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ALL DATA ARE AT LOCAL TIME


USGS 01458500 Delaware River at Frenchtown NJ

PROVISIONAL DATA SUBJECT TO REVISION

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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.

 


SURFACE-WATER RECORDS

LOCATION.--Lat 40°31'34", long 75°03'54" referenced to North American Datum of 1983, Frenchtown Borough, Hunterdon County, NJ, Hydrologic Unit 02040105, on upstream side of Uhlerstown-Frenchtown bridge, about 200 ft west of left back in Frenchtown, 900 ft upstream of mouth of Nishisakawick Creek, 0.5 mi southeast of Jugtown, PA, and 3.0 miles west of Baptistown.
DRAINAGE AREA.--6,420 mi2.
PERIOD OF RECORD.--Annual maximum, water years 1936-1956, 2005-2006, 2008 to current water year.
REVISED RECORDS.--WDR US-2009: 2008(M).
GAGE.--Water-stage recorder with telemetry. Datum of gage is 99.88 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 gage height, 27.79 ft, Aug 20, 1955.
EXTREMES OUTSIDE PERIOD OF RECORD.--The flood of Oct 10, 1903 reached a gage height of 24.4 ft.

WATER-QUALITY RECORDS

PERIOD OF RECORD.--
Water years 1976 to 1982.
CONTINUOUS DATA:
Dissolved Oxygen: September 2014 to current year.
Dissolved Oxygen, Percent of Saturation: September 2014 to current year.
pH: September 2014 to current year.
Specific Conductance: September 2014 to current year.
Water Temperature: September 2014 to current year.
Turbidity: September 2014 to current year.

REMARKS.--The accuracy of continuous water-quality data can be obtained by using this link.
EXTREMES FOR PERIOD OF DAILY RECORD.--
DISSOLVED OXYGEN, PERCENT OF SATURATION: Maximum, 173%, July 25, 2015; minimum, 64%, May 5, 2015.
pH: Maximum, 9.4 standard units, Jul 24, 25, 26, 2015; minimum, 7.1 standard units, Jul 3, 4, 5, 2015.
SPECIFIC CONDUCTANCE: Maximum, 464 microsiemens/cm, Feb 02, 2015; minimum, 121 microsiemens/cm, Jul 2, 2015.
WATER TEMPERATURE: Maximum, 29.4°C, Jul 18, 2015; minimum, 0.5°C, Jan 28 and 31, 2015.
TURBIDITY: Maximum, 190 FNU, Jan 18, 2015; minimum, 0.0 FNU on many days.

Peak Flood Chart

Gage Photo

National Weather Service flood stage for this gage is 16.0 ft.

Forecasts for this gage are issued by the National Weather Service routinely year-round.
Forecast information is available here.

Available Parameters Available Period
All 7 Available Parameters for this site
  
00010 Temperature, water 2014-09-03  2016-12-03
00065 Gage height 2007-10-01  2016-12-03
00095 Specific cond at 25C 2014-09-03  2016-12-03
00300 Dissolved oxygen 2014-09-03  2016-12-03
00301 Diss oxygen,%saturtn 2014-09-03  2016-12-03
00400 pH 2014-09-03  2016-12-03
63680 Turbidity, Form Neph 2014-09-03  2016-12-03

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Summary of all available data for this site
Instantaneous-data availability statement


Gage height, feet

Most recent instantaneous value: 3.46   12-03-2016   20:00 EST
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