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Groundwater levels for the Nation

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Agency code = usgs
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  • 415041087584201
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USGS 415041087584201 39N11E-28.1h1

Dupage County, Illinois
Latitude  41°50'41", Longitude  87°58'42" NAD27
Land-surface elevation 737 feet above NGVD29
The depth of the well is 351 feet below land surface.
The depth of the hole is 351 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Silurian System (350SLRN) local aquifer.
Output formats
Table of data
Tab-separated data
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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
1969-05-26 D62610 692.00NGVD291O  A
1969-05-26 D62611 691.73NAVD881O  A
1969-05-26 D7201945.00  1O  A
1969-05-27 D62610 692.00NGVD291O  A
1969-05-27 D62611 691.73NAVD881O  A
1969-05-27 D7201945.00  1O  A
1971-11 M62610 690.00NGVD291O  A
1971-11 M62611 689.73NAVD881O  A
1971-11 M7201947.00  1O  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.