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Groundwater levels for the Nation

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USGS 421341088283701 43N6E-01.3b1 (15-COR-S)

Mchenry County, Illinois
Latitude  42°13'41", Longitude  88°28'37" NAD83
Land-surface elevation 851.14 feet above NAVD88
The depth of the well is 55.1 feet below land surface.
The depth of the hole is 125 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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Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
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Method of
measurement
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agency
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measurement
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Water-level
approval
status
2009-02-26 D62610 842.66NGVD291TUSGSSA
2009-02-26 D62611 842.50NAVD881TUSGSSA
2009-02-26 D720198.73  1TUSGSSA
2010-01-2217:16 UTCm62610 842.50NGVD291VUSGSSA
2010-01-2217:16 UTCm62611 842.34NAVD881VUSGSSA
2010-01-2217:16 UTCm720198.89  1VUSGSSA
2010-04-2815:22 UTCm62610 842.67NGVD291VUSGSSA
2010-04-2815:22 UTCm62611 842.51NAVD881VUSGSSA
2010-04-2815:22 UTCm720198.72  1VUSGSSA
2010-08-2517:49 UTCm62610 842.13NGVD291VUSGSSA
2010-08-2517:49 UTCm62611 841.97NAVD881VUSGSSA
2010-08-2517:49 UTCm720199.26  1VUSGSSA
2010-10-1414:07 UTCm62610 841.02NGVD291VUSGSSA
2010-10-1414:07 UTCm62611 840.86NAVD881VUSGSSA
2010-10-1414:07 UTCm7201910.37  1VUSGSSA
2010-10-2713:50 UTCm62610 840.95NGVD291VUSGSSA
2010-10-2713:50 UTCm62611 840.79NAVD881VUSGSSA
2010-10-2713:50 UTCm7201910.44  1VUSGSSA
2010-11-0917:44 UTCm62610 840.82NGVD291VUSGSSA
2010-11-0917:44 UTCm62611 840.66NAVD881VUSGSSA
2010-11-0917:44 UTCm7201910.57  1VUSGSSA
2011-02-2222:43 UTCm62610 842.22NGVD291VUSGSSA
2011-02-2222:43 UTCm62611 842.06NAVD881VUSGSSA
2011-02-2222:43 UTCm720199.17  1VUSGSSA
2011-05-2515:59 UTCm62610 843.28NGVD291VUSGSSA
2011-05-2515:59 UTCm62611 843.12NAVD881VUSGSSA
2011-05-2515:59 UTCm720198.11  1VUSGSSA
2011-08-0217:28 UTCm62610 843.22NGVD291VUSGSSA
2011-08-0217:28 UTCm62611 843.06NAVD881VUSGSSA
2011-08-0217:28 UTCm720198.17  1VUSGSSA
2011-10-1116:50 UTCm62610 842.16NGVD291VUSGSSA
2011-10-1116:50 UTCm62611 842.00NAVD881VUSGSSA
2011-10-1116:50 UTCm720199.23  1VUSGSSA
2011-12-1918:55 UTCm62610 843.24NGVD291VUSGSSA
2011-12-1918:55 UTCm62611 843.08NAVD881VUSGSSA
2011-12-1918:55 UTCm720198.15  1VUSGSSA
2012-01-1921:49 UTCm62610 842.54NGVD291VUSGSSA
2012-01-1921:49 UTCm62611 842.38NAVD881VUSGSSA
2012-01-1921:49 UTCm720198.85  1VUSGSSA
2012-03-0618:06 UTCm62610 842.94NGVD291VUSGSSA
2012-03-0618:06 UTCm62611 842.78NAVD881VUSGSSA
2012-03-0618:06 UTCm720198.45  1VUSGSSA
2012-10-0914:21 UTCm62610 839.42NGVD291VUSGSSA
2012-10-0914:21 UTCm62611 839.26NAVD881VUSGSSA
2012-10-0914:21 UTCm7201911.97  1VUSGSSA
2013-04-1516:21 UTCm62610 842.62NGVD291VUSGSSA
2013-04-1516:21 UTCm62611 842.46NAVD881VUSGSSA
2013-04-1516:21 UTCm720198.77  1VUSGSSA
2013-10-2417:15 UTCm62610 840.50NGVD291VUSGSSA
2013-10-2417:15 UTCm62611 840.34NAVD881VUSGSSA
2013-10-2417:15 UTCm7201910.89  1VUSGSSA
2014-04-1416:11 UTCm62610 842.93NGVD291VUSGSSA
2014-04-1416:11 UTCm62611 842.77NAVD881VUSGSSA
2014-04-1416:11 UTCm720198.46  1VUSGSSA
2014-10-0615:11 UTCm62610 840.86NGVD291VUSGSSA
2014-10-0615:11 UTCm62611 840.70NAVD881VUSGSSA
2014-10-0615:11 UTCm7201910.53  1VUSGSSA
2015-04-0614:00 UTCm62610 841.44NGVD291VUSGSSA
2015-04-0614:00 UTCm62611 841.28NAVD881VUSGSSA
2015-04-0614:00 UTCm720199.95  1VUSGSSA
2015-10-0614:55 UTCm62610 841.46NGVD291VUSGSSA
2015-10-0614:55 UTCm62611 841.30NAVD881VUSGSSA
2015-10-0614:55 UTCm720199.93  1VUSGSSA
2016-03-2915:44 UTCm62610 843.29NGVD291VUSGSSA
2016-03-2915:44 UTCm62611 843.13NAVD881VUSGSSA
2016-03-2915:44 UTCm720198.10  1VUSGSSA
2016-11-2917:46 UTCm62610 842.35NGVD291VUSGSSA
2016-11-2917:46 UTCm62611 842.19NAVD881VUSGSSA
2016-11-2917:46 UTCm720199.04  1VUSGSSA
2017-05-1819:54 UTCm62610 843.74NGVD291VUSGSSA
2017-05-1819:54 UTCm62611 843.58NAVD881VUSGSSA
2017-05-1819:54 UTCm720197.65  1VUSGSSA
2017-09-0620:16 UTCm62610 842.29NGVD291VUSGSSA
2017-09-0620:16 UTCm62611 842.13NAVD881VUSGSSA
2017-09-0620:16 UTCm720199.10  1VUSGSSA
2017-11-1518:11 UTCm62610 842.63NGVD291VUSGSSA
2017-11-1518:11 UTCm62611 842.47NAVD881VUSGSSA
2017-11-1518:11 UTCm720198.76  1VUSGSSA
2018-02-1518:13 UTCm62610 841.67NGVD291VUSGSSA
2018-02-1518:13 UTCm62611 841.51NAVD881VUSGSSA
2018-02-1518:13 UTCm720199.72  1VUSGSSA
2018-05-2315:42 UTCm62610 843.21NGVD291VUSGSSA
2018-05-2315:42 UTCm62611 843.05NAVD881VUSGSSA
2018-05-2315:42 UTCm720198.18  1VUSGSSA
2018-08-0615:35 UTCm62610 842.24NGVD291VUSGSSA
2018-08-0615:35 UTCm62611 842.08NAVD881VUSGSSA
2018-08-0615:35 UTCm720199.15  1VUSGSSA
2018-11-1616:36 UTCm62610 843.45NGVD291VUSGSSA
2018-11-1616:36 UTCm62611 843.29NAVD881VUSGSSA
2018-11-1616:36 UTCm720197.94  1VUSGSSA
2019-02-0719:16 UTCm62610 843.88NGVD291VUSGSSA
2019-02-0719:16 UTCm62611 843.72NAVD881VUSGSSA
2019-02-0719:16 UTCm720197.51  1VUSGSSA
2019-06-1114:39 UTCm62610 844.09NGVD291VUSGSSA
2019-06-1114:39 UTCm62611 843.93NAVD881VUSGSSA
2019-06-1114:39 UTCm720197.30  1VUSGSSA
2019-08-0616:20 UTCm62610 842.25NGVD291VUSGSSA
2019-08-0616:20 UTCm62611 842.09NAVD881VUSGSSA
2019-08-0616:20 UTCm720199.14  1VUSGSSA
2019-12-0315:53 UTCm62610 843.45NGVD291VUSGSSA
2019-12-0315:53 UTCm62611 843.29NAVD881VUSGSSA
2019-12-0315:53 UTCm720197.94  1VUSGSSA
2020-02-0414:21 UTCm62610 843.24NGVD291VUSGSSA
2020-02-0414:21 UTCm62611 843.08NAVD881VUSGSSA
2020-02-0414:21 UTCm720198.15  1VUSGSSA
2020-04-2116:16 UTCm62610 843.07NGVD291VUSGSSA
2020-04-2116:16 UTCm62611 842.91NAVD881VUSGSSA
2020-04-2116:16 UTCm720198.32  1VUSGSSA
2020-07-0714:36 UTCm62610 843.49NGVD291VUSGSSA
2020-07-0714:36 UTCm62611 843.33NAVD881VUSGSSA
2020-07-0714:36 UTCm720197.90  1VUSGSSA
2020-07-3016:53 UTCm62610 842.28NGVD291VUSGSSA
2020-07-3016:53 UTCm62611 842.12NAVD881VUSGSSA
2020-07-3016:53 UTCm720199.11  1VUSGSSA
2020-12-1419:16 UTCm62610 841.95NGVD291VUSGSSA
2020-12-1419:16 UTCm62611 841.79NAVD881VUSGSSA
2020-12-1419:16 UTCm720199.44  1VUSGSSA
2021-02-1019:31 UTCm62610 841.32NGVD291VUSGSSA
2021-02-1019:31 UTCm62611 841.16NAVD881VUSGSSA
2021-02-1019:31 UTCm7201910.07  1VUSGSSA
2021-05-1416:47 UTCm62610 841.71NGVD291VUSGSSA
2021-05-1416:47 UTCm62611 841.55NAVD881VUSGSSA
2021-05-1416:47 UTCm720199.68  1VUSGSSA
2021-08-1818:12 UTCm62610 841.38NGVD291VUSGSSA
2021-08-1818:12 UTCm62611 841.22NAVD881VUSGSSA
2021-08-1818:12 UTCm7201910.01  1VUSGSSA
2021-11-1916:57 UTCm62610 840.57NGVD291VUSGSSA
2021-11-1916:57 UTCm62611 840.41NAVD881VUSGSSA
2021-11-1916:57 UTCm7201910.82  1VUSGSSA
2021-11-2219:45 UTCm62610 840.57NGVD291VUSGSSA
2021-11-2219:45 UTCm62611 840.41NAVD881VUSGSSA
2021-11-2219:45 UTCm7201910.82  1VUSGSSA
2022-02-0915:46 UTCm62610 840.87NGVD291VUSGSSA
2022-02-0915:46 UTCm62611 840.71NAVD881VUSGSSA
2022-02-0915:46 UTCm7201910.52  1VUSGSSA
2022-06-1417:15 UTCm62610 842.71NGVD291VUSGSSA
2022-06-1417:15 UTCm62611 842.55NAVD881VUSGSSA
2022-06-1417:15 UTCm720198.68  1VUSGSSA
2022-08-2419:12 UTCm62610 841.88NGVD291VUSGSSA
2022-08-2419:12 UTCm62611 841.72NAVD881VUSGSSA
2022-08-2419:12 UTCm720199.51  1VUSGSSA
2022-11-1418:44 UTCm62610 841.18NGVD291VUSGSSA
2022-11-1418:44 UTCm62611 841.02NAVD881VUSGSSA
2022-11-1418:44 UTCm7201910.21  1VUSGSSA
2023-02-1418:55 UTCm62610 842.31NGVD291VUSGSSA
2023-02-1418:55 UTCm62611 842.15NAVD881VUSGSSA
2023-02-1418:55 UTCm720199.08  1VUSGSSA
2023-05-2318:11 UTCm62610 842.32NGVD291VUSGSSA
2023-05-2318:11 UTCm62611 842.16NAVD881VUSGSSA
2023-05-2318:11 UTCm720199.07  1VUSGSSA
2023-08-3119:41 UTCm62610 840.71NGVD291VUSGSSA
2023-08-3119:41 UTCm62611 840.55NAVD881VUSGSSA
2023-08-3119:41 UTCm7201910.59  1VUSGSSA
2023-12-0620:42 UTCm62610 841.23NGVD291VUSGSSA
2023-12-0620:42 UTCm62611 841.07NAVD881VUSGSSA
2023-12-0620:42 UTCm7201910.07  1VUSGSSA
2024-03-2615:32 UTCm62610 842.89NGVD291VUSGSSA
2024-03-2615:32 UTCm62611 842.73NAVD881VUSGSSA
2024-03-2615:32 UTCm720198.41  1VUSGSSA
2024-07-1116:57 UTCm62610 842.65NGVD291VUSGSSA
2024-07-1116:57 UTCm62611 842.49NAVD881VUSGSSA
2024-07-1116:57 UTCm720198.65  1VUSGSSA
2024-10-2818:18 UTCm62610 840.73NGVD291VUSGSSP
2024-10-2818:18 UTCm62611 840.57NAVD881VUSGSSP
2024-10-2818:18 UTCm7201910.57  1VUSGSSP
2024-11-1818:23 UTCm62610 840.84NGVD291VUSGSSP
2024-11-1818:23 UTCm62611 840.68NAVD881VUSGSSP
2024-11-1818:23 UTCm7201910.46  1VUSGSSP

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 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.
Water-level approval statusPProvisional data subject to revision.