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Water-Year Summary for Site 01480065

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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.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Mean,Min.)  
00010 Temperature, water(Max.,Min.,Mean) [(2)]  
00065 Gage height(Tid.,Tid.) [NGVD29, Discontinued]  
00095 Specific cond at 25C(Max.,Mean,Min.)  
00095 Specific cond at 25C(Max.,Min.,Mean) [(2)]  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean) [(2)]  
00400 pH(Max.,Min.,Med.)  
00400 pH(Max.,Min.) [(2)]  
62620 Elevation, ocean/est, NAVD88(Tid.,Tid.)  

Water year 2024: 2023-10-01 to 2024-09-30
 
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USGS Water-Year Summary 2024
01480065 CHRISTINA RIVER AT NEWPORT, DE
LOCATION - Lat 39°42'38.3", long 75°36'31.4" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02040205, on downstream side of bridge on James Street, at Newport, and 7.5 mi upstream from the confluence with the Delaware River.
DRAINAGE AREA - 216 mi². Not determined.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1993 to current year.
GAGE - Water-stage recorder. Datum of gage is 0.00 ft above North American Vertical Datum of 1988 (NAVD88). From October 1, 2015 to September 30, 2024, datum of gage is -0.09 ft above NAVD88. From November 11, 1993 to September 30, 2015, datum of gage is 0.00 ft above National Geodetic Vertical Datum of 1929, and -1.14 ft above NAVD88.
REMARKS -
  • Water Year 2024: Record good, missing data due to equipment malfunction and equipment being moved 75ft upstream. 
  • Water Year 2023: Record good, no missing data.
  • Water Years 2014-2022: Records good, missing data due to equipment malfunction.
  • Water Year 2013 and prior years’ accuracy statements can be found in Annual Water Data Reports.

    • This is a tidal station. Discharge is not determined at this location. U.S. Geological Survey satellite data-collection platform at station.
    EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 8.41 ft, at datum then in use, October 30, 2012; minimum elevation, -5.55 ft, at datum then in use, March 6, 2007.
    WATER-QUALITY RECORDS
    PERIOD OF RECORD - October 2006 to current year.
    PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 2006 to current year. WATER TEMPERATURE: October 2006 to current year. pH: October 2006 to current year. TURBIDITY: October 2008 to June 2012. DISSOLVED OXYGEN: October 2006 to current year.
    INSTRUMENTATION - Multi-parameter water-quality monitor, October 2006 to current year.
    REMARKS -
  • Missing data due to equipment malfunction.
    • EXTREMES FOR PERIOD OF DAILY RECORD -

    Downstream Location (March 15, 2024 - Present):

    SPECIFIC CONDUCTANCE: Maximum, 5474 microsiemens/cm, November 05, 2024; minimum, 91.6 microsiemens/cm, August 08, 2024.

    WATER TEMPERATURE: Maximum, 31.5 degC, July 16, 2024; minimum, 6.45 degC, March 24, 2024. 

    pH: Maximum, 9.1 standard units, April 29, 2024; minimum, 6.7 standard units June 07, 2024. 

    DISSOLVED OXYGEN: Maximum, 15.4 mg/L, April 29, 2024; minimum, 2.0 mg/L, July 18, 2024.

    Upstream Location (September 27, 2006 - February 29, 2024):
     
    SPECIFIC CONDUCTANCE: Maximum, 7,120 microsiemens/cm, November 19, 2016; minimum, 38 microsiemens/cm, April 19, 2022.

    WATER TEMPERATURE: Maximum, 32.0°C, August 13, 2016; minimum, -0.1°C, multiple days throughout the period. 

    pH: Maximum, 9.4 standard units, several days throughout the period; minimum, 6.4 standard units, September 8, 2008. 

    DISSOLVED OXYGEN: Maximum, 19.6 mg/L, May 25, 2009; minimum, 1.5 mg/L, July 22, 2016.

    Upstream Location (September 07, 2008 - June 29, 2012):

    TURBIDITY:  Maximum, 350 FNU, August 2, 2009; minimum, 1.0 FNU, May 17, June 2, Nov. 7-10, 17, 2009.