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:
Lat 40°37'10", long 74°46'25"
referenced to North American Datum of 1983, Readington Township,
Hunterdon County, NJ, Hydrologic Unit 02030105, on right bank 1,700 ft
upstream from bridge on U.S. Route 22, 0.4 mi northeast of Whitehouse
Station, and 0.8 mi upstream from mouth.
PERIOD OF RECORD.--
March 1977 to current year. Prior to October
1986, published as South Branch Rockaway Creek at Whitehouse (station
WDR NJ-88-1: 1987. WDR NJ-90-1: 1988. WDR
US-2010-1: drainage area.
Water-stage recorder with telemetry. Datum of gage is
121.5 ft above NGVD of 1929. Prior to October 1986 at site 1,700 ft
downstream at datum 8.07 ft lower.
Records fair, except for estimated discharges, which
are poor. Occasional releases from Round Valley Reservoir enter stream
directly upstream from station. Occasional regulation probably due to
gate operations at Cushetunk Lake 1,000 ft upstream.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 2,620
/s, Sep 16, 1999, gage height, 10.68 ft; minimum
discharge, 0.00 ft3
/s, many days.