PROVISIONAL DATA SUBJECT TO REVISION
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Site Information
LOCATION.--Lat 42°56'41.16", long
76°25'45.09" referenced to North American Datum of
1983, Onondaga County, NY, Hydrologic Unit 04140201, on west
side of breakwater, at Skaneateles.
DRAINAGE AREA.--72.7 mi².
PERIOD OF RECORD.--October 1967 to March 1995. Records since September 1890 collected by, and in files of, City of Syracuse.
GAGE.--October 1967 to March 1995, nonrecording gages read once daily by employees of Syracuse Water Division. Datum of gage is NGVD of 1929. Gage readings from October 1967 to September 1975 were originally published at a datum 801.75 ft higher and have been reduced to elevations above NGVD of 1929.
COOPERATION.--Records furnished by City of Syracuse.
REMARKS.--Lake elevation regulated by gates at outlet by Syracuse Water Division. Area of water surface, 13.6 mi².
EXTREMES FOR PERIOD OF RECORD.--(since 1890): Maximum observed elevation, 866.95 ft above NGVD of 1929, June 25, 26, 1972; minimum observed, 858.90 ft above NGVD of 1929, Nov. 15, 1965.
PERIOD OF RECORD1.--August 2018 to current year (non-winter seasons only).
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: August 2018 to current year (non-winter seasons only).
SPECIFIC CONDUCTANCE: August 2018 to current year (non-winter seasons only).
pH: August 2018 to current year (non-winter seasons only).
DISSOLVED OXYGEN: August 2018 to current year (non-winter seasons only).
TURBIDITY: August 2018 to current year (non-winter seasons only).
CHLOROPHYLL FLUORESCENCE: December 2019 to current year (non-winter seasons only).
PHYCOCYANIN FLUORESCENCE: December 2019 to current year (non-winter seasons only).
DISSOLVED ORGANIC MATTER FLUORESCENCE: September 2019 to current year (non-winter seasons only).
INSTRUMENTATION1.--A continuous water-quality monitor with water temperature, specific conductance, pH, dissolved oxygen, turbidity, chlorophyll fluorescence, phycocyanin fluorescence, and dissolved organic carbon fluorescence provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 27.8°C, Aug. 8, 2022; minimum 2.1°C, Dec. 12, 2018.
SPECIFIC CONDUCTANCE: Maximum, 313 uS/cm @ 25°C, Dec. 4, 2018, minimum, 256 uS/cm @ 25°C, Aug. 25, 26, 2020.
pH: Maximum, 8.8, on several days during summer periods; minimum, 7.8, on several days during summer periods.
DISSOLVED OXYGEN: Maximum, 14.5 mg/L, May 12, 2022; minimum, 6.7 mg/L Aug. 11, 2018, Aug. 23, 2021.
TURBIDITY: Maximum, 48.5 FNU, Nov. 5, 2018, minimum, <0.3 FNU, on many days. [<, actual value is known to be less than the value shown]
CHLOROPHYLL FLUORESCENCE: Maximum, 14.0 ug/L, 3.49 RFU , Aug. 19, 2020, minimum, <0.00 ug/L, <0.00 RFU on many days. [<, actual value is known to be less than the value shown]
PHYCOCYANIN FLUORESCENCE: Maximum, , minimum, <0.00 ug/L, <0.00 RFU on many days. [<, actual value is known to be less than the value shown]
DISSOLVED ORGANIC CARBON FLUORESCENCE: Maximum, 16.3 QSE, 5.58 RFU, Oct. 17, 2021; minimum, 1.23 QSE, 0.48 RFU, June 2, 2021.
1 Water-Quality Records
DRAINAGE AREA.--72.7 mi².
PERIOD OF RECORD.--October 1967 to March 1995. Records since September 1890 collected by, and in files of, City of Syracuse.
GAGE.--October 1967 to March 1995, nonrecording gages read once daily by employees of Syracuse Water Division. Datum of gage is NGVD of 1929. Gage readings from October 1967 to September 1975 were originally published at a datum 801.75 ft higher and have been reduced to elevations above NGVD of 1929.
COOPERATION.--Records furnished by City of Syracuse.
REMARKS.--Lake elevation regulated by gates at outlet by Syracuse Water Division. Area of water surface, 13.6 mi².
EXTREMES FOR PERIOD OF RECORD.--(since 1890): Maximum observed elevation, 866.95 ft above NGVD of 1929, June 25, 26, 1972; minimum observed, 858.90 ft above NGVD of 1929, Nov. 15, 1965.
PERIOD OF RECORD1.--August 2018 to current year (non-winter seasons only).
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: August 2018 to current year (non-winter seasons only).
SPECIFIC CONDUCTANCE: August 2018 to current year (non-winter seasons only).
pH: August 2018 to current year (non-winter seasons only).
DISSOLVED OXYGEN: August 2018 to current year (non-winter seasons only).
TURBIDITY: August 2018 to current year (non-winter seasons only).
CHLOROPHYLL FLUORESCENCE: December 2019 to current year (non-winter seasons only).
PHYCOCYANIN FLUORESCENCE: December 2019 to current year (non-winter seasons only).
DISSOLVED ORGANIC MATTER FLUORESCENCE: September 2019 to current year (non-winter seasons only).
INSTRUMENTATION1.--A continuous water-quality monitor with water temperature, specific conductance, pH, dissolved oxygen, turbidity, chlorophyll fluorescence, phycocyanin fluorescence, and dissolved organic carbon fluorescence provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 27.8°C, Aug. 8, 2022; minimum 2.1°C, Dec. 12, 2018.
SPECIFIC CONDUCTANCE: Maximum, 313 uS/cm @ 25°C, Dec. 4, 2018, minimum, 256 uS/cm @ 25°C, Aug. 25, 26, 2020.
pH: Maximum, 8.8, on several days during summer periods; minimum, 7.8, on several days during summer periods.
DISSOLVED OXYGEN: Maximum, 14.5 mg/L, May 12, 2022; minimum, 6.7 mg/L Aug. 11, 2018, Aug. 23, 2021.
TURBIDITY: Maximum, 48.5 FNU, Nov. 5, 2018, minimum, <0.3 FNU, on many days. [<, actual value is known to be less than the value shown]
CHLOROPHYLL FLUORESCENCE: Maximum, 14.0 ug/L, 3.49 RFU , Aug. 19, 2020, minimum, <0.00 ug/L, <0.00 RFU on many days. [<, actual value is known to be less than the value shown]
PHYCOCYANIN FLUORESCENCE: Maximum, , minimum, <0.00 ug/L, <0.00 RFU on many days. [<, actual value is known to be less than the value shown]
DISSOLVED ORGANIC CARBON FLUORESCENCE: Maximum, 16.3 QSE, 5.58 RFU, Oct. 17, 2021; minimum, 1.23 QSE, 0.48 RFU, June 2, 2021.
1 Water-Quality Records
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![Graph of Dissolved oxygen, water, unfiltered, milligrams per liter, [(2)]](https://webvastage1.er.usgs.gov/nwisweb/data/img/USGS.04236000.237381.00300..20241114.20241121..0..gif)
