USGS Water-Year Summary 2024
01382170 PEQUANNOCK RIVER AT STATE ROUTE 23, NEAR OAK RIDGE, NJ
LOCATION - Lat 41°04'40", long 74°29'23" referenced to North American Datum of 1983, West Milford Township, Passaic County, NJ, Hydrologic Unit 02030103, on upstream right abutment of southbound bridge on State Route 23, 0.6 mi upstream of Oak Ridge Reservoir, and 2.2 mi north of Oak Ridge.
DRAINAGE AREA - 19.3 mi².
REVISIONS HISTORY - WDR US-2010: 2009(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Miscellaneous measurements, water years 2001-02, 2005. Continuous-record gaging station, May 2008 to March 2014.
GAGE - Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 880 ft NAVD 88 (from topographic map).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,410 ft³/s, Aug 28, 2011, gage height, 9.47 ft; minimum discharge, 0.47 ft³/s, Aug 21, 2010.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 2008-10.
PERIOD OF DAILY RECORD - Water years 2009-14.
EXTREMES FOR PERIOD OF DAILY RECORD -
WATER TEMPERATURE: Maximum, 28.3°C, July 19, 2013; minimum, -0.1°C, on many days during winter.