USGS Water-Year Summary 2020
01395000 RAHWAY RIVER AT RAHWAY, NJ
LOCATION - Lat 40°37'08", long 74°17'00" referenced to North American Datum of 1983, Rahway City, Union County, NJ, Hydrologic Unit 02030104, on left bank, 100 ft upstream from bridge on St. Georges Avenue in Rahway, and 0.9 mi upstream from Robinsons Branch, and 1.7 mi southwest of Linden.
DRAINAGE AREA - 40.9 mi².
- WSP 781: Drainage area. WSP 1552: 1922-23(M), 1924, 1930-31(M), 1937. WDR NJ-79-1: 1978.
PERIOD OF RECORD - Continuous-record discharge station, October 1921 to current year. Gage heights and discharge measurements only, July 1908 to April 1915.
GAGE - Water-stage recorder with telemetry and concrete control. Datum of gage is 8.77 ft above NGVD of 1929. Prior to Aug 25, 1934, non-recording gage at site 40 ft downstream from Church Street and 1,500 ft downstream from present site at datum 2.77 ft lower.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,250 ft³/s, Aug 28, 2011, gage height, 12.10 ft, from high-water mark inside gage house; minimum discharge, 0.0 ft³/s, many days, an undetermined amount of negative flow may have occurred during tidal surge on Oct 29-30, 2012.
PERIOD OF RECORD - Water years 1923-24, 1952, 1962, 1967-70, 1979 to current year.