD - 
SPECIFIC CONDUCTANCE: October 2015 to current year.
WATER TEMPERATURE: October 2015 to current year.
SALINITY: October 2015 to current year.

COOPERATION - This gage is monitored in cooperation with the U.S. Army Corps of Engineers.
INSTRUMENTATION - Water-quality monitor and data-collection platform.
REMARKS - Extremes for current year and extremes for period of daily record are based on recorded values and may have been exceeded during periods of no record. October 2015 to current year; water temperature, specific conductance, and salinity published as daily maximum, minimum, and mean.
EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum, 31,400 µS/cm @ 25 °C, May 29, 2023; minimum, 59 µS/cm @ 25 °C, Sept. 11, 2017.

WATER TEMPERATURE: Maximum, 31.0, Aug. 13, 2023: minimum, 4.7 °C, Jan. 5, 2018.

SALINITY: Maximum 20 ppth, May 29, 2023; minimum 0.0 ppth, many days.