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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
01393890 EAST BRANCH RAHWAY RIVER AT MAPLEWOOD, NJ
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.
REVISIONS HISTORY - WDR-US-08: 1971(M), 1998(M), 1999(M), 2000(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Continuous-record gage-height station with annual maximum discharge, water years 1971, 1998 to current year. Occasional low-flow measurements, water years 2000 to 2006.
GAGE - Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 114.60 ft above NGVD of 1929.
REMARKS - Discharges above 700 ft³/s from rating curve extension on basis of computation of peak flow through culvert and over road. Annual peak data can be obtained by selecting Peak streamflow from the 'Available data for this site' drop-down menu above or by using this link.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,680 ft³/s, Sep 01, 2021, gage height, 10.32 ft.
