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Water-Year Summary for Site 01458500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00301 Diss oxygen,%saturtn(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Med.)  
63680 Turbidity, Form Neph(Max.,Min.,Mean)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
01458500 DELAWARE RIVER AT FRENCHTOWN, NJ
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.
REVISIONS HISTORY - WDR US-2009: 2008(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Annual maximum gage, water years 1936-1956, 2005-2006, Continuous-record gage-height station, water years 2008 to current year.
GAGE - Water-stage recorder with telemetry. Datum of gage is 99.04 ft above NAVD of 1988.
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 OUTSIDE PERIOD OF RECORD - The flood of Oct 10, 1903 reached a gage height of 24.4 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 27.79 ft, Aug 20, 1955.
WATER-QUALITY RECORDS
PERIOD OF RECORD -

DISCRETE DATA:
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 found here.
EXTREMES FOR PERIOD OF DAILY RECORD -
DISSOLVED OXYGEN: Maximum, 16.8 mg/L, Dec 29, 2017; minimum, 5.8 mg/L, Jul 8-9, 25, 2016.
DISSOLVED OXYGEN, PERCENT OF SATURATION: Maximum, 200%, Jun 18, 2018; minimum, 69%, May 1, 4, 2015, Sep 11, 2015, Jul 9, 2016.
pH: Maximum, 9.4 standard units, Jul 24-26, 2015, Jun 17-18, 2018; minimum, 6.9 standard units, May 26, 2016, Jun 3, 2016.
SPECIFIC CONDUCTANCE: Maximum, 493 microsiemens/cm, Feb 9, 2018; minimum, 98 microsiemens/cm, Apr 8, 2017.
WATER TEMPERATURE: Maximum, 30.5°C, Jul 3, 2018; minimum, -0.1°C, Dec 15, 2016.
TURBIDITY: Maximum, 620 FNU, Feb 03, 2016; minimum, <0.5 FNU on many days.