PROVISIONAL DATA SUBJECT TO REVISION

STATION.--01478000  CHRISTINA RIVER AT COOCHS BRIDGE, DE
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 25.54 ft above National Geodetic Vertical Datum of 1929.
   Prior to Sept. 14, 1944, nonrecording gage on upstream side of bridge at same datum. Sept. 14, 1944,
   to May 13, 1969, recording gage at site on left bank at downstream side of highway bridge at same datum.
   May 26,  1969, to Dec. 5, 1973, recording gage on left bank 82 ft downstream from highway bridge
   at same datum.
REMARKS.--Low and medium flow regulated by mill upstream from station. U.S. Geological Survey satellite
   collection platform at station. Water-quality records for some prior periods have been collected at
   this location.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 7,050 ft3/s, Sep. 16, 1999,
   gage height, 13.73 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, flood stage; 10.5 ft, information provided by NWS.