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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.
National Weather Service flood stage for this gage is 5 feet.
LOCATION. --Lat 40°53'49", long 74°23'41" referenced to North American Datum of 1983, Boonton Town, Morris County, NJ, Hydrologic Unit 02030103, on right bank 2,000 ft downstream from Boonton Reservoir Dam at Boonton, and 0.4 mi upstream from bridge on Greenbank Road.
DRAINAGE AREA. --119 mi2.
PERIOD OF RECORD. --Gage-height only, March 1903 to February 1904. Monthly discharges only, November 1911 to May 1912 and November 1912 to December 1912. Daily discharges, January 1906 to October 1911, June 1912 to October 1912, and January 1913 to current year. Published as "near Boonton" 1903-4, and as "at Boonton" 1906-37.
GAGE. --Water-stage recorder. Concrete control since Nov. 5, 1936. Datum of gage is 195.68 ft above NGVD of 1929 (levels from New Jersey Geological Survey benchmark). Mar. 15, 1903 to Feb. 2, 1904, nonrecording gage at site 1.9 mi downstream at different datum. Jan. 1, 1906 to Mar. 2, 1918, nonrecording gage on Boonton Reservoir Dam 2,000 ft upstream at datum 305.25 ft above NGVD of 1929 (levels from New Jersey Geological Survey benchmark). Records for Mar. 3, 1918 to Sept. 30, 1924 are based on a recording gage at present site operated by Jersey City Water Department and staff gage readings at Boonton Reservoir Dam by Jersey City Water Department.
COOPERATION. --Funding for this gage is provided by the New Jersey Department of Environmental Protection .
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Value May 31