PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 42°27'12.7", long
78°56'29.6" referenced to North American Datum of
1983, Cattaraugus County, NY, Hydrologic Unit 04120102, on left
bank 0.2 mi upstream from Hill Street bridge in Gowanda, 0.4 mi
upstream from weir, and 1.4 mi upstream from mouth.
DRAINAGE AREA.--6.69 mi².
PERIOD OF RECORD.--June 2021 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 785.39 ft above NAVD of 1988.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Aug. 10, 2009 reached a discharge of 7,600 ft³/s, by computation of peak flow by slope-area method. Flood of Aug. 1, 1986 reached a discharge of 3,100 ft³/s, by computation of peak flow by slope-area method.
DRAINAGE AREA.--6.69 mi².
PERIOD OF RECORD.--June 2021 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 785.39 ft above NAVD of 1988.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Aug. 10, 2009 reached a discharge of 7,600 ft³/s, by computation of peak flow by slope-area method. Flood of Aug. 1, 1986 reached a discharge of 3,100 ft³/s, by computation of peak flow by slope-area method.
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