USGS Water-Year Summary 2024
01362230 DIVERSION FROM SCHOHARIE RESERVOIR, NY
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.
REVISIONS HISTORY - WDR NY-04-1: 1998-99, 2001, 2003.
SURFACE-WATER RECORDS
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 Records for October 1950 to September 1960 are unpublished and available in files of the Geological Survey.
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.
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.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: July 1997 to current year.
INSTRUMENTATION - Water-temperature satellite telemeter provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD - 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.