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Groundwater levels for the Nation

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Agency code = usgs
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  • 415839088113901
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USGS 415839088113901 40N 9E- 3.5b1

Dupage County, Illinois
Latitude  41°58'39", Longitude  88°11'39" NAD27
Land-surface elevation 804 feet above NGVD29
The depth of the well is 392 feet below land surface.
The depth of the hole is 392 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
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
1959-10-03 D62610 748.00NGVD291O  A
1959-10-03 D62611 747.74NAVD881O  A
1959-10-03 D7201956.00  1O  A
1959-10-06 D62610 748.00NGVD291O  A
1959-10-06 D62611 747.74NAVD881O  A
1959-10-06 D7201956.00  1O  A
1960-10 M62610 729.00NGVD291O  A
1960-10 M62611 728.74NAVD881O  A
1960-10 M7201975.00  1O  A
1960-11 M62610 747.00NGVD291O  A
1960-11 M62611 746.74NAVD881O  A
1960-11 M7201957.00  1O  A
1963-06-06 D62610 743.10NGVD291O  A
1963-06-06 D62611 742.84NAVD881O  A
1963-06-06 D7201960.90  1O  A
1963-10-16 D62610 741.00NGVD291O  A
1963-10-16 D62611 740.74NAVD881O  A
1963-10-16 D7201963.00  1O  A
1969-03 M62610 728.00NGVD291O  A
1969-03 M62611 727.74NAVD881O  A
1969-03 M7201976.00  1O  A
1970-11 M62610 727.00NGVD291O  A
1970-11 M62611 726.74NAVD881O  A
1970-11 M7201977.00  1O  A
1971-12 M62610 730.00NGVD291O  A
1971-12 M62611 729.74NAVD881O  A
1971-12 M7201974.00  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.