PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 43°18'49.7", long
78°42'55.5" referenced to North American Datum of
1983, Niagara County, NY, Hydrologic Unit 04130001, on right
bank, 150 ft downstream of dam, 1,000 ft upstream of
Fisherman's Park in Burt, and 1.7 mi upstream of
mouth.
DRAINAGE AREA.--84.8 mi².
PERIOD OF RECORD.--August 2011 to current year.
REVISIONS HISTORY.--Turbidity records for the period June 7 to Sept. 21, 2022, were revised on Dec. 19, 2022, due to a calibration correction that was discovered which changed the required data correction.
GAGE.--Water-stage recorder. Datum of gage is 244.48 ft above NAVD of 1988 and 244.39 ft above IGLD of 1985.
REMARKS.--Considerable regulation by power generation at Burt Dam, 150 ft upstream.
Water Year 2014: Records poor.
Water Year 2015: Records fair except those for October to April, which are poor.
Water Year 2016: Records fair except those for estimated daily discharges, which are poor.
Water Year 2017: Records fair except those for period of backwater as a result of high water levels on Lake Ontario between Apr. 14 and Aug. 30, which are poor.
Water Year 2018: Records fair except those for period of backwater as a result of high water levels on Lake Ontario between May 12-16 and June 3-8, which are poor.
Water Year 2019: Records fair except those for period of backwater as a result of high water levels on Lake Ontario between Apr. 27 and Sept. 30, which are poor.
Water Year 2020: Records fair except those for period of backwater as a result of high water levels on Lake Ontario between Apr. 7 and June 24, which are poor.
Water Years 2021-24: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,420 ft³/s, Jan. 26, 2024, gage height, 6.91 ft; minimum discharge, 0.97 ft³/s, Sept. 29, 2017, gage height, 2.35 ft (result of regulation); minimum gage height, 1.93 ft, Nov. 8, 2014, July 27, 28, 2016 (result of regulation).
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: July 2020 to current year. SPECIFIC CONDUCTANCE: July 2020 to current year. DISSOLVED OXYGEN: July 2020 to current year. TURBIDITY: July 2020 to current year.
INSTRUMENTATION1.--Multi-parameter water-quality sonde measures water temperature, specific conductance, dissolved oxygen, and turbidity at 15-minute intervals since July 2020.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 28.1°C, July 9, 2020; minimum, -0.1°C, on many days.
SPECIFIC CONDUCTANCE: Maximum, 1,490 uS/cm @ 25°C, Feb. 25, 2021; minimum, 351 uS/cm @ 25°C, July 21, 2021, Apr. 6, 2023.
DISSOLVED OXYGEN: Maximum, 15.4 mg/L, Feb. 19, 2022; minimum, 4.4 mg/L, Aug. 26, 2020.
TURBIDITY: Maximum, 204 FNU, Nov. 9, 2023; minimum, 0.01 FNU, Aug. 27, 2021.
1 Water-Quality Records
DRAINAGE AREA.--84.8 mi².
PERIOD OF RECORD.--August 2011 to current year.
REVISIONS HISTORY.--Turbidity records for the period June 7 to Sept. 21, 2022, were revised on Dec. 19, 2022, due to a calibration correction that was discovered which changed the required data correction.
GAGE.--Water-stage recorder. Datum of gage is 244.48 ft above NAVD of 1988 and 244.39 ft above IGLD of 1985.
REMARKS.--Considerable regulation by power generation at Burt Dam, 150 ft upstream.
Water Year 2014: Records poor.
Water Year 2015: Records fair except those for October to April, which are poor.
Water Year 2016: Records fair except those for estimated daily discharges, which are poor.
Water Year 2017: Records fair except those for period of backwater as a result of high water levels on Lake Ontario between Apr. 14 and Aug. 30, which are poor.
Water Year 2018: Records fair except those for period of backwater as a result of high water levels on Lake Ontario between May 12-16 and June 3-8, which are poor.
Water Year 2019: Records fair except those for period of backwater as a result of high water levels on Lake Ontario between Apr. 27 and Sept. 30, which are poor.
Water Year 2020: Records fair except those for period of backwater as a result of high water levels on Lake Ontario between Apr. 7 and June 24, which are poor.
Water Years 2021-24: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,420 ft³/s, Jan. 26, 2024, gage height, 6.91 ft; minimum discharge, 0.97 ft³/s, Sept. 29, 2017, gage height, 2.35 ft (result of regulation); minimum gage height, 1.93 ft, Nov. 8, 2014, July 27, 28, 2016 (result of regulation).
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: July 2020 to current year. SPECIFIC CONDUCTANCE: July 2020 to current year. DISSOLVED OXYGEN: July 2020 to current year. TURBIDITY: July 2020 to current year.
INSTRUMENTATION1.--Multi-parameter water-quality sonde measures water temperature, specific conductance, dissolved oxygen, and turbidity at 15-minute intervals since July 2020.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 28.1°C, July 9, 2020; minimum, -0.1°C, on many days.
SPECIFIC CONDUCTANCE: Maximum, 1,490 uS/cm @ 25°C, Feb. 25, 2021; minimum, 351 uS/cm @ 25°C, July 21, 2021, Apr. 6, 2023.
DISSOLVED OXYGEN: Maximum, 15.4 mg/L, Feb. 19, 2022; minimum, 4.4 mg/L, Aug. 26, 2020.
TURBIDITY: Maximum, 204 FNU, Nov. 9, 2023; minimum, 0.01 FNU, Aug. 27, 2021.
1 Water-Quality Records
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