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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.

USGS 01398500 North Branch Raritan River near Far Hills NJ


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Estimated flood stage is 5 feet.

Rain gage data is available from this location at this link.

gage photoLOCATION. --Lat 40°42'30", long 74°38'10" referenced to North American Datum of 1983, Far Hills Borough, Somerset County, NJ, Hydrologic Unit 02030105, on left bank 75 ft upstream from Ravine Lake Dam, 1.3 mi southeast of Peapack, 1.6 mi north of Far Hills, and 2.3 mi upstream from Peapack Brook.
DRAINAGE AREA. --26.2 mi2.
PERIOD OF RECORD. --October 1921 to September 1975, October 1977 to current year. Operated as crest-stage gage, water years 1976-77. Monthly discharge only for some periods, published in WSP 1302.
GAGE. --Water-stage recorder and crest-stage gage above masonry dam. Datum of gage is 224.49 ft above NGVD of 1929 (New Jersey Geological Survey benchmark). Prior to June 18, 1925, nonrecording gage in stilling box at left end of dam at same datum. During the fall months, the apparent streamflow at this station may be erroneously high due to the accumulation of leaves.
COOPERATION. --Funding for this gage is provided by Somerset County New Jersey and the U.S. Geological Survey.

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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  2016-10-01
00065 Gage height 2007-10-01  2016-10-01

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Discharge, cubic feet per second

Most recent instantaneous value: 12   10-01-2016   16:45 EDT
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Daily discharge, cubic feet per second -- statistics for Oct 1 based on 93 years of record more
Most Recent
Value Oct 1
Median 75th
Mean Max
0.20 9.6 12 15 27 30 466

Gage height, feet

Most recent instantaneous value: 1.98   10-01-2016   16:45 EDT
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