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Water-Year Summary for Site 01427510

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
01427510 DELAWARE RIVER AT CALLICOON, NY
LOCATION - Lat 41°45'24.3", long 75°03'26.7" referenced to North American Datum of 1983, Wayne County, PA, Hydrologic Unit 02040101, on right bank 0.5 mi downstream from Callicoon Creek, 0.5 mi downstream from Interstate Bridge 7, and 0.8 mi southeast of Callicoon.
DRAINAGE AREA - 1,820 mi².
REVISIONS HISTORY - WDR NY-82-1: Drainage area. WDR NY-86-1: 1975-84 (M). WDR NY-04-1: 2003.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1975 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 734.88 ft above NGVD of 1929 and 734.33 ft above NAVD of 1988 (VERTCON).
REMARKS - Entire flow from 371 mi² of drainage area controlled by Pepacton Reservoir (station 01416900), and entire flow from 454 mi² of drainage area controlled by Cannonsville Reservoir (station 01424997). Part of flow from these reservoirs diverted for New York City municipal supply. Remainder of flow (except for conservation releases and spill) impounded for release during periods of low flow in the lower Delaware River basin, as directed by the Delaware River Master.
Water Years 2014-17: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 144,000 ft³/s, June 28, 2006, gage height, 20.38 ft; minimum discharge, 306 ft³/s, Sept. 24, 25, 1997; minimum gage height, 2.20 ft, Sept. 13, 1977, Aug. 23, 1985.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: June 2012 to March 2014, December 2014 to current year. WATER TEMPERATURE: June 1975 to current year.
INSTRUMENTATION - Water-temperature and specific-conductance satellite and telephone telemeter provides 15-minute-interval readings. Prior to May 1989, water-temperature recorder provided one-hour-interval readings.
REMARKS - Temperature readings prior to Oct. 1, 2007, rounded to the nearest 0.5 °C. Water temperature is affected by release of water from upstream reservoirs. Interruption of record was due to malfunction of recording instrument. Specific conductance records considered poor in water years 2015-17.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 223 uS/cm at 25 °C, Dec. 17, 2016; minimum, 34 uS/cm at 25 °C, June 28, 2013. WATER TEMPERATURE: Prior to Oct. 1, 2007--Maximum (water years 1976-2007), 30.5 °C, July 12, 1987; minimum, 0.0 °C on many days during winter periods. WATER TEMPERATURE: After Oct. 1, 2007--Maximum, 30.4 °C, July 7, 2010; minimum, -0.3 °C, Dec. 2, 2007.