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Groundwater levels for the Nation

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USGS 421626088311402 44N6E-22.4c2 (11-SEN-D)

Mchenry County, Illinois
Latitude  42°16'26", Longitude  88°31'14" NAD83
Land-surface elevation 830.63 feet above NAVD88
The depth of the well is 153.2 feet below land surface.
The depth of the hole is 155 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.
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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
2010-01-2215:56 UTCm62610 825.99NGVD291VUSGSSA
2010-01-2215:56 UTCm62611 825.82NAVD881VUSGSSA
2010-01-2215:56 UTCm720194.81  1VUSGSSA
2010-02-2221:58 UTCm62610 826.17NGVD291VUSGSSA
2010-02-2221:58 UTCm62611 826.00NAVD881VUSGSSA
2010-02-2221:58 UTCm720194.63  1VUSGSSA
2010-04-2814:25 UTCm62610 826.15NGVD291VUSGSSA
2010-04-2814:25 UTCm62611 825.98NAVD881VUSGSSA
2010-04-2814:25 UTCm720194.65  1VUSGSSA
2010-09-2415:15 UTCm62610 824.88NGVD291SIL050AA
2010-09-2415:15 UTCm62611 824.71NAVD881SIL050AA
2010-09-2415:15 UTCm720195.92  1SIL050AA
2010-09-2816:00 UTCm62610 824.85NGVD291VUSGSSA
2010-09-2816:00 UTCm62611 824.68NAVD881VUSGSSA
2010-09-2816:00 UTCm720195.95  1VUSGSSA
2010-10-2617:31 UTCm62610 824.83NGVD291VUSGSSA
2010-10-2617:31 UTCm62611 824.66NAVD881VUSGSSA
2010-10-2617:31 UTCm720195.97  1VUSGSSA
2010-11-0921:29 UTCm62610 824.65NGVD291VUSGSSA
2010-11-0921:29 UTCm62611 824.48NAVD881VUSGSSA
2010-11-0921:29 UTCm720196.15  1VUSGSSA
2011-04-1421:22 UTCm62610 826.06NGVD291VUSGSSA
2011-04-1421:22 UTCm62611 825.89NAVD881VUSGSSA
2011-04-1421:22 UTCm720194.74  1VUSGSSA
2011-05-2515:31 UTCm62610 826.33NGVD291VUSGSSA
2011-05-2515:31 UTCm62611 826.16NAVD881VUSGSSA
2011-05-2515:31 UTCm720194.47  1VUSGSSA
2011-08-0216:52 UTCm62610 825.92NGVD291VUSGSSA
2011-08-0216:52 UTCm62611 825.75NAVD881VUSGSSA
2011-08-0216:52 UTCm720194.88  1VUSGSSA
2011-10-1116:17 UTCm62610 825.59NGVD291VUSGSSA
2011-10-1116:17 UTCm62611 825.42NAVD881VUSGSSA
2011-10-1116:17 UTCm720195.21  1VUSGSSA
2012-03-0617:34 UTCm62610 826.38NGVD291VUSGSSA
2012-03-0617:34 UTCm62611 826.21NAVD881VUSGSSA
2012-03-0617:34 UTCm720194.42  1VUSGSSA
2012-10-1021:08 UTCm62610 823.40NGVD291VUSGSSA
2012-10-1021:08 UTCm62611 823.23NAVD881VUSGSSA
2012-10-1021:08 UTCm720197.40  1VUSGSSA
2013-04-1515:05 UTCm62610 826.60NGVD291VUSGSSA
2013-04-1515:05 UTCm62611 826.43NAVD881VUSGSSA
2013-04-1515:05 UTCm720194.20  1VUSGSSA
2013-10-2418:22 UTCm62610 824.73NGVD291VUSGSSA
2013-10-2418:22 UTCm62611 824.56NAVD881VUSGSSA
2013-10-2418:22 UTCm720196.07  1VUSGSSA
2014-04-1415:27 UTCm62610 827.03NGVD291VUSGSSA
2014-04-1415:27 UTCm62611 826.86NAVD881VUSGSSA
2014-04-1415:27 UTCm720193.77  1VUSGSSA
2014-10-0614:30 UTCm62610 825.24NGVD291VUSGSSA
2014-10-0614:30 UTCm62611 825.07NAVD881VUSGSSA
2014-10-0614:30 UTCm720195.56  1VUSGSSA
2015-04-0613:21 UTCm62610 825.62NGVD291VUSGSSA
2015-04-0613:21 UTCm62611 825.45NAVD881VUSGSSA
2015-04-0613:21 UTCm720195.18  1VUSGSSA
2015-10-0614:07 UTCm62610 825.57NGVD291VUSGSSA
2015-10-0614:07 UTCm62611 825.40NAVD881VUSGSSA
2015-10-0614:07 UTCm720195.23  1VUSGSSA
2016-03-2914:55 UTCm62610 827.02NGVD291VUSGSSA
2016-03-2914:55 UTCm62611 826.85NAVD881VUSGSSA
2016-03-2914:55 UTCm720193.78  1VUSGSSA
2016-11-2917:00 UTCm62610 825.62NGVD291VUSGSSA
2016-11-2917:00 UTCm62611 825.45NAVD881VUSGSSA
2016-11-2917:00 UTCm720195.18  1VUSGSSA
2017-05-2419:02 UTCm62610 827.16NGVD291VUSGSSP
2017-05-2419:02 UTCm62611 826.99NAVD881VUSGSSP
2017-05-2419:02 UTCm720193.64  1VUSGSSP
2020-06-1206:00 UTCm62610 826.78NGVD291VUSGSSP
2020-06-1206:00 UTCm62611 826.61NAVD881VUSGSSP
2020-06-1206:00 UTCm720194.02  1VUSGSSP

Explanation
SectionCodeDescription
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 measurementVCalibrated electric-tape measurement.
Measuring agencyIL050AECOM, Inc, IL
Measuring agencyUSGSU.S. Geological Survey
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.
Water-level approval statusPProvisional data subject to revision.