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USGS 01480065 CHRISTINA RIVER AT NEWPORT, DE

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 39°42'38.3", long 75°36'31.4", 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 Delaware River.
DRAINAGE AREA.--Not determined.
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).
   Prior to October 1, 2015, at datum 1.05 ft higher.
REMARKS.--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, datum then in use, October 30, 2012; 
   minimum elevation, -5.55 ft, datum then in use, March 6, 2007.
COOPERATION.--Funding for the operation of this station is provided by the Delaware Geological Survey.
Boating safety tips
7/28/2016 Notice to users - Water level data, beginning on 10/1/2015, at this site has been
re-computed to reference the water level to NAVD88 datum. In order to convert historic
water level data stored in NGVD29 datum to the current NAVD88 datum, users must apply
known -1.05 ft. datum shift, as calculated for this location using VERTCON.
This station managed by the MD-DE-DC Water Science Center Dover office.

Available Parameters Available Period
  
2007-10-01  2021-10-16
2007-10-01  2015-10-01
2007-10-01  2021-10-16
2007-10-01  2021-10-16
2007-10-01  2021-10-16
2015-10-01  2021-10-16







 (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: 21.4 10-16-2021   17:30 EDT
Graph of  Temperature, water, degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 372 10-16-2021   17:30 EDT
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 7.5 10-16-2021   17:30 EDT
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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.4 10-16-2021   17:30 EDT
Graph of  pH, water, unfiltered, field, standard units

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