USGS Water-Year Summary 2019
01389802 PASSAIC RIVER AT PASSAIC (GREAT) FALLS, AT PATERSON, NJ
LOCATION - Lat 40°54'57", long 74°10'54" referenced to North American Datum of 1983, Paterson City, Passaic County, NJ, Hydrologic Unit 02030103, on right bank 80 ft upstream of Society for Establishing Useful Manufactures (S.U.M.) dam, 300 ft upstream from Passaic Falls (Great Falls) in Paterson, and 1.5 mi downstream of Peckman River.
DRAINAGE AREA - 779 mi².
PERIOD OF RECORD - Miscellaneous measurements, water years 1987-89, 1991-95, 1997-99, 2001-02, and 2005 to current year. Annual maximum, water years 2009 to current year.
GAGE - Water-stage recorder with telemetry. Datum of gage is 1.25 below NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 122.54 ft, Aug 30, 2011.