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°59'06", 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 gaging station, October
1954 to September 1974, October 1977 to current year. Annual maximum,
water years 1975-77.
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 daily discharges,
which are poor. The flow past this station is affected by pumpage from
wells by United Water New Jersey and others.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 6,770
/s, Aug 28, 2011, gage height, 11.42 ft; maximum gage
height, 13.40 ft, Sep 16, 1999; minimum discharge, 0.00
/s, Jul 27, 1999.
EXTREMES OUTSIDE PERIOD OF RECORD.--
Maximum discharge, 6,400
/s, July 23, 1945, on basis of slope-area measurement of
peak flow at site 1.6 mi upstream, drainage area, 19.1
Flood Inundation Maps Now Available for this Gage.
National Weather Service flood stage for this
gage is 5.0 ft.