PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 40°42'40.7", long
74°07'22.3" referenced to North American Datum of
1983, Newark City, Essex County, NJ, Hydrologic Unit 02030104,
on right bank of Newark Bay at the Passaic Valley Sewerage
Commision treatment plant at Oak Island Yards, 0.5 mi
downstream from the confluence of Passaic and Hackensack Rivers
at Newark Bay and 1.2 mi upstream of the Vincent R. Casciano
Memorial Bridge on US Highway 78 in Newark, New
Jersey.
PERIOD OF RECORD1.--July 2021 to current year.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: July 2021 to current year.
SPECIFIC CONDUCTANCE: July 2021 to current year.
SALINITY: July 2021 to current year.
pH: July 2021 to current year.
DISSOLVED OXYGEN: July 2021 to current year.
TURBIDITY: July 2021 to current year.
INSTRUMENTATION1.--A multi-parameter water-quality sonde measures water temperature, specific conductance, pH, dissolved oxygen, and turbidity at 15-minute intervals since July 2021. Salinity record computed from specific-conductance readings.
COOPERATION1.--Maintained by the Hudson River Environmental Conditions Observing System in cooperation with the Passaic Valley Sewerage Commision.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 28.1°C, Aug. 9, 2022; minimum, 0.1°C, Jan. 31, Dec. 26, 2022.
SPECIFIC CONDUCTANCE: Maximum, 36,600 uS/cm @ 25°C, June 10, 2022; minimum, 268 uS/cm @ 25°C, Sept. 4, 2021.
SALINITY: Maximum, 23.1 psu, June 10, 2022; minimum, 0.1 psu, Sept. 4, 2021.
pH: Maximum, 8.4, on several days; minimum, 6.3, Sept. 2, 2021.
DISSOLVED OXYGEN: Maximum, 13.4 mg/L, Feb. 7, 9, 2022; minimum, 2.2 mg/L, July 16, 2021.
TURBIDITY: Maximum, 173 FNU, May 19, 2022; minimum, 0.4 FNU, Mar. 11, 2022.
1 Water-Quality Records
PERIOD OF RECORD1.--July 2021 to current year.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: July 2021 to current year.
SPECIFIC CONDUCTANCE: July 2021 to current year.
SALINITY: July 2021 to current year.
pH: July 2021 to current year.
DISSOLVED OXYGEN: July 2021 to current year.
TURBIDITY: July 2021 to current year.
INSTRUMENTATION1.--A multi-parameter water-quality sonde measures water temperature, specific conductance, pH, dissolved oxygen, and turbidity at 15-minute intervals since July 2021. Salinity record computed from specific-conductance readings.
COOPERATION1.--Maintained by the Hudson River Environmental Conditions Observing System in cooperation with the Passaic Valley Sewerage Commision.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 28.1°C, Aug. 9, 2022; minimum, 0.1°C, Jan. 31, Dec. 26, 2022.
SPECIFIC CONDUCTANCE: Maximum, 36,600 uS/cm @ 25°C, June 10, 2022; minimum, 268 uS/cm @ 25°C, Sept. 4, 2021.
SALINITY: Maximum, 23.1 psu, June 10, 2022; minimum, 0.1 psu, Sept. 4, 2021.
pH: Maximum, 8.4, on several days; minimum, 6.3, Sept. 2, 2021.
DISSOLVED OXYGEN: Maximum, 13.4 mg/L, Feb. 7, 9, 2022; minimum, 2.2 mg/L, July 16, 2021.
TURBIDITY: Maximum, 173 FNU, May 19, 2022; minimum, 0.4 FNU, Mar. 11, 2022.
1 Water-Quality Records
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![Graph of Temperature, water, degrees Celsius, [HRECOS]](https://nadww02.cr.usgs.gov/nwisweb/data/img/USGS.404241074072202.278536.00010..20230925.20231002..0..gif)
![Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, [HRECOS]](https://nadww02.cr.usgs.gov/nwisweb/data/img/USGS.404241074072202.278534.00095..20230925.20231002..0..gif)
![Graph of Dissolved oxygen, water, unfiltered, milligrams per liter, [HRECOS]](https://nadww02.cr.usgs.gov/nwisweb/data/img/USGS.404241074072202.278537.00300..20230925.20231002..0..gif)
![Graph of pH, water, unfiltered, field, standard units, [HRECOS]](https://nadww02.cr.usgs.gov/nwisweb/data/img/USGS.404241074072202.278539.00400..20230925.20231002..0..gif)
