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    All Maryland-Delaware-District of Columbia times are reported in Eastern Standard Time (EST). To convert to Eastern Daylight Time (EDT) add 1 hour.


    USGS 01478000 CHRISTINA RIVER AT COOCHS BRIDGE, DE

    PROVISIONAL DATA SUBJECT TO REVISION

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    LOCATION.--Lat 39°38'14.6", long 75°43'40.4", New Castle County, Hydrologic Unit 02040205,
       on right bank 60 ft downstream from highway bridge, 0.5 mi southeast of Coochs Bridge, 3.3 mi south
       of Newark, 3.6 mi upstream from Belltown Run, and 22.6 mi upstream from mouth.
    DRAINAGE AREA.--20.5 mi2.
    PERIOD OF RECORD.--April 1943 to current year.
    REVISED RECORDS.--WDR MD-DE-79-1:  1943-70(P).  WDR MD-DE-87-1:  1980-82(P).
    GAGE.--Water-stage recorder.  Datum of gage is 24.52 ft above North American Vertical Datum of 1988.
       Prior to Sept. 14, 1944, nonrecording gage on upstream side of bridge at same gage datum. Sept. 14, 1944,
       to May 13, 1969, recording gage at site on left bank at downstream side of highway bridge at same gage datum.
       May 26, 1969, to Dec. 5, 1973, recording gage on left bank 82 ft downstream from highway bridge
       at same gage datum.
    REMARKS.--Low and medium flow regulated by mill upstream from station. U.S. Geological Survey satellite
       data-collection platform at station. Water-quality records for some prior periods have been collected at
       this location.
    EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 7,780 ft3/s, Aug. 28, 2011,
       gage height, 13.89 ft; minimum discharge, 0.15 ft3/s, August 20, 1966.
    COOPERATION.--Funding for the operation of this station is provided by the Delaware Geological Survey
       and the U.S Geological Survey.
    CRITICAL LEVELS.--Bankfull stage; 9.0 ft (524 ft3/s), flood stage; 10.5 ft (880 ft3/s), information provided by NWS.
    
    Boating safety tips
    This station managed by the MD-DE-DC Water Science Center, Dover office.

    Available Parameters Available Period
    All 2 Available Parameters for this site
      
    00060 Discharge 2007-10-01  2014-09-01
    00065 Gage height 2014-05-04  2014-09-01

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


    Discharge, cubic feet per second

    Most recent instantaneous value: 15   09-01-2014  23:15 EST
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    Daily discharge, cubic feet per second -- statistics for Sep 2 based on 71 years of record more
    Most Recent
    Instantaneous
    Value Sep 2
    Min
    (1963)
    25th
    percen-
    tile
    Median Mean 75th
    percen-
    tile
    Max
    (2006)
    -- unavailable -- 0.50 3.1 5.7 12 12 155


    Gage height, feet

    Most recent instantaneous value: 4.83   09-01-2014  23:15 EST
    Graph of  Gage height, feet

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