LOCATION.--Lat 41°45'38.0", long
75°02'54.2" referenced to North American Datum of
1983, Sullivan County, NY, Hydrologic Unit 02040101, on right
bank 0.7 mi southeast of Callicoon, 0.9 mi upstream from mouth,
and 1.0 mi southwest of Hortonville.
DRAINAGE AREA.--110 mi².
PERIOD OF RECORD.--October 1940 to September
1982, October 2018 to current year. Annual maximum
only--1987-99. Discharge measurements only--2000-11, 2013-15.
Gage heights only--September 2001 to September 2017
(unpublished) and October 2017 to September 2018.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 759.84 ft above NGVD of 1929 and 759.30 ft above
NAVD of 1988.
REMARKS.--Water Years 2019-20: Records good except those
for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge,
16,000 ft³/s, Aug. 17, 1947, gage height, 9.68 ft, from rating
curve extended above 5,100 ft³/s on basis of slope-area
measurement of peak flow; minimum, 4.0 ft³/s, July 26, 27,
1965.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE:
May 2019 to current year.
INSTRUMENTATION1.--Water-temperature recorder
provides 15-minute-interval readings.
REMARKS1.--Interruption of record was due to
malfunction of recording instrument.
EXTREMES FOR PERIOD OF DAILY
RECORD1.--Maximum, 28.3 °C, July 27, 2020;
minimum, 0.0 °C on many days during the winter period.
1 Water-Quality Records
We're replacing this page with a Next Generation Monitoring Location Page.
Site Information
WaterNow – get the latest
gage data from your mobile phone or email.
Station image
