PROVISIONAL DATA SUBJECT TO REVISION
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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.
PERIOD OF RECORD.--March 2021 to current year (navigation seasons only).
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.
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 Year 2021: Records fair except those for estimated daily discharges and discharges below 200 ft³/s, which are poor.
DRAINAGE AREA.--See REMARKS.
PERIOD OF RECORD.--March 2021 to current year (navigation seasons only).
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.
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 Year 2021: Records fair except those for estimated daily discharges and discharges below 200 ft³/s, which are poor.
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