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Groundwater levels for the Nation

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Agency code = usgs
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  • 394722075414501
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USGS 394722075414501 Bb34-29

New Castle County, Delaware
Latitude  39°47'22", Longitude  75°41'45" NAD27
Land-surface elevation 265 feet above NGVD29
The depth of the well is 273 feet below land surface.
The depth of the hole is 273 feet below land surface.
This well is completed in the Piedmont and Blue Ridge crystalline-rock aquifers (N400PDMBRX) national aquifer.
This well is completed in the Cockeysville Marble (300CCKV) local aquifer.
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Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code 		Water
level,
feet
below
land
surface		 Water
level,
feet
above
specific
vertical
datum		 Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
1974-04 M62610 236.64NGVD291OUSGSSA
1974-04 M62611 235.57NAVD881OUSGSSA
1974-04 M7201928.36  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyMDate is accurate to the Month
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
Status1Static
Method of measurementOObserved.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.