LOCATION.--Lat 42°09'03", long
74°36'05" referenced to North American Datum of 1983,
Delaware County, NY, Hydrologic Unit 02040102, on left bank 60
ft upstream from private bridge, 0.7 mi upstream from mouth,
1.0 mi east of Arkville, and 2.4 mi east of
Margaretville.
DRAINAGE AREA.--46.7 mi².
PERIOD OF RECORD.--October 1997 to current year.
REVISIONS HISTORY.--WDR NY-99-1: 1998 (P).
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 1,370.79 ft above NAVD of 1988.
REMARKS.--Diurnal fluctuation at medium and low flow
from unknown source upstream from station.
Water Years 2014-23: Records fair except those for estimated
daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge,
13,800 ft³/s, Aug. 28, 2011, gage height, 16.26 ft, outside
gage height was 15.06 ft, from crest-stage gage, from rating
curve extended above 1,900 ft³/s on basis of runoff comparison
of peak flow from contracted-opening measurement at site 2.2 mi
upstream; minimum discharge, 3.02 ft³/s, Aug. 29, 2022, gage
height, 3.50 ft; minimum gage height, 3.25 ft, Sept. 14, 24,
2005.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge,
7,600 ft³/s, Jan. 19, 1996, on basis of contracted-opening
measurement of peak flow at site 0.2 mi downstream, drainage
area, 47.0 mi².