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ALL DATA ARE AT LOCAL TIME



USGS 01400500 Raritan River at Manville NJ

PROVISIONAL DATA SUBJECT TO REVISION

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National Weather Service flood stage for this gage is 14.0 ft.

Forecasts for this gage are issued by the National Weather Service routinely year-round.
Forecast information is available here.


gage photo LOCATION.--Lat 40°33'20", long 74°34'58" referenced to North American Datum of 1983, Bridgewater Township, Somerset County, NJ, Hydrologic Unit 02030105, on left bank at downstream side of bridge on North Main Street (Finderne Avenue) at Manville, and 1.4 mi upstream from Millstone River.
DRAINAGE AREA.--490 mi2.
PERIOD OF RECORD.--June 1903 to March 1907 (published as "at Finderne"), August 1908 to April 1915 (gage heights only, published in WSP 521), August 1921 to current year. Monthly discharge only for some periods, published in WSP 1302.
GAGE.--Water-stage recorder. Datum of gage is 20.61 ft above NGVD of 1929. Prior to Aug 15, 1923, non-recording gage on downstream side of highway bridge at same site and datum. From Oct 1, 1952 to Sep 30, 1966, water-stage recorder at station at Bound Brook, above Calco Dam (station 01403000) used as auxiliary gage when stage was above 5.50 ft. On Oct 1, 1966, water-stage recorder at station at Bound Brook, used as auxiliary gage, was moved downstream to present site (station 01403060). Between Jun 9, 1978 and Jun 7, 1979, gage temporarily relocated at site 1.4 mi downstream, just upstream from Millstone River, because of reconstruction of highway bridge. Between Oct 1, 2006 and Sep 30, 2007, gage temporarily relocated at site 0.4 mi downstream, just upstream of an abandoned railroad bridge, because of reconstruction of highway bridge. Reservoir releases from Round Valley and Spruce Run Reservoirs are included in the flow at this gage.
COOPERATION.--Funding for this gage is provided by the New Jersey Water Supply Authority, the New Jersey Department of Environmental Protection, and the U.S. Geological Survey.

Boating Safety Tips

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 8 Available Parameters for this site
  
00060 Discharge 2008-03-10  2014-12-21
00065 Gage height 2008-03-09  2014-12-21
00010 Temperature, water 2008-04-15  2014-12-21
00400 pH 2008-04-15  2014-12-21
00095 Specific cond at 25C 2008-04-15  2014-12-21
00301 Diss oxygen,%saturtn 2008-04-15  2014-12-21
00300 Dissolved oxygen 2008-04-15  2014-12-21
63680 Turbidity, Form Neph 2008-04-15  2014-12-21

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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: 343   12-21-2014  19:15 EST
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Daily discharge, cubic feet per second -- statistics for Dec 21 based on 95 years of record more
Min
(1966)
Most Recent
Instantaneous
Value Dec 21
25th
percen-
tile
Median 75th
percen-
tile
Mean Max
(1952)
95 343 359 526 1010 1170 12600


Gage height, feet

Most recent instantaneous value: 4.32   12-21-2014  19:15 EST
Graph of  Gage height, feet

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