LOCATION.--Lat 42°22'37", long
74°24'47" referenced to North American Datum of 1983,
Schoharie County, NY, Hydrologic Unit 02020005, on right bank
50 ft south of County Highway 3, 0.5 mi east of West
Conesville, 1.2 mi upstream from mouth, and 2.2 mi southeast of
Gilboa.
DRAINAGE AREA.--32.4 mi².
PERIOD OF RECORD.--July 1986 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 1,254.95 ft above NGVD of 1929 and 1,254.63 ft above
NAVD of 1988. Prior to Oct. 1, 2011, at datum 1.00 ft
higher.
REMARKS.--Water Years 2014-23: Records fair except those
for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 6,590
ft³/s, Aug. 28, 2011, gage height, 12.92 ft, present datum,
from rating curve extended above 1,600 ft³/s on basis of
slope-area measurement at gage height 10.76 ft, present datum;
minimum discharge, 1.0 ft³/s, Aug. 28, 29, 30, 31, Sept. 1, 2,
1993, Sept. 6, 7, 8, 1995; minimum gage height, 0.80 ft, Sept.
15, 16, 17, 18, 2016.