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Groundwater levels for the Nation

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  • 392120075441002
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USGS 392120075441002 Gb41-23

New Castle County, Delaware
Latitude  39°21'20", Longitude  75°44'10" NAD27
Land-surface elevation 80 feet above NGVD29
The depth of the well is 30.00 feet below land surface.
The depth of the hole is 35.00 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Columbia Group (112CLMB) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
Reselect period
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
1989-10-26 D62610 70.00NGVD291O  A
1989-10-26 D62611 69.21NAVD881O  A
1989-10-26 D7201910.00  1O  A
1989-11-17 D62610 76.68NGVD291Z  A
1989-11-17 D62611 75.89NAVD881Z  A
1989-11-17 D720193.32  1Z  A
1990-01-16 D62610 76.08NGVD291Z  A
1990-01-16 D62611 75.29NAVD881Z  A
1990-01-16 D720193.92  1Z  A
1990-03-21 D62610 76.32NGVD291Z  A
1990-03-21 D62611 75.53NAVD881Z  A
1990-03-21 D720193.68  1Z  A
1990-04-11 D62610 77.38NGVD291Z  A
1990-04-11 D62611 76.59NAVD881Z  A
1990-04-11 D720192.62  1Z  A
1990-04-26 D62610 76.58NGVD29 S  A
1990-04-26 D62611 75.79NAVD88 S  A
1990-04-26 D720193.42   S  A
1990-05-22 D62610 76.15NGVD291Z  A
1990-05-22 D62611 75.36NAVD881Z  A
1990-05-22 D720193.85  1Z  A
1990-06-01 D62610 77.60NGVD29 S  A
1990-06-01 D62611 76.81NAVD88 S  A
1990-06-01 D720192.40   S  A
1990-06-04 D62610 77.60NGVD29 S  A
1990-06-04 D62611 76.81NAVD88 S  A
1990-06-04 D720192.40   S  A
1990-06-13 D62610 76.64NGVD291Z  A
1990-06-13 D62611 75.85NAVD881Z  A
1990-06-13 D720193.36  1Z  A
1990-07-09 D62610 74.47NGVD29 S  A
1990-07-09 D62611 73.68NAVD88 S  A
1990-07-09 D720195.53   S  A
1990-07-17 D62610 76.28NGVD291Z  A
1990-07-17 D62611 75.49NAVD881Z  A
1990-07-17 D720193.72  1Z  A
1990-08-07 D62610 74.95NGVD29 S  A
1990-08-07 D62611 74.16NAVD88 S  A
1990-08-07 D720195.05   S  A
1990-08-16 D62610 75.87NGVD291Z  A
1990-08-16 D62611 75.08NAVD881Z  A
1990-08-16 D720194.13  1Z  A
1990-09-05 D62610 74.32NGVD29 S  A
1990-09-05 D62611 73.53NAVD88 S  A
1990-09-05 D720195.68   S  A
1990-10-12 D62610 72.96NGVD29 S  A
1990-10-12 D62611 72.17NAVD88 S  A
1990-10-12 D720197.04   S  A
1991-01-03 D62610 76.50NGVD29 S  A
1991-01-03 D62611 75.71NAVD88 S  A
1991-01-03 D720193.50   S  A
1991-01-31 D62610 76.96NGVD29 S  A
1991-01-31 D62611 76.17NAVD88 S  A
1991-01-31 D720193.04   S  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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
StatusThe reported water-level measurement represents a static level
Status1Static
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.