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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 22.0 ft.
Forecasts for this gage are issued by the National
Weather Service routinely year-round.
LOCATION.--Lat 40°49'35", long 75°04'57" referenced to North American Datum of 1983, Belvidere Town, Warren County, NJ, Hydrologic Unit 02040105, on left bank at Belvidere, 800 ft downstream from Pequest River, 1,200 ft southeast of Riverton, PA, and at river mile 197.7.
DRAINAGE AREA.--4,535 mi2.
PERIOD OF RECORD.--October 1922 to current year.
GAGE.--Water-stage recorder. Datum of gage 226.43 ft above NGVD of 1929, and was determined to be approximately 225.75 ft above NAVD of 1988 through the use of Vertcon. Prior to Jan 1, 1929, nonrecording gage at site 200 ft upstream at same datum.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Oct 10, 1903 reached a stage of 28.6 ft (from floodmark), discharge, 250,000 ft3/s (from rating curve extended above 170,000 ft3/s).
COOPERATION.--Funding for this gage is provided by the New Jersey Department of Environmental Protection and the U.S. Geological Survey.
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Value Jun 29