PROVISIONAL DATA SUBJECT TO REVISION
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Site Information
LOCATION.--Lat 43°05'34.6", long
77°40'51.0" referenced to North American Datum of
1983, Monroe County, NY, Hydrologic Unit 04130003, on left
bank on downstream side of Ballantyne Bridge on
State Highway 252, 1.6 mi west of Mortimer, 3.0 mi upstream
from Erie (Barge) Canal, and 5.1 mi southwest of
Brighton.
DRAINAGE AREA.--2,210 mi².
PERIOD OF RECORD.--October 1973 to March 2021 (gage heights only). March 2021 to current year.
REVISIONS HISTORY.--WDR NY-82-3: Drainage area.
GAGE.--Water-stage recorder and, since March 2021, acoustic velocity meter and crest-stage gage. Datum of gage is 500.00 ft above NGVD of 1929 and 499.33 ft above NAVD of 1988. Prior to Mar. 18, 2021, at site 570 ft upstream at same datum.
REMARKS.--River regulated by operation of Erie (Barge) Canal, downstream powerplants, and at high stages by Mount Morris Lake (station 04224000). Water Years 2021-23: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 12,200 ft³/s, Oct. 30, 2021, gage height, 17.09 ft; maximum gage height, 20.57 ft, Jan. 10, 1998, site then in use; minimum daily discharge, 178 ft³/s, Aug. 15, 2022; minimum gage height recorded, 8.20 ft, Nov. 9, 1979, but may have been lower as a result of extreme regulation.
DRAINAGE AREA.--2,210 mi².
PERIOD OF RECORD.--October 1973 to March 2021 (gage heights only). March 2021 to current year.
REVISIONS HISTORY.--WDR NY-82-3: Drainage area.
GAGE.--Water-stage recorder and, since March 2021, acoustic velocity meter and crest-stage gage. Datum of gage is 500.00 ft above NGVD of 1929 and 499.33 ft above NAVD of 1988. Prior to Mar. 18, 2021, at site 570 ft upstream at same datum.
REMARKS.--River regulated by operation of Erie (Barge) Canal, downstream powerplants, and at high stages by Mount Morris Lake (station 04224000). Water Years 2021-23: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 12,200 ft³/s, Oct. 30, 2021, gage height, 17.09 ft; maximum gage height, 20.57 ft, Jan. 10, 1998, site then in use; minimum daily discharge, 178 ft³/s, Aug. 15, 2022; minimum gage height recorded, 8.20 ft, Nov. 9, 1979, but may have been lower as a result of extreme regulation.
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