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Groundwater levels for the Nation

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Agency code = usgs
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  • 405512090573601
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USGS 405512090573601 11N 5W-28.1f

Henderson County, Illinois
Latitude  40°55'12", Longitude  90°57'36" NAD27
Land-surface elevation 519.00 feet above NGVD29
The depth of the well is 102 feet below land surface.
The depth of the hole is 102 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
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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
1975-01-22 D62610 511.17NGVD291O  A
1975-01-22 D62611 510.89NAVD881O  A
1975-01-22 D720197.83  1O  A
1984-05-2315:55 UTCm62610 480.90NGVD291OUSGSSA
1984-05-2315:55 UTCm62611 480.62NAVD881OUSGSSA
1984-05-2315:55 UTCm7201938.10  1OUSGSSA
1984-08-2120:25 UTCm62610 477.60NGVD291OUSGSSA
1984-08-2120:25 UTCm62611 477.32NAVD881OUSGSSA
1984-08-2120:25 UTCm7201941.40  1OUSGSSA
1984-12-0418:40 UTCm62610 478.00NGVD291OUSGSSA
1984-12-0418:40 UTCm62611 477.72NAVD881OUSGSSA
1984-12-0418:40 UTCm7201941.00  1OUSGSSA
1985-04-0316:00 UTCm62610 479.40NGVD291OUSGSSA
1985-04-0316:00 UTCm62611 479.12NAVD881OUSGSSA
1985-04-0316:00 UTCm7201939.60  1OUSGSSA

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 measurementOObserved.
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.