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USGS 01377000 Hackensack River at Rivervale NJ


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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 analysis.



LOCATION.--Lat 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.
REVISIONS HISTORY.--WDR NJ-80-1: 1968-79(M).  On April 03, 2020 discharge and peak gage height for April 16, 2018 were revised.
GAGE.--Water-stage recorder with telemetry, crest-stage gage, and concrete control. Datum of gage is 22.51 ft above NGVD of 1929.
REMARKS.--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 ft³/s, Aug 28, 2011, gage height, 12.26 ft; minimum discharge, 0.0 ft³/s, Jan 16, 1970, affected by regulation from upstream.


PERIOD OF RECORD.--Water years 1962, 1964 to current year.
REMARKS.--Discrete water-quality data were collected as part of the New Jersey Ambient Surface-Water-Quality Monitoring Network.

Peak Flood Chart

Gage Photo

National Weather Service flood stage for this gage is 5.5 ft.

Reservoir releases from Lake Tappan are included in the flow at this gage.

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
1981-10-01  2022-08-19
2007-10-01  2022-08-19


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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second

Most recent instantaneous value: 89.3 08-19-2022   02:15 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Aug 19 based on 78 water years of record more
Median Mean 75th
Most Recent
Value Aug 19
12.0 32 51 80 89 89.3 664

Gage height, feet

Most recent instantaneous value: 1.99 08-19-2022   02:15 EDT
Graph of  Gage height, feet

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