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Groundwater levels for the Nation

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USGS 415846087554301 40N11E-12.4h1

Dupage County, Illinois
Latitude  41°58'46", Longitude  87°55'43" NAD27
Land-surface elevation 664 feet above NGVD29
The depth of the well is 115 feet below land surface.
The depth of the hole is 115 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Quaternary System (110QRNR) 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
1965-07-12 D62610 616.50NGVD291O  A
1965-07-12 D62611 616.19NAVD881O  A
1965-07-12 D7201947.50  1O  A
1965-12-20 D62610 617.00NGVD291O  A
1965-12-20 D62611 616.69NAVD881O  A
1965-12-20 D7201947.00  1O  A
1966-12 M62610 634.00NGVD291O  A
1966-12 M62611 633.69NAVD881O  A
1966-12 M7201930.00  1O  A
1968-12 M62610 628.00NGVD291O  A
1968-12 M62611 627.69NAVD881O  A
1968-12 M7201936.00  1O  A
1970-04 M62610 612.00NGVD291O  A
1970-04 M62611 611.69NAVD881O  A
1970-04 M7201952.00  1O  A
1971-06 M62610 612.00NGVD291O  A
1971-06 M62611 611.69NAVD881O  A
1971-06 M7201952.00  1O  A
1972 Y62610 597.00NGVD291O  A
1972 Y62611 596.69NAVD881O  A
1972 Y7201967.00  1O  A
1973 Y62610 598.00NGVD291O  A
1973 Y62611 597.69NAVD881O  A
1973 Y7201966.00  1O  A
1974 Y62610 597.00NGVD291O  A
1974 Y62611 596.69NAVD881O  A
1974 Y7201967.00  1O  A
1975 Y62610 598.00NGVD291O  A
1975 Y62611 597.69NAVD881O  A
1975 Y7201966.00  1O  A
1976 Y62610 591.00NGVD291O  A
1976 Y62611 590.69NAVD881O  A
1976 Y7201973.00  1O  A
1985-11-2116:50 UTCm62610 589.00NGVD291OIL006AA
1985-11-2116:50 UTCm62611 588.69NAVD881OIL006AA
1985-11-2116:50 UTCm7201975.00  1OIL006AA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracyMDate is accurate to the Month
Water-level date-time accuracyYDate is accurate to the Year
Water-level date-time accuracymDate is accurate to the Minute
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
Measuring agencyIL006State of Illinois Environmental Protection Agency
Source of measurementNot determined
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Water-level approval statusAApproved for publication -- Processing and review completed.