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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.
Elevation of spillway crest is 23.16 ft.
LOCATION. --Lat 40°57'23", long 74°01'46" referenced to North American Datum of 1983, Oradell Borough, Bergen County, NJ, Hydrologic Unit 02030103, at dam on Hackensack River at Oradell, and 0.8 mi upstream of Hirshfeld Brook.
DRAINAGE AREA. --113 mi2.
PERIOD OF RECORD. --April 2009 to current year.
GAGE. --Water-stage recorder. Datum of gage is 0 ft above NGVD of 1929.
COOPERATION. --Funding for this gage is provided by the New Jersey Department of Environmental Protection.