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, DE, 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.
REVISIONS HISTORY.--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, 9,000 ft3/s, Aug. 4, 2020, gage height, 14.00 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.--Action stage; 9.0 ft, flood stage; 11.0 ft, information provided by the National Weather
   Service.
Boating safety tips
This station managed by the MD-DE-DC Water Science Center Dover office.

Available Parameters Available Period
  
2018-10-02  2024-03-28
1988-10-01  2024-03-28
2007-10-01  2024-03-28
2021-07-20  2024-03-28







 (7)
 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 9.5 03-28-2024   05:15 EDT
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Discharge, cubic feet per second

Most recent instantaneous value: 67.0 03-28-2024   05:15 EDT
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Daily discharge, cubic feet per second -- statistics for Mar 28 based on 80 water years of record more
Min
(1981)
25th
percen-
tile
Median 75th
percen-
tile
Mean Most Recent
Instantaneous
Value Mar 28
Max
(2005)
5.50 16 21 30 46 67.0 595


Gage height, feet

Most recent instantaneous value: 4.86 03-28-2024   05:15 EDT
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 255 03-28-2024   05:15 EDT
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