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°22'25", long 74°37'06"
referenced to North American Datum of 1983, South Brunswick Twp,
Middlesex County, NJ, Hydrologic Unit 02030105, at canal lock in
Kingston, near dam at Carnegie Lake, 160 ft upstream from bridge on
State Route 27.
PERIOD OF RECORD.--
Continuous-record discharge station, water
years 1961-91. Miscellaneous measurements, water years 1997, 2002-03,
2005-07, 2009, 2011. Continuous-record gage-height station, water years
2016 to current, upstream of weir and water years 2018 to current,
downstream of weir.
Water-stage recorders with telemetry upstream and
downstream of concrete weir. Datum of gage is at NAVD 1988. Prior to
April 15, 2019, upstream of weir published as gage height at datum 40
ft above NGVD 1929. To convert from NAVD 1988 to NGVD 1929 add 0.98
The canal diverts water from the Delaware River at
Raven Rock and discharges into Raritan River at New Brunswick. Some
water may be released to the Millstone River 500 ft and 2.3 mi above