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.

 

SURFACE-WATER RECORDS
LOCATION.--Lat 40°53'04", long 74°14'04" referenced to North American Datum of 1983, Wayne Township, Passaic County, NJ, Hydrologic Unit 02030103, on left bank at Little Falls, 100 ft upstream of Beatties Dam, 600 ft upstream from bridge on Union Boulevard, and 1.5 mi upstream from Peckman River.
DRAINAGE AREA.--762 mi².
PERIOD OF RECORD.--Miscellaneous measurements, water years 1947-53, 1956, 1991-99, 2002, 2005 to current year. Annual maximum, water years 1984, 1991 to 2009.  Continuous-record gage-height station 2010 to current year.
GAGE.--Water-stage recorder with telemetry. Datum of gage is 150.00 ft above NGVD of 1929.
REMARKS.--Measured discharge is flow over dam only; does not include flow to Passaic Valley Water Commission intake canal. 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 gage height, 14.06 ft, Aug 30, 2011.

Peak Flood Chart

National Weather Service flood stage for this gage is 11.3 ft.