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USGS 01379000 Passaic River near Millington NJ


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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.


LOCATION.--Lat 40°40'48", long 74°31'44" referenced to North American Datum of 1983, Bernards Township, Somerset County, NJ, Hydrologic Unit 02030103, on right bank 200 ft downstream from Davis Bridge on Maple Avenue (County Route 657), 0.7 mi northwest of Millington, and 1.8 mi downstream from Black Brook.
DRAINAGE AREA.--55.4 mi2.
PERIOD OF RECORD.--November 1903 to June 1906 (published as "at Millington"), October 1921 to current year. Monthly discharges only for some periods published in WSP 1302.
REVISED RECORDS.--WSP 781: Drainage area. WSP 1552: 1905(M). WDR NJ-96-1: 1936 (M), 1949 (M), 1971 (M), 1975 (M), 1979 (M), 1984(M).
GAGE.--Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 215.60 ft above NGVD of 1929 (levels from New Jersey Geological Survey benchmark). Nov. 25, 1903 to July 15, 1906, non-recording gage at bridge 0.8 mi downstream at different datum. Nov. 10, 1921 to Sept. 1, 1923, non-recording gage at site 200 ft downstream at present datum. Oct. 31, 1923 to July 3, 1925, non-recording gage and concrete control at present site and datum.
REMARKS.--Records good, except for estimated discharges, which are fair. Diversion from Osborn Pond by Commonwealth Water Company, Bernards Division, was discontinued in April 1979 and the installation dismantled.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,290 ft3/s, Oct 20, 1996, gage height, 9.89 ft; maximum gage height, 10.26 ft, Aug 29, 2011; minimum discharge, 0.20 ft3/s, Sep 12, 1966.
PERIOD OF RECORD1.--Water years 1923-25, 1959-98, 2004, 2007.
REMARKS1.--Cooperative Network Site Descriptor: Trace Element Assessment (303d) special study site.
COOPERATION1.--Physical measurements and samples for laboratory analyses were provided by personnel of the NJ Department of Environmental Protection.
1 Water-Quality Records

Peak Flood Chart

Gage Photo

National Weather Service flood stage for this gage is 8.0 ft.

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

During the fall months, the apparent streamflow at this station may be erroneously high due to the accumlation of leaves.

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  2016-10-23
00065 Gage height 2007-10-01  2016-10-23

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Instantaneous-data availability statement

Discharge, cubic feet per second

Most recent instantaneous value: 13   10-23-2016   15:30 EDT
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Daily discharge, cubic feet per second -- statistics for Oct 23 based on 96 years of record more
Most Recent
Value Oct 23
Median Mean 75th
1.5 11 13 26 65 68 1020

Gage height, feet

Most recent instantaneous value: 4.52   10-23-2016   15:30 EDT
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