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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 41°09'42", long 74°20'00" referenced to North American Datum of 1983, West Milford Township, Passaic County, NJ, Hydrologic Unit 02030103, in gatehouse near right end of Greenwood Lake Dam on Wanaque River at Awosting.
DRAINAGE AREA. --27.1 mi2.
PERIOD OF RECORD. --June 1898 to November 1903, June 1907 to current year (gage heights only prior to October 1953).
GAGE. --Water-stage recorder. Datum of gage is 608.86 ft above NGVD of 1929.
COOPERATION. --New Jersey Department of Environmental Protection and USGS.