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°59'06", long 74°05'26"
referenced to North American Datum of 1983, Ridgewood Village, Bergen
County, NJ, Hydrologic Unit 02030103, on left bank 15 ft upstream from
bridge on State Route 17 in Ridgewood and 2.8 mi upstream from Hohokus
PERIOD OF RECORD.--
Continuous-record discharge station, October
1954 to September 1974, and October 1977 to current year. Annual
maximum gage, water years 1975 to 1977.
WDR NJ-74:1971. WDR US-2011:2010(M). WDR
Water-stage recorder with telemetry and crest-stage gage.
Datum of gage is 71.74 ft above NGVD of 1929 (levels from New Jersey
Geological Survey benchmark).
Records fair, except for estimated discharges, which
are poor. The flow past this station is affected by pumpage from
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 6,770 ft³/s,
Aug 28, 2011, gage height, 11.42 ft; maximum gage height, 13.40 ft, Sep
16, 1999; minimum discharge, 0.00 ft³/s, Jul 27, 1999.
EXTREMES OUTSIDE PERIOD OF RECORD.--
Maximum discharge, 6,800
ft³/s, July 23, 1945, on basis of slope-area measurement of peak flow
at site 1.6 mi upstream, adjusted for change in drainage area.
Flood Inundation Maps Now Available for this Gage.
National Weather Service flood stage for this
gage is 5.0 ft.