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
Funding for this site is provided by:
Lat 40°50'42", long 74°14'08"
referenced to North American Datum of 1983, Cedar Grove Township, Essex
County, NJ, Hydrologic Unit 02030103, on right downstream wingwall of
bridge on Ozone Avenue at Verona/Cedar Grove township line, 0.6 mi
upstream of Taylor Brook, 1.0 mi north of Verona, and 4.0 mi west of
PERIOD OF RECORD.--
Annual maximum, water years 1979 to 2008.
Continuous-record gage-height station with annual maximum discharge,
water years 2009 to current year. Miscellaneous and occasional low-flow
measurements, water years 1945, 1979-81, 1985 to 2006.
Water-stage recorder with telemetry and crest-stage gage.
Datum of gage is 300.08 ft above NGVD of 1929.
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
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 2,770 ft³/s,
Sep 16, 1999, gage height, 6.57 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--
The peak flow for the flood
of July 23, 1945 was computed to be 3,800 ft³/s (determined at Bradford
Avenue, 0.2 mi downstream of gage, adjusted for change in drainage
area), gage height, not determined.
Flood Inundation Maps Now Available for this Gage.
National Weather Service flood stage for this
gage is 3.5 ft.