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°59'57", long 73°59'21" referenced to North
American Datum of 1983, River Vale Township, Bergen County, NJ,
Hydrologic Unit 02030103, on upstream right bank at bridge on Westwood
Avenue in Rivervale, 1.5 mi upstream from Pascack Brook, 4.1 mi
downstream of Lake Tappan, and 4.6 mi upstream from Oradell Dam.
PERIOD OF RECORD.--
October 1941 to current year.
WDR NJ-80-1: 1968-79(M).
Water-stage recorder with telemetry, crest-stage gage,
and concrete control. Datum of gage is 22.51 ft above NGVD of
Records fair, except for estimated discharges, which
are poor. Flow regulated by DeForest Lake (since 1956) and Lake Tappan
(since 1965, see 01376950). Diversions from DeForest Lake and
Hackensack River at West Nyack, NY, for municipal water supply.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 4,660
/s, Aug 28, 2011, gage height, 12.26 ft; minimum
discharge, 0.0 ft3
/s, Jan 16, 1970, due to upstream
PERIOD OF RECORD1.--
Water years 1962, 1964 to current
Discrete water-quality data were collected
as part of the
New Jersey Ambient Surface-Water-Quality Monitoring Network
1 Water-Quality Records
Reservoir releases from Lake Tappan are
included in the flow at this gage.