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Groundwater levels for the Nation

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  • 421633088125801
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USGS 421633088125801 44N9E-20.7c

Mchenry County, Illinois
Latitude  42°16'33.9", Longitude  88°12'58.8" NAD83
Land-surface elevation 750 feet above NGVD29
The depth of the well is 26.1 feet below land surface.
The depth of the hole is 26.6 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
2000-04-19 D62610 737.90NGVD291TUSGSSA
2000-04-19 D62611 737.65NAVD881TUSGSSA
2000-04-19 D7201912.10  1TUSGSSA
2002-06-25 D62610 738.02NGVD291TUSGSSA
2002-06-25 D62611 737.77NAVD881TUSGSSA
2002-06-25 D7201911.98  1TUSGSSA
2005-06-13 D62610 737.48NGVD291TUSGSSA
2005-06-13 D62611 737.23NAVD881TUSGSSA
2005-06-13 D7201912.52  1TUSGSSA
2006-05-24 D62610 737.33NGVD29 TUSGSSA
2006-05-24 D62611 737.08NAVD88 TUSGSSA
2006-05-24 D7201912.67   TUSGSSA
2007-07-1014:10 UTCm62610 737.17NGVD291TUSGSSA
2007-07-1014:10 UTCm62611 736.92NAVD881TUSGSSA
2007-07-1014:10 UTCm7201912.83  1TUSGSSA
2008-08-20 D62610 736.64NGVD291TUSGSSA
2008-08-20 D62611 736.39NAVD881TUSGSSA
2008-08-20 D7201913.36  1TUSGSSA
2009-03-0419:40 UTCm62610 738.60NGVD291TUSGSSA
2009-03-0419:40 UTCm62611 738.35NAVD881TUSGSSA
2009-03-0419:40 UTCm7201911.40  1TUSGSSA
2009-08-0414:00 UTCm62610 736.34NGVD291TUSGSSA
2009-08-0414:00 UTCm62611 736.09NAVD881TUSGSSA
2009-08-0414:00 UTCm7201913.66  1TUSGSSA
2010-06-09 D62610 737.99NGVD291VUSGSSA
2010-06-09 D62611 737.74NAVD881VUSGSSA
2010-06-09 D7201912.01  1VUSGSSA
2010-08-1818:40 UTCm62610 738.06NGVD291VUSGSSA
2010-08-1818:40 UTCm62611 737.81NAVD881VUSGSSA
2010-08-1818:40 UTCm7201911.94  1VUSGSSA
2011-02-1621:11 UTCm62610 737.13NGVD291VUSGSSA
2011-02-1621:11 UTCm62611 736.88NAVD881VUSGSSA
2011-02-1621:11 UTCm7201912.87  1VUSGSSA
2011-02-2318:21 UTCm62610 738.47NGVD291VUSGSSA
2011-02-2318:21 UTCm62611 738.22NAVD881VUSGSSA
2011-02-2318:21 UTCm7201911.53  1VUSGSSA
2011-06-0112:47 UTCm62610 738.74NGVD291VUSGSSA
2011-06-0112:47 UTCm62611 738.49NAVD881VUSGSSA
2011-06-0112:47 UTCm7201911.26  1VUSGSSA
2011-06-0115:00 UTCm62610 738.74NGVD291VUSGSSA
2011-06-0115:00 UTCm62611 738.49NAVD881VUSGSSA
2011-06-0115:00 UTCm7201911.26  1VUSGSSA
2011-06-0115:10 UTCm62610 738.72NGVD291VUSGSSA
2011-06-0115:10 UTCm62611 738.47NAVD881VUSGSSA
2011-06-0115:10 UTCm7201911.28  1VUSGSSA
2011-08-0222:54 UTCm62610 738.47NGVD291VUSGSSA
2011-08-0222:54 UTCm62611 738.22NAVD881VUSGSSA
2011-08-0222:54 UTCm7201911.53  1VUSGSSA
2011-10-1123:40 UTCm62610 736.98NGVD291VUSGSSA
2011-10-1123:40 UTCm62611 736.73NAVD881VUSGSSA
2011-10-1123:40 UTCm7201913.02  1VUSGSSA
2011-12-0918:43 UTCm62610 737.90NGVD291VUSGSSA
2011-12-0918:43 UTCm62611 737.65NAVD881VUSGSSA
2011-12-0918:43 UTCm7201912.10  1VUSGSSA
2012-03-0518:38 UTCm62610 738.31NGVD291VUSGSSA
2012-03-0518:38 UTCm62611 738.06NAVD881VUSGSSA
2012-03-0518:38 UTCm7201911.69  1VUSGSSA
2012-03-2821:22 UTCm62610 738.01NGVD291VUSGSSA
2012-03-2821:22 UTCm62611 737.76NAVD881VUSGSSA
2012-03-2821:22 UTCm7201911.99  1VUSGSSA
2012-05-2221:05 UTCm62610 737.46NGVD291VUSGSSA
2012-05-2221:05 UTCm62611 737.21NAVD881VUSGSSA
2012-05-2221:05 UTCm7201912.54  1VUSGSSA
2012-08-2420:04 UTCm62610 735.06NGVD291VUSGSSA
2012-08-2420:04 UTCm62611 734.81NAVD881VUSGSSA
2012-08-2420:04 UTCm7201914.94  1VUSGSSA
2012-10-0919:45 UTCm62610 734.49NGVD291VUSGSSA
2012-10-0919:45 UTCm62611 734.24NAVD881VUSGSSA
2012-10-0919:45 UTCm7201915.51  1VUSGSSA
2013-04-0816:12 UTCm62610 738.03NGVD291VUSGSSA
2013-04-0816:12 UTCm62611 737.78NAVD881VUSGSSA
2013-04-0816:12 UTCm7201911.97  1VUSGSSA
2013-05-2416:13 UTCm62610 737.84NGVD291VUSGSSA
2013-05-2416:13 UTCm62611 737.59NAVD881VUSGSSA
2013-05-2416:13 UTCm7201912.16  1VUSGSSA
2013-07-1014:18 UTCm62610 738.02NGVD291VUSGSSA
2013-07-1014:18 UTCm62611 737.77NAVD881VUSGSSA
2013-07-1014:18 UTCm7201911.98  1VUSGSSA
2013-12-0519:18 UTCm62610 736.99NGVD291VUSGSSA
2013-12-0519:18 UTCm62611 736.74NAVD881VUSGSSA
2013-12-0519:18 UTCm7201913.01  1VUSGSSA
2014-04-1512:46 UTCm62610 738.40NGVD291VUSGSSA
2014-04-1512:46 UTCm62611 738.15NAVD881VUSGSSA
2014-04-1512:46 UTCm7201911.60  1VUSGSSA
2014-08-2715:22 UTCm62610 738.15NGVD291VUSGSSA
2014-08-2715:22 UTCm62611 737.90NAVD881VUSGSSA
2014-08-2715:22 UTCm7201911.85  1VUSGSSA
2014-10-0617:31 UTCm62610 737.68NGVD291VUSGSSA
2014-10-0617:31 UTCm62611 737.43NAVD881VUSGSSA
2014-10-0617:31 UTCm7201912.32  1VUSGSSA
2014-12-0319:50 UTCm62610 737.37NGVD291VUSGSSA
2014-12-0319:50 UTCm62611 737.12NAVD881VUSGSSA
2014-12-0319:50 UTCm7201912.63  1VUSGSSA
2015-03-2516:35 UTCm62610 737.79NGVD291VUSGSSA
2015-03-2516:35 UTCm62611 737.54NAVD881VUSGSSA
2015-03-2516:35 UTCm7201912.21  1VUSGSSA
2015-04-0116:08 UTCm62610 737.82NGVD291VUSGSSA
2015-04-0116:08 UTCm62611 737.57NAVD881VUSGSSA
2015-04-0116:08 UTCm7201912.18  1VUSGSSA
2015-04-1315:58 UTCm62610 738.16NGVD291VUSGSSA
2015-04-1315:58 UTCm62611 737.91NAVD881VUSGSSA
2015-04-1315:58 UTCm7201911.84  1VUSGSSA
2015-06-0318:32 UTCm62610 737.97NGVD291VUSGSSA
2015-06-0318:32 UTCm62611 737.72NAVD881VUSGSSA
2015-06-0318:32 UTCm7201912.03  1VUSGSSA
2015-10-0514:11 UTCm62610 736.92NGVD291VUSGSSA
2015-10-0514:11 UTCm62611 736.67NAVD881VUSGSSA
2015-10-0514:11 UTCm7201913.08  1VUSGSSA
2016-04-1316:44 UTCm62610 738.64NGVD291VUSGSSA
2016-04-1316:44 UTCm62611 738.39NAVD881VUSGSSA
2016-04-1316:44 UTCm7201911.36  1VUSGSSA
2017-04-1214:16 UTCm62610 738.77NGVD291VUSGSSA
2017-04-1214:16 UTCm62611 738.52NAVD881VUSGSSA
2017-04-1214:16 UTCm7201911.23  1VUSGSSA
2017-04-2418:10 UTCm62610 738.02NGVD291VUSGSSA
2017-04-2418:10 UTCm62611 737.77NAVD881VUSGSSA
2017-04-2418:10 UTCm7201911.98  1VUSGSSA
2019-07-0921:47 UTCm62610 738.10NGVD291VUSGSSA
2019-07-0921:47 UTCm62611 737.85NAVD881VUSGSSA
2019-07-0921:47 UTCm7201911.90  1VUSGSSA
2020-06-2514:19 UTCm62610 737.73NGVD291VUSGSSA
2020-06-2514:19 UTCm62611 737.48NAVD881VUSGSSA
2020-06-2514:19 UTCm7201912.27  1VUSGSSA
2021-03-2417:14 UTCm62610 738.49NGVD291VUSGSSA
2021-03-2417:14 UTCm62611 738.24NAVD881VUSGSSA
2021-03-2417:14 UTCm7201911.51  1VUSGSSA
2021-05-1112:44 UTCm62610 737.76NGVD291VUSGSSA
2021-05-1112:44 UTCm62611 737.51NAVD881VUSGSSA
2021-05-1112:44 UTCm7201912.24  1VUSGSSA
2021-05-2613:52 UTCm62610 737.52NGVD291VUSGSSA
2021-05-2613:52 UTCm62611 737.27NAVD881VUSGSSA
2021-05-2613:52 UTCm7201912.48  1VUSGSSA
2024-06-1822:18 UTCm62610 738.10NGVD291VUSGSSA
2024-06-1822:18 UTCm62611 737.85NAVD881VUSGSSA
2024-06-1822:18 UTCm7201911.90  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
StatusThe reported water-level measurement represents a static level
Status1Static
Method of measurementTElectric-tape measurement.
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.