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USGS 01457500 Delaware River at Riegelsville NJ


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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.

Funding for this site is provided by:


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, upstream side 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.
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 with telemetry. Datum of gage is 125.12 ft above NGVD of 1929.
COOPERATION.--Gage operated in cooperation with the Delaware River Joint Toll Bridge Commission.
REMARKS.--Annual peak data can be obtained by selecting Peak streamflow from the 'Available data for this site' drop-down menu above or by using this link.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 340,000 ft3/s, Aug 19, 1955, gage height, 38.85 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Oct 10, 1903 reached a gage height of 35.9 ft, discharge 275,000 ft3/s
PERIOD OF RECORD1.--Water years 1934, 1943, 1950, 1960-79, 1991 to June 2009.
1 Water-Quality Records

Peak Flood Chart

Gage Photo

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.
Forecast information is available here.

Rain gage data is available from this location at this link

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 1 Available Parameters for this site
00065 Gage height 2007-10-01  2016-10-25

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Gage height, feet

Most recent instantaneous value: 2.85   10-25-2016   02:30 EDT
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