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
Funding for this site is provided by:
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
PERIOD OF RECORD.--
Occasional low-flow measurements, water years
1973-77. July 1977 to current year.
WDR NJ-89-1: 1978(P), 1979(P), 1980(P),
Water-stage recorder with telemetry and crest-stage gage.
Datum of gage is 280.25 ft above NGVD of 1929.
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
/s, from rating curve extended above 2,700
/s on basis of logarithmic extrapolation, Sep 20, 1989,
gage height, 7.41 ft; minimum discharge, 1.0 ft3
/s, Aug 2,
PERIOD OF RECORD1.--
Water years 1976 to current
PERIOD OF DAILY RECORD1.--
DISSOLVED OXYGEN: July
DISSOLVED OXYGEN, PERCENT OF SATURATION: July 2003. PH: July 2003.
SPECIFIC CONDUCTANCE: July 2003. WATER TEMPERATURE: April 1997 -
October 1998, July 2003.
Discrete water-quality data were collected
as part of the
New Jersey Ambient Surface-Water-Quality Monitoring Network
1 Water-Quality Records