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ALL DATA ARE AT LOCAL TIME


USGS 01396660 Mulhockaway Creek at Van Syckel NJ

PROVISIONAL DATA SUBJECT TO REVISION

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During winter months, cold and ice may result in inaccurate real-time gage height and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.

 


SURFACE-WATER RECORDS

LOCATION.--Lat 40°38'51", long 74°58'08" referenced to North American Datum of 1983, Union Township, Hunterdon County, NJ, Hydrologic Unit 02030105, on left bank downstream side of bridge on County Route 635 (Jutland Road), 0.2 mi south of Van Syckel, 0.8 mi north of Perryville, and 0.3 mi upstream from Spruce Run Reservoir.
DRAINAGE AREA.--11.8 mi2.
PERIOD OF RECORD.--Occasional low-flow measurements, water years 1973-77. July 1977 to current year.
REVISED RECORDS.--WDR NJ-89-1: 1978(P), 1979(P), 1980(P), 1981(P), 1982(P).
GAGE.--Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 280.25 ft above NGVD of 1929.
REMARKS.--Records fair, except for estimated discharges, which are poor. Discharges above 2,700 ft3/s from rating curve extension on basis of logarithmic extrapolation.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 3,590 ft3/s, from rating curve extended above 2,700 ft3/s on basis of logarithmic extrapolation, Sep 20, 1989, gage height, 7.41 ft; minimum discharge, 1.0 ft3/s, Aug 2, 1999.

WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1976 to current year.
PERIOD OF DAILY RECORD.--DISSOLVED OXYGEN: July 2003.
DISSOLVED OXYGEN, PERCENT OF SATURATION: July 2003. PH: July 2003. SPECIFIC CONDUCTANCE: July 2003. WATER TEMPERATURE: April 1997 - October 1998, July 2003.
REMARKS.--Discrete water-quality data were collected as part of the New Jersey Ambient Surface-Water-Quality Monitoring Network.

Peak Flood Chart

Gage Photo

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-01  2016-12-06
00065 Gage height 2007-10-01  2016-12-06

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


Discharge, cubic feet per second

Most recent instantaneous value: 6.0   12-06-2016   10:10 EST
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Daily discharge, cubic feet per second -- statistics for Dec 6 based on 39 years of record more
Min
(2002)
Most Recent
Instantaneous
Value Dec 6
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1997)
2.9 6.0 9.6 14 21 24 150


Gage height, feet

Most recent instantaneous value: 0.69   12-06-2016   10:10 EST
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