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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 414843087585501
Minimum number of levels = 1
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USGS 414843087585501 38N11E- 4.3f1

Dupage County, Illinois
Latitude  41°48'43", Longitude  87°58'55" NAD27
Land-surface elevation 745 feet above NGVD29
The depth of the well is 278 feet below land surface.
The depth of the hole is 278 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
1956-07-31 D62610 643.00NGVD291O  A
1956-07-31 D62611 642.74NAVD881O  A
1956-07-31 D72019102.00  1O  A
1958-06 M62610 645.00NGVD291O  A
1958-06 M62611 644.74NAVD881O  A
1958-06 M72019100.00  1O  A
1958-08 M62610 634.00NGVD291O  A
1958-08 M62611 633.74NAVD881O  A
1958-08 M72019111.00  1O  A
1959-09 M62610 641.00NGVD291O  A
1959-09 M62611 640.74NAVD881O  A
1959-09 M72019104.00  1O  A
1962-11 M62610 619.00NGVD291O  A
1962-11 M62611 618.74NAVD881O  A
1962-11 M72019126.00  1O  A
1976-02-24 D62610 579.00NGVD291O  A
1976-02-24 D62611 578.74NAVD881O  A
1976-02-24 D72019166.00  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.