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National Weather Service flood stage for this gage is 6.0 ft.
Forecasts for this gage are issued by the National
Weather Service routinely year-round.
LOCATION.--Lat 41°02'39", long 74°17'35" referenced to North American Datum of 1983, Wanaque Borough, Passaic County, NJ, Hydrologic Unit 02030103, on left bank 750 ft downstream from Raymond Dam in Wanaque, and 50 ft upstream from bridge on County Route 511 (Ringwood Avenue).
DRAINAGE AREA.--90.4 mi2.
PERIOD OF RECORD.--December 1903 to December 1905 (gage heights only), September 1912 to April 1915, May 1919 to current year.
GAGE.--Water-stage recorder and concrete control. Datum of gage is 210.00 ft above NGVD of 1929 (levels from New Jersey Geological Survey benchmark). December 16, 1903 to December 31, 1905, nonrecording gage on highway bridge at site 50 ft downstream at different datum. September 15, 1912 to April 1, 1922, nonrecording gage at site 200 ft downstream from present concrete control at different datum. April 1, 1922 to March 14, 1931, water-stage recorder at site 400 ft downstream from present concrete control at present datum.
COOPERATION.--Funding for this gage is provided by the North Jersey District Water Supply Commission, and the U.S. Army Corps of Engineers, New York District.
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Value Aug 31