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Groundwater levels for the Nation

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Agency code = usgs
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  • 402902090295501
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USGS 402902090295501 6N 1W-22.6a

Mcdonough County, Illinois
Latitude  40°29'00.02", Longitude  90°30'02.78" NAD83
Land-surface elevation 650 feet above NGVD29
The depth of the well is 43 feet below land surface.
The depth of the hole is 43 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
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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
1991-03-28 D62610 641.00NGVD291L  A
1991-03-28 D62611 640.76NAVD881L  A
1991-03-28 D720199.00  1L  A
1996-09-0517:00 UTCm62610 640.00NGVD291DUSGSSA
1996-09-0517:00 UTCm62611 639.76NAVD881DUSGSSA
1996-09-0517:00 UTCm7201910.00  1DUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 measurementDDifferential Global Positioning System.
Method of measurementLInterpreted from geophysical logs.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.