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Estimated flood stage for this gage is 6 feet.
LOCATION. --Lat 40°44'05", long 74°16'14" referenced to North American Datum of 1983, Maplewood Township, Essex County, NJ, Hydrologic Unit 02030104, on downstream right wingwall of bridge on Jefferson Avenue in Maplewood, 1,100 ft west of Fielding School, and 2.5 mi upstream of confluence of West Branch Rahway River and East Branch Rahway River.
DRAINAGE AREA. --5.11 mi2.
PERIOD OF RECORD. --Annual maximum, water years 1998 to current year. Occasional low-flow measurements, water years 2000 to 2006.
GAGE. --Water-stage recorder. Datum of gage is 114.60 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD. --Maximum discharge, 3,470 ft3/s, Sep 16, 1999, gage height, 10.08 ft.
COOPERATION. --Funding for this gage is provided by Essex County New Jersey, and the U.S. Geological SocietSurvey.