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Water-Year Summary for Site 01483700

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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.)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
01483700 ST. JONES RIVER AT DOVER, DE
LOCATION - Lat 39°09'49.4", long 75°31'08.7" referenced to North American Datum of 1983, Kent County, DE, Hydrologic Unit 02040207, on left bank 150 ft upstream from Division Street Bridge in Dover, 1,950 ft downstream from Silver Lake, and 12.5 mi upstream from mouth.
DRAINAGE AREA - 31.9 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1958 to current year.
GAGE - Water-stage recorder, concrete control, and crest-stage gage. Datum of gage is -0.77 ft above North American Vertical Datum of 1988. Prior to June 1973, at gage datum 0.50 ft higher.
REMARKS -
  • Water Years 2017-2023: Records good, except those for estimated discharges, which are poor.
  • Water Years 2014-2016: Records good, except those for estimated daily discharges, which are poor.
  • Water Year 2013 and prior years’ accuracy statements can be found in Annual Water Data Reports.

    • Flow affected by Silver Lake. Flow frequently affected by tide and wind. U.S. Geological Survey satellite data-collection platform at station.
    WATER-QUALITY RECORDS
    PERIOD OF RECORD - WATER TEMPERATURE: April 2021 to current year. SPECIFIC CONDUCTANCE: April 2021 to current year.
    COOPERATION - Funding for water-quality collection is provided by the United States Geological Survey.
    INSTRUMENTATION - Multi-parameter water-quality monitor, April 2021 to current year.
    REMARKS -
  • Missing data due to equipment malfunction.
    • EXTREMES FOR PERIOD OF RECORD -

    WATER TEMPERATURE: Minimum Inst. Temp 0.4°C on January 22, 2022; Maximum Inst. Temp 33.3°C on August 9, 2022

    SPECIFIC CONDUCTANCE: Maximum, 2050 µS/cm on September 30, 2022; Minimum, 71 µS/cm, April 30, 2023.