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ICE EFFECTS ON STREAMFLOW -- During cold weather, ice effects on stage and discharge determinations at some streamgages are likely. Streamgages experiencing ice conditions will have the discharge record temporarily disabled to prevent the display of erroneous discharge values. The discharge record will resume when it is determined that ice conditions are no longer present. Adjustment of data for ice effects can only be done after detailed analysis.
National Weather Service flood stage for this gage is 22.0 ft.
Forecasts for this gage are issued by the National
Weather Service routinely year-round.
LOCATION.--Lat 40°35'41", long 75°11'23" referenced to North American Datum of 1983, Pohatcong Township, Warren County, NJ, Hydrologic Unit 02040105, on left bank just upstream of suspension bridge at Riegelsville, 600 ft upstream from Musconetcong River (flow of which is included in the records for this station since Oct. 1, 1931), and at river mile 174.8. Water-quality samples are collected from the bridge and are not affected by the flow of the Musconetcong River.
DRAINAGE AREA.--6,328 mi2.
PERIOD OF RECORD.--Continuous-record gaging station, water years 1906-71. Annual maximum, water years 1972 to current year.
GAGE.--Water-stage recorder. Datum of gage is 125.12 ft above NGVD of 1929, and determined to be approximately 124.3 ft above NAVD of 1988 through the use of Vertcon.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 340,000 ft3/s, Aug 19, 1955, gage height, 38.85 ft.
COOPERATION.--Funding for this gage is provided by the U.S. Geological Survey's National Stream Information Program (NSIP). Link to USGS NSIP website