USGS Water-Year Summary 2023
01382210 PEQUANNOCK RIVER AT OAK RIDGE, NJ
LOCATION - Lat 41°02'23", long 74°30'06" referenced to North American Datum of 1983, Jefferson Township, Morris County, NJ, Hydrologic Unit 02030103, on right bank, 300 ft upstream from bridge on Oak Ridge Road (Berkshire Valley Road), 400 ft downstream from Oak Ridge Reservoir Dam, and 0.9 mi southwest of Oak Ridge.
DRAINAGE AREA - 27.4 mi².
REVISIONS HISTORY - Revisions made in Water Year 2015 can be obtained by using this
link.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Continuous-record discharge station, April 2010 to current year.
GAGE - Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 800 ft NGVD 1929 (from topographic map).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,980 ft³/s, Aug 28, 2011, gage height, 9.21 ft; minimum discharge, 0.50 ft³/s, Dec 7-8, 2014.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
CONTINUOUS DATA:
Dissolved Oxygen: April 2010 to October 2014.
Dissolved Oxygen, Percent of Saturation: April 2010 to October 2014.
Specific Conductance: April 2010 to October 2014.
Water Temperature: April 2010 to October 2014.
EXTREMES FOR PERIOD OF DAILY RECORD -
DISSOLVED OXYGEN: Maximum, 12.5 mg/L, Mar 29, 2011; minimum, 1.4 mg/L, Aug 14 and 15, 2012.
DISSOLVED OXYGEN, PERCENT OF SATURATION: Maximum, 112%, Aug 28, 2011; minimum, 13%, Aug 14 and 15, 2012.
SPECIFIC CONDUCTANCE: Maximum, 178 microsiemens/cm, Sep 2, 2014, minimum, 88 microsiemens/cm, Sep 12, 2011.
WATER TEMPERATURE: Maximum, 27.9°C, May 31, 2011; minimum, 4.3°C, Mar 29, 2011.