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Water-Year Summary for Site 01440000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00020 Temperature, air(Mean,Max.,Min.)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

Water year 2023: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 41°06'22", long 74°57'09" referenced to North American Datum of 1983, Walpack Township, Sussex County, NJ, Hydrologic Unit 02040104, on right bank, 1.0 mi upstream from Flatbrookville, 1.5 mi upstream from mouth, and 5.3 mi southwest of Walpack Center.
REVISIONS HISTORY - WSP 1432: 1924(M), 1928(M), 1929, 1930(M), 1932, 1933(M), 1936, 1938(M), 1939-40, 1949(M), 1952-53(M). WDR NJ-80-2: 1970(M). WDR NJ-82-2: Drainage area.
PERIOD OF RECORD - Continuous-record discharge station, July 1923 to current year.
GAGE - Water-stage and precipitation recorder with telemetry and crest-stage gage. Concrete control since Aug 19, 1929. Datum of gage is 347.73 ft above NGVD of 1929. Prior to Jan 6, 1926, non-recording gage at same site and datum.
REMARKS - Records fair, except for estimated discharges, which are poor. Flow occasionally regulated by ponds above station. Discharges above 4,500 ft³/s from rating curve extension on basis of slope-area measurement of peak flow at gage height 12.58 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 10,200 ft³/s, gage height, 12.94 ft, from high-water mark in gage house, Aug 28, 2011, from rating curve extended above 4,500 ft³/s on basis of slope-area measurement of peak flow at gage height 12.58 ft; minimum discharge, 3.6 ft³/s, Sep 25, 1964.
PERIOD OF RECORD - Water years 1923-24, 1956-57, 1959-80, 1993, 1995, 1997 to current year.
REMARKS - Discrete water-quality data were collected as part of the New Jersey Ambient Surface-Water-Quality Monitoring Network.