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USGS 01379500 Passaic River near Chatham 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°43'34", long 74°23'23" referenced to North American Datum of 1983, Chatham Borough, Morris County, NJ, Hydrologic Unit 02030103, on left bank 150 ft downstream from bridge on Stanley Avenue in Chatham, 1.5 mi northwest of Summit Borough Hall, and 3.0 mi upstream from Canoe Brook.
DRAINAGE AREA.--100 mi2.
PERIOD OF RECORD.--February 1903 to December 1911, October 1937 to current year. Monthly discharge only for some periods, published in WSP 1302.
REVISED RECORDS.--WDR NJ-86-1: 1984 (M), WDR NJ-04-1: 2003 (M).
GAGE.--Water-stage recorder with telemetry. Concrete control since Sept. 19, 1938. Datum of gage is 193.51 ft above NGVD of 1929. Prior to Dec 31, 1911, non-recording gage at bridge 150 ft upstream at different datum.
REMARKS.--Records good, except for estimated discharges, which are fair. Diversion from Osborn Pond by Commonwealth Water Company, Bernards Division, during water years 1903-79. Flow includes sewage effluent from several treatment plants upstream of gage.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 3,380 ft3/s, Aug 2, 1973, gage height, 9.36 ft, from floodmark; minimum discharge, 2.0 ft3/s, Sep 11, 1944, since 1937.
PERIOD OF RECORD1.--Water years 1960-97, 2001, 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 6.0 ft.

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

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  2016-10-24
00065 Gage height 2007-10-01  2016-10-24

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Discharge, cubic feet per second

Most recent instantaneous value: 16   10-24-2016   02:15 EDT
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Daily discharge, cubic feet per second -- statistics for Oct 24 based on 87 years of record more
Most Recent
Value Oct 24
Median Mean 75th
5.3 16 21 41 120 149 1550

Gage height, feet

Most recent instantaneous value: 3.17   10-24-2016   02:15 EDT
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