LOCATION.--Lat 42°06'52.2", long
74°21'48.8" referenced to North American Datum of
1983, Ulster County, NY, Hydrologic Unit 02020006, on left bank
at outlet of Shandaken tunnel on Esopus Creek, 70 ft upstream
from State Highway 28 bridge, and 3.3 mi northwest of
Phoenicia.
PERIOD OF RECORD.--February 1924 to September 1950 and
October 1960 to September 1996 (monthly and yearly discharge
only), December 1996 to current year. (Prior to October 1950,
published in WSP 1302, October 1960 to September 1970, in WSP
2102). Records for October 1950 to September 1960 are
unpublished and available in files of the Geological
Survey.
REVISIONS HISTORY.--WDR NY-04-1: 1998-99, 2001,
2003.
GAGE.--Water-stage recorder. Concrete control since May
8, 1998. Datum of gage is 965.7 ft above NGVD of 1929 (from
levels by New York State Department of Transportation) and
964.39 ft above NAVD of 1988.
REMARKS.--Flow completely regulated by Schoharie
Reservoir (station 01350100). Stage-discharge relation affected
by backwater during high flows along Esopus Creek. Records
prior to October 1996 provided by Department of Environmental
Protection, City of New York.
Water Years 2014-23: Records good except those for estimated
daily discharges and those below 5 ft³/s, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 947
ft³/s, Sept. 1, 2018, gage height, 5.53 ft; maximum gage
height, 10.85 ft, Aug. 28, 2011, affected by backwater; minimum
discharge, 0.04 ft³/s, Sept. 24, 2012; minimum gage height
since concrete control, 1.71 ft, Sept. 24, 2012, Dec. 21, 2019,
Jan. 22, 2020.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE:
July 1997 to current year.
INSTRUMENTATION1.--Water-temperature
satellite telemeter provides 15-minute-interval readings.
REMARKS1.--Temperature readings prior to Oct.
1, 2007, rounded to nearest 0.5 °C.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER
TEMPERATURE: Prior to Oct. 1, 2007--Maximum, 25.5 °C, Aug. 4,
5, 2006; minimum (water years 1998-99, 2002-07), 0.0 °C, Jan.
19, 1999, and may have also occurred during period of missing
record January 1999. WATER TEMPERATURE: After Oct. 1,
2007--Maximum recorded, 25.3 °C, Aug. 12, 2022, but may have
been higher during period of instrument malfunction in Aug.
2010; minimum, 0.3 °C, Mar. 5, 6, 12, 13, 27, 2015, Mar. 7, 10,
2019.
1 Water-Quality Records