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:
40°59'52", long 74°06'43" referenced to North
American Datum of 1983, Hohokus Borough, Bergen County, NJ, Hydrologic
Unit 02030103, on left bank 500 ft upstream from bridge on Maple Avenue
in Ho-Ho-Kus, and 3.5 mi upstream from mouth.
PERIOD OF RECORD.--
Continuous-record gaging station, water years
1954-73, 1977-96, and 2006 to current year. Annual maximum, water years
1997 to 2005.
WDR NJ-77-1: 1955(M), 1968(M), 1976(M). WDR
NJ-95-1: 1984-94(P). WYS US-2014: 1972(P), 1976(M), 1978-1981(P),
1982(M), 1983-1984(P), 1985-1986(M), 1987(P), 1988(M), 1989-1992(P),
1993(M), 1994(P), 1996(P), 1997-2005(M), 2006-2011(P), 2012(M).
Water-stage recorder with telemetry and crest-stage gage.
Datum of gage is 120.09 ft above NGVD of 1929.
Records fair, except for estimated discharges, which
are poor. Some regulation and diurnal fluctuation at low and medium
flows caused by unknown sources, possibly sewage treatment plant
upstream of gage. Discharges above 1500 ft3
/s from rating
curve extension on basis of flow-over-dam computation of peak
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 4,670
/s, Sep 16, 1999, gage height, 7.32 ft; minimum discharge
/s, Aug 2, 1966.
Revisions prior to water year 2014 available from
Water Data Reports (WDR) listed above in Revised Records. Revisions
subsequent to Water Year 2014 can be obtained by using this link
PERIOD OF RECORD1.--
Water years 1959, 1962-63,
1979-80, 2001, 2007-08.
1 Water-Quality Records
Flood Inundation Maps Now Available for this Gage.
National Weather Service flood stage for this
gage is 3.0 ft.