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USGS 01480065 CHRISTINA RIVER AT NEWPORT, DE

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.-- On downstream side of bridge on James Street, at Newport, and 7.5 mi upstream from the confluence with the Delaware River.
PERIOD OF RECORD.-- November 11, 1993 to current year.
GAGE.-- Water-stage recorder. Datum of gage is 0.00 ft above North American Vertical Datum of 1988 (NAVD88). From October 1, 2015 to September 30, 2024, datum of gage is -0.09 ft above NAVD88. From November 11, 1993 to September 30, 2015, datum of gage is 0.00 ft above National Geodetic Vertical Datum of 1929, and -1.14 ft above NAVD88.
REMARKS.--This is a tidal station. Discharge is not determined at this location.
PERIOD OF RECORD (Water Quality).--October 2006 to current year.

This station managed by the MD-DE-DC Water Science Center Dover office.

Available Parameters Available Period
  
2024-03-15  2025-01-30
2007-10-01  2024-09-16
2007-10-01  2015-10-01
2024-03-15  2025-01-30
2007-10-01  2024-09-16
2024-03-15  2025-01-30
2007-10-01  2024-02-29
2024-03-15  2025-01-30
2007-10-01  2024-09-16
2015-10-01  2025-01-30







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Temperature, water, degrees Celsius, [100 ft downstream]
Most recent instantaneous value: -0.1 01-30-2025   05:30 EST
Graph of Temperature, water, degrees Celsius, [100 ft downstream]

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, [100 ft downstream]
Most recent instantaneous value: 745 01-30-2025   05:30 EST
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, [100 ft downstream]

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Dissolved oxygen, water, unfiltered, milligrams per liter
 
-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter, [100 ft downstream]
Most recent instantaneous value: 13.5 01-30-2025   05:30 EST
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter, [100 ft downstream]

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pH, water, unfiltered, field, standard units
 
-- Data temporarily unavailable for the time period specified --

pH, water, unfiltered, field, standard units, [100 ft downstream]
Most recent instantaneous value: 7.4 01-30-2025   05:30 EST
Graph of pH, water, unfiltered, field, standard units, [100 ft downstream]

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Estuary or ocean water surface elevation above NAVD 1988, feet
Most recent instantaneous value: -2.79 01-30-2025   06:12 EST
Graph of Estuary or ocean water surface elevation above NAVD 1988, feet

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