SURFACE-WATER RECORDS
LOCATION.--Lat 40°52'19", long 74°13'20" referenced to North American Datum of 1983, Little Falls Township, Passaic County, NJ, Hydrologic Unit 02030103, on right bank, 30 ft upstream of bridge on Francisco Avenue (Lindsley Road) in Little Falls, 1.2 mi north of Cedar Grove, 1.2 mi west of Great Notch, and 1.9 mi upstream of mouth.
DRAINAGE AREA.--7.82 mi².
PERIOD OF RECORD.--Continuous-record discharge station, August 2007 to current year.
REVISED RECORDS.--WDR US-2010: 2008(P), 2009(P).
GAGE.--Water-stage and precipitation recorder with telemetry and crest-stage gage. Datum of gage is 165.69 ft above NAVD of 1988.
REMARKS.--Records fair, except for estimated discharges, which are poor. Diurnal fluctuations at low flow due to patterns of sewage effluent entering river upstream. Discharges above 1650 ft³/s from rating curve extension on basis of logarithmic extrapolation.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,010 ft³/s, from rating extended above 1650 ft³/s on basis of logarithmic extrapolation, Aug 28, 2011, gage height, 9.16 ft; minimum discharge, 2.1 ft³/s, Oct 17, 2007.

Peak Flood Chart

Rain gage data is available from this location at this link.

Temporary flucuations due to Cedar Grove Wastewater Treatment plant just upstream of the gage.