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**NOTICE: The New Jersey Water Science Center has transitioned to a new data management software package. While you may not have noticed this transition, some sites may have problems or delays in being updated. We are actively monitoring these conditions and are resolving them as quickly as possible. See the Dec 8 news entry for more information at: https://help.waterdata.usgs.gov/news


USGS 01407290 Big Brook near Marlboro 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°19'11", long 74°12'51" referenced to North American Datum of 1983, Colts Neck Township, Monmouth County, NJ, Hydrologic Unit 02030104, on downstream left bank on bridge on Hillsdale Road, 1.7 mi east of Marlboro, and 3.6 mi upstream from mouth.
DRAINAGE AREA.--6.42 mi2.
PERIOD OF RECORD.--Annual maximum gage, October 1980 to September 2003. Continuous-record discharge station, August 2003 to current year.
GAGE.--Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 80 ft above NGDV 1929 (from topographic map). Prior to Aug 12, 2003 at datum 10.00 ft higher. Online peaks have been adjusted to current datum.
REMARKS.--Records fair, except for estimated discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,370 ft3/s, Sep 20, 1989, gage height, 20.16 ft, from crest-stage gage, adjusted to current datum; minimum discharge, 1.8 ft3/s, Aug 29, 2010.

Peak Flood Chart

Gage Photo

National Weather Service flood stage for this gage is 18 ft.

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 2 Available Parameters for this site
00060 Discharge 2003-08-13  2017-11-22
00065 Gage height 2013-04-11  2017-11-22

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Instantaneous-data availability statement

Discharge, cubic feet per second

Most recent instantaneous value: 4.83 11-22-2017   02:15 EST
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Daily discharge, cubic feet per second -- statistics for Nov 22 based on 13 years of record more
Most Recent
Value Nov 22
Median 75th
Mean Max
4.61 4.83 5.1 7.1 13 18 121

Gage height, feet

Most recent instantaneous value: 10.35 11-22-2017   02:15 EST
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