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Groundwater levels for the Nation

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Agency code = usgs
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  • 414315087313103
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USGS 414315087313103 38N15E-5.1b3 (USEPA BH18D)

Cook County, Illinois
Latitude  41°43'16.65", Longitude  87°31'31.34" NAD27
Land-surface elevation 591 feet above NGVD29
The depth of the well is 68 feet below land surface.
The depth of the hole is 68 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Niagaran Series (355NIGR) 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
1992-06-23 D62610 563.88NGVD291SUSGSSA
1992-06-23 D62611 563.52NAVD881SUSGSSA
1992-06-23 D7201927.12  1SUSGSSA
1992-10-27 D62610 563.75NGVD291S  A
1992-10-27 D62611 563.39NAVD881S  A
1992-10-27 D7201927.25  1S  A
1997-07-07 D62610 564.36NGVD291S  A
1997-07-07 D62611 564.00NAVD881S  A
1997-07-07 D7201926.64  1S  A
2009-09-0218:45 UTCm62610 545.95NGVD291TUSGSSA
2009-09-0218:45 UTCm62611 545.59NAVD881TUSGSSA
2009-09-0218:45 UTCm7201945.05  1TUSGSSA
2010-05-2116:30 UTCm62610 545.81NGVD291VUSGSSA
2010-05-2116:30 UTCm62611 545.45NAVD881VUSGSSA
2010-05-2116:30 UTCm7201945.19  1VUSGSSA
2012-12-04 D62610 545.47NGVD291VUSGSSA
2012-12-04 D62611 545.11NAVD881VUSGSSA
2012-12-04 D7201945.53  1VUSGSSA
2013-06-25 D62610 545.53NGVD291VUSGSSA
2013-06-25 D62611 545.17NAVD881VUSGSSA
2013-06-25 D7201945.47  1VUSGSSA
2013-08-2018:20 UTCm62610 545.00NGVD291VUSGSSA
2013-08-2018:20 UTCm62611 544.64NAVD881VUSGSSA
2013-08-2018:20 UTCm7201946.00  1VUSGSSA
2013-09-2418:01 UTCm62610 544.94NGVD291VUSGSSA
2013-09-2418:01 UTCm62611 544.58NAVD881VUSGSSA
2013-09-2418:01 UTCm7201946.06  1VUSGSSA
2013-11-0520:58 UTCm62610 544.68NGVD291VUSGSSA
2013-11-0520:58 UTCm62611 544.32NAVD881VUSGSSA
2013-11-0520:58 UTCm7201946.32  1VUSGSSA
2014-04-2323:34 UTCm62610 544.77NGVD291VUSGSSA
2014-04-2323:34 UTCm62611 544.41NAVD881VUSGSSA
2014-04-2323:34 UTCm7201946.23  1VUSGSSA
2014-06-0519:39 UTCm62610 543.88NGVD291VUSGSSA
2014-06-0519:39 UTCm62611 543.52NAVD881VUSGSSA
2014-06-0519:39 UTCm7201947.12  1VUSGSSA
2015-01-1522:28 UTCm62610 545.48NGVD291VUSGSSA
2015-01-1522:28 UTCm62611 545.12NAVD881VUSGSSA
2015-01-1522:28 UTCm7201945.52  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
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
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.