LOCATION.--Lat 42°16'49", long
74°54'26" referenced to North American Datum of 1983,
Delaware County, NY, Hydrologic Unit 02040101, on left bank
along County Highway 18, 0.6 mi upstream from State Highway 28
bridge in Delhi, and 1.9 mi upstream from Little Delaware
River.
DRAINAGE AREA.--134 mi².
PERIOD OF RECORD.--February 1937 to September 1970,
annual maximum only--1972-74, 1996, maximum only--November
1996, December 1996 to current year. Prior to November 1996,
published as West Branch Delaware River at Delhi (station
01422000).
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 1,351.31 ft above NGVD of 1929 and 1,350.34 ft above
NAVD of 1988. Prior to October 1996, at site 0.9 mi downstream
at datum 1,345.29 ft above NGVD of 1929.
REMARKS.--Water Years 2014-22: Records good except those
for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, about
13,000 ft³/s, Jan. 19, 1996, gage height, 9.8 ft, from
floodmark, from rating curve extended above 4,800 ft³/s on
basis of velocity-area studies, at site and datum then in use;
maximum gage height, 12.53 ft, Aug. 28, 2011; minimum
discharge, 2.6 ft³/s, Sept. 25, 1964; minimum gage height
recorded since December 1996, 1.70 ft, Sept. 22, 23, 2019, but
may have been less during period of estimated record Sept.
21-24, 2001.
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