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Groundwater levels for the Nation

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Agency code = usgs
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  • 414040088004201
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USGS 414040088004201 37N11E-19.1d

Cook County, Illinois
Latitude  41°40'40.0", Longitude  88°00'42.0" NAD83
Land-surface elevation 585.68 feet above NAVD88
The depth of the well is 65.4 feet below land surface.
The depth of the hole is 65.4 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
2011-02-1113:15 UTCm62610 576.06NGVD291VUSGSSA
2011-02-1113:15 UTCm62611 575.77NAVD881VUSGSSA
2011-02-1113:15 UTCm720199.91  1VUSGSSA
2011-02-1416:52 UTCm62610 576.68NGVD291VUSGSSA
2011-02-1416:52 UTCm62611 576.39NAVD881VUSGSSA
2011-02-1416:52 UTCm720199.29  1VUSGSSA
2011-02-1519:50 UTCm62610 576.76NGVD291VUSGSSA
2011-02-1519:50 UTCm62611 576.47NAVD881VUSGSSA
2011-02-1519:50 UTCm720199.21  1VUSGSSA
2011-02-2313:53 UTCm62610 576.16NGVD291VUSGSSA
2011-02-2313:53 UTCm62611 575.87NAVD881VUSGSSA
2011-02-2313:53 UTCm720199.81  1VUSGSSA
2011-04-0716:40 UTCm62610 576.43NGVD291VUSGSSA
2011-04-0716:40 UTCm62611 576.14NAVD881VUSGSSA
2011-04-0716:40 UTCm720199.54  1VUSGSSA
2011-05-0918:59 UTCm62610 577.09NGVD291VUSGSSA
2011-05-0918:59 UTCm62611 576.80NAVD881VUSGSSA
2011-05-0918:59 UTCm720198.88  1VUSGSSA
2011-05-1315:24 UTCm62610 576.46NGVD291VUSGSSA
2011-05-1315:24 UTCm62611 576.17NAVD881VUSGSSA
2011-05-1315:24 UTCm720199.51  1VUSGSSA
2011-06-1515:42 UTCm62610 575.77NGVD291VUSGSSA
2011-06-1515:42 UTCm62611 575.48NAVD881VUSGSSA
2011-06-1515:42 UTCm7201910.20  1VUSGSSA
2011-07-0715:31 UTCm62610 577.08NGVD295VUSGSSA
2011-07-0715:31 UTCm62611 576.79NAVD885VUSGSSA
2011-07-0715:31 UTCm720198.89  5VUSGSSA
2011-07-2114:27 UTCm62610 577.17NGVD291VUSGSSA
2011-07-2114:27 UTCm62611 576.88NAVD881VUSGSSA
2011-07-2114:27 UTCm720198.80  1VUSGSSA
2011-08-1217:55 UTCm62610 576.65NGVD291VUSGSSA
2011-08-1217:55 UTCm62611 576.36NAVD881VUSGSSA
2011-08-1217:55 UTCm720199.32  1VUSGSSA
2011-09-0818:39 UTCm62610 577.29NGVD291VUSGSSA
2011-09-0818:39 UTCm62611 577.00NAVD881VUSGSSA
2011-09-0818:39 UTCm720198.68  1VUSGSSA
2011-10-1414:22 UTCm62610 576.68NGVD291VUSGSSA
2011-10-1414:22 UTCm62611 576.39NAVD881VUSGSSA
2011-10-1414:22 UTCm720199.29  1VUSGSSA
2011-11-14 D62610 576.32NGVD291VUSGSSA
2011-11-14 D62611 576.03NAVD881VUSGSSA
2011-11-14 D720199.65  1VUSGSSA

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
Status5Groundwater level affected by surface water
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.