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USGS 01434000 DELAWARE RIVER AT PORT JERVIS NY

PROVISIONAL DATA SUBJECT TO REVISION

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This station is operated in cooperation with:
   Matamoris PA Emergency Management
   National Weather Service
   Office of Delaware River Master
   U.S. Geological Survey


LOCATION.--Lat 41°22'14", long 74°41'51" referenced to North American Datum of 1983, Pike County, PA, Hydrologic Unit 02040104, on right bank 250 ft downstream from bridge on U.S. Highways 6 and 209 between Port Jervis, NY and Matamoras, PA, 1.2 mi upstream from Neversink River, and 6.5 mi downstream from Mongaup River.
DRAINAGE AREA.--3,070 mi2.
PERIOD OF RECORD.--October 1904 to current year.
REVISED RECORDS.--WSP 1031: 1905-36. WDR NY-71-1: 1970. WDR NY-82-1: Drainage area. WDR NY-86-1: 1979-80. WDR NY-04-1: 2003.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 415.35 ft above NGVD of 1929. Prior to Aug. 14, 1928, nonrecording gage at bridge 250 ft upstream at same datum; operated by U.S. Weather Service prior to June 20, 1914.
REMARKS.--Records good except those for estimated daily discharges, which are poor. Flow regulated by Prompton (station 01428900) and General Edgar Jadwin (station 01429400) reservoirs, Lake Wallenpaupack (station 01431700), and Toronto (station 01433100), Cliff Lake (station 01433200), and Swinging Bridge (station 01433000) reservoirs and smaller reservoirs. Large diurnal fluctuations at medium and low flows caused by powerplants on tributary streams. Subsequent to September 1954, entire flow from 371 mi2 of drainage area controlled by Pepacton Reservoir (station 01416900), and subsequent to October 1963, 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. Satellite and telephone gage-height telemeter and National Weather Service telephone gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge prior to current degree of regulation, 233,000 ft3/s, Aug. 19, 1955, gage height, 23.91 ft, from floodmarks in gage house, outside gage height was 24.16 ft, from floodmark, from rating curve extended above 130,000 ft3/s, on basis of slope-area measurement of peak flow; maximum discharge since current degree of regulation, 189,000 ft3/s, June 28, 2006, gage height, 21.47 ft, outside gage height was 22.16 ft, from crest-stage gage; maximum gage height, 26.6 ft, Feb. 12, 1981 (ice jam), from floodmarks; minimum observed discharge, 175 ft3/s, Sept. 23, 1908, gage height, 0.6 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--The U.S. Weather Bureau reported a discharge of 205,000 ft3/s, Oct. 10, 1903, gage height, 23.1 ft, from rating curve extended above 70,000 ft3/s, by velocity-area studies; maximum gage height, 25.5 ft, Mar. 8, 1904 (ice jam).
PERIOD OF DAILY RECORD1.--
SPECIFIC CONDUCTANCE: January to September 1973 WATER TEMPERATURE: February 1957 to September 1960, January to September 1973, June 1974 to January 1994, October 1998 to current year. SUSPENDED-SEDIMENT DISCHARGE: February 1957 to September 1960, March 1970 to June 1976.
INSTRUMENTATION1.--Thermocouple to data logger; recorded every 15 minutes.
EXTREMES FOR PERIOD OF DAILY RECORD1.--
WATER TEMPERATURE: Maximum (water years 1957-59, 1973-81, 1983-84, 1988-93, 1999-2000), 30.5°C, July 5, 1999; minimum (water years 1958-60, 1973, 1975-93, 1999),0.0°C on many days during winter periods, except 1984. SUSPENDED-SEDIMENT CONCENTRATION (water years 1957-60, 1970-76): Maximum daily mean, 760 mg/L, June 29, 1973; minimum daily mean, less than 1 mg/L on many days. SUSPENDED-SEDIMENT DISCHARGE (water years 1957-60, 1970-76): Maximum daily, 187,000 tons, June 29, 1973; minimum daily, 1 ton, Aug. 29, 1957.
1 Water-Quality Records
Derived from NY Annual Water-Data Report 2013

Peak Flow and Stage Information
This station managed by the NY Water Science Center, Troy.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00065 Gage height 2014-06-26  2014-10-24
00060 Discharge 2007-10-01  2014-10-24

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Summary of all available data for this site
Instantaneous-data availability statement


Gage height, feet

Most recent instantaneous value: 2.77   10-24-2014  18:30 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 1,930   10-24-2014  18:30 EST
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Daily discharge, cubic feet per second -- statistics for Oct 24 based on 50 years of record more
Min
(1965)
25th
percen-
tile
Most Recent
Instantaneous
Value Oct 24
Median Mean 75th
percen-
tile
Max
(1971)
913 1640 1930 2180 3970 5380 17700