USGS Water-Year Summary 2021
01377000 HACKENSACK RIVER AT RIVERVALE, NJ
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.
DRAINAGE AREA - 58 mi².
- WDR NJ-80-1: 1968-79(M). On April 03, 2020 discharge and peak gage height for April 16, 2018 were revised.
PERIOD OF RECORD - October 1941 to current year.
GAGE - Water-stage recorder with telemetry, crest-stage gage, and concrete control. Datum of gage is 22.51 ft above NGVD of 1929.
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.