USGS Water-Year Summary 2024
0135980207 HUDSON RIVER NEAR SCHODACK LANDING, NY
LOCATION - Lat 42°29'58.6", long 73°46'36.5" referenced to North American Datum of 1983, Rensselaer County, NY, Hydrologic Unit 02020006, on left bank at Schodack Island State Park, 0.7 mi downstream of Castleton Bridge on State Highway 912M, 1.4 mi northeast of Schodack Landing, New York, and 1.8 mi upstream of Coeymans Creek.
DRAINAGE AREA - 8,594 mi².
WATER-QUALITY RECORDS
PERIOD OF RECORD - April 2019 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: April 2019 to current year.
SPECIFIC CONDUCTANCE: April 2019 to current year.
pH: April 2019 to current year.
DISSOLVED OXYGEN: April 2019 to current year.
TURBIDITY: May 2019 to current year.
COOPERATION - Maintained by the Hudson River Environmental Conditions Observing System in cooperation with the New York State Department of Environmental Conservation.
INSTRUMENTATION - A multi-parameter water-quality sonde measures water temperature, specific conductance, pH, dissolved oxygen, and turbidity at 15-minute intervals since April 2019.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 28.8°C, Aug. 7, 8, 2022; minimum, -0.6°C, on several days in winter 2021.
SPECIFIC CONDUCTANCE: Maximum, 482 uS/cm @ 25°C, Mar. 5, 2021; minimum, 127 uS/cm @ 25°C, Apr. 23, 2019.
pH: Maximum, 9.0, July 27, 2020; minimum, 7.4, on many days.
DISSOLVED OXYGEN: Maximum, 15.4 mg/L, Dec. 26, 27, 28, 2022, Feb. 6, 12, 2023; minimum, 4.5 mg/L, July 4, 2020.
TURBIDITY: May 19, 2019 to July 28, 2022: Maximum, 640 FNU, Nov. 2, 2019; minimum, <0.3 FNU, on many days. [<, actual value is known to be less than the value shown] Aug. 2, 2022 to current year: Maximum, 390 FNU, July 11, 2023; minimum, 1.0 FNU, Aug. 5, 2022, June, 2, 2023.