USGS Water-Year Summary for Site 04218601

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

04218601 ERIE (BARGE) CANAL ABOVE HALLS WASTE WEIR AT LOCKPORT, NY

LOCATION - Lat 43°10'28.9", long 78°41'20.6" referenced to North American Datum of 1983, Niagara County, NY, Hydrologic Unit 04130001, on left bank adjacent to floodwall, in Lockport, 880 ft upstream of Halls Waste Weir, and 1,140 ft upstream from Mill Street Lift Bridge.

DRAINAGE AREA - See REMARKS.

REVISIONS HISTORY - Specific conductance records for the period Aug. 16, to Dec. 1, 2022, were revised on Jan. 3, 2023, a calibration error was discovered which changed the required data correction.

SURFACE-WATER RECORDS

PERIOD OF RECORD - March 2021 to current year (navigation seasons only).

GAGE - Acoustic velocity meter, water-stage recorder, and crest-stage gage. Datum of gage is 502.10 ft above NAVD of 1988.

REMARKS - This record represents net diversion from Niagara River basin into Genesee and Oswego River basin through Erie (Barge) Canal. Water Years 2021-22: Records fair except those for estimated daily discharges and discharges below 200 ft³/s, which are poor.

WATER-QUALITY RECORDS

PERIOD OF RECORD - May 2021 to current year (navigation seasons only).

PERIOD OF DAILY RECORD - WATER TEMPERATURE: May 2021 to current year (navigation seasons only).
SPECIFIC CONDUCTANCE: May 2021 to current year (navigation seasons only).
DISSOLVED OXYGEN: May 2021 to current year (navigation seasons only).
TURBIDITY: May 2021 to current year (navigation seasons only).

COOPERATION - In cooperation with NYS Thruway Authority, Office of Canals.

INSTRUMENTATION - A multi-parameter water-quality sonde measures water temperature, specific conductance, dissolved oxygen, and turbidity at 15-minute intervals since May 2021.

EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 26.9°C, Aug. 29, 30, 2021; minimum, 1.8°C, Nov. 23, 2022.
SPECIFIC CONDUCTANCE: Maximum, 979 uS/cm @ 25°C, July 3, 2024; minimum, 220 uS/cm @ 25°C, July 22, 2021.
DISSOLVED OXYGEN: Maximum, 15.9 mg/L, July 21, 2024; minimum, 5.5 mg/L, July 23, 2021.
TURBIDITY: Maximum, 216 FNU, Nov. 15, 2022; minimum, 2.6 FNU, July 31, Aug. 1, 2024.