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Groundwater levels for the Nation

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USGS 422845088285401 46N6E-12.5d (HEBR-09-03)

Mchenry County, Illinois
Latitude  42°28'44.84", Longitude  88°28'53.85" NAD83
Land-surface elevation 953.64 feet above NAVD88
The depth of the well is 120.6 feet below land surface.
The depth of the hole is 234 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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Water-level
date-time
accuracy
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Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
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Status
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Method of
measurement
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Measuring
agency
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measurement
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Water-level
approval
status
2009-09-1119:46 UTCm62610 925.98NGVD291TIL050AA
2009-09-1119:46 UTCm62611 925.78NAVD881TIL050AA
2009-09-1119:46 UTCm7201923.22  1TIL050AA
2010-01-1920:08 UTCm62610 926.46NGVD291VUSGSSA
2010-01-1920:08 UTCm62611 926.26NAVD881VUSGSSA
2010-01-1920:08 UTCm7201922.74  1VUSGSSA
2010-04-2720:46 UTCm62610 926.80NGVD291SUSGSSA
2010-04-2720:46 UTCm62611 926.60NAVD881SUSGSSA
2010-04-2720:46 UTCm7201922.40  1SUSGSSA
2010-11-1719:44 UTCm62610 923.16NGVD291VUSGSSA
2010-11-1719:44 UTCm62611 922.96NAVD881VUSGSSA
2010-11-1719:44 UTCm7201926.04  1VUSGSSA
2011-02-2421:54 UTCm62610 923.27NGVD291VUSGSSA
2011-02-2421:54 UTCm62611 923.07NAVD881VUSGSSA
2011-02-2421:54 UTCm7201925.93  1VUSGSSA
2011-05-2618:01 UTCm62610 925.56NGVD291VUSGSSA
2011-05-2618:01 UTCm62611 925.36NAVD881VUSGSSA
2011-05-2618:01 UTCm7201923.64  1VUSGSSA
2011-08-0122:32 UTCm62610 924.65NGVD291VUSGSSA
2011-08-0122:32 UTCm62611 924.45NAVD881VUSGSSA
2011-08-0122:32 UTCm7201924.55  1VUSGSSA
2011-10-1315:04 UTCm62610 923.86NGVD291VUSGSSA
2011-10-1315:04 UTCm62611 923.66NAVD881VUSGSSA
2011-10-1315:04 UTCm7201925.34  1VUSGSSA
2012-03-0820:53 UTCm62610 924.50NGVD291VUSGSSA
2012-03-0820:53 UTCm62611 924.30NAVD881VUSGSSA
2012-03-0820:53 UTCm7201924.70  1VUSGSSA
2012-10-1116:51 UTCm62610 920.21NGVD291VUSGSSA
2012-10-1116:51 UTCm62611 920.01NAVD881VUSGSSA
2012-10-1116:51 UTCm7201928.99  1VUSGSSA
2013-04-2512:50 UTCm62610 924.94NGVD291VUSGSSA
2013-04-2512:50 UTCm62611 924.74NAVD881VUSGSSA
2013-04-2512:50 UTCm7201924.26  1VUSGSSA
2013-10-2316:21 UTCm62610 922.16NGVD291VUSGSSA
2013-10-2316:21 UTCm62611 921.96NAVD881VUSGSSA
2013-10-2316:21 UTCm7201927.04  1VUSGSSA
2014-04-1521:11 UTCm62610 923.45NGVD291VUSGSSA
2014-04-1521:11 UTCm62611 923.25NAVD881VUSGSSA
2014-04-1521:11 UTCm7201925.75  1VUSGSSA
2014-10-0715:18 UTCm62610 924.02NGVD291VUSGSSA
2014-10-0715:18 UTCm62611 923.82NAVD881VUSGSSA
2014-10-0715:18 UTCm7201925.18  1VUSGSSA
2015-04-0713:55 UTCm62610 922.82NGVD291VUSGSSA
2015-04-0713:55 UTCm62611 922.62NAVD881VUSGSSA
2015-04-0713:55 UTCm7201926.38  1VUSGSSA
2015-10-0716:07 UTCm62610 923.37NGVD291VUSGSSA
2015-10-0716:07 UTCm62611 923.17NAVD881VUSGSSA
2015-10-0716:07 UTCm7201925.83  1VUSGSSA
2016-04-1417:55 UTCm62610 926.87NGVD291VUSGSSA
2016-04-1417:55 UTCm62611 926.67NAVD881VUSGSSA
2016-04-1417:55 UTCm7201922.33  1VUSGSSA
2017-04-1120:19 UTCm62610 925.20NGVD291VUSGSSA
2017-04-1120:19 UTCm62611 925.00NAVD881VUSGSSA
2017-04-1120:19 UTCm7201924.00  1VUSGSSA
2017-08-3019:48 UTCm62610 927.06NGVD291VUSGSSA
2017-08-3019:48 UTCm62611 926.86NAVD881VUSGSSA
2017-08-3019:48 UTCm7201922.14  1VUSGSSA
2017-11-1617:47 UTCm62610 924.22NGVD291VUSGSSA
2017-11-1617:47 UTCm62611 924.02NAVD881VUSGSSA
2017-11-1617:47 UTCm7201924.98  1VUSGSSA
2018-01-1018:38 UTCm62610 922.96NGVD291VUSGSSA
2018-01-1018:38 UTCm62611 922.76NAVD881VUSGSSA
2018-01-1018:38 UTCm7201926.24  1VUSGSSA
2018-02-2219:13 UTCm62610 923.12NGVD291VUSGSSA
2018-02-2219:13 UTCm62611 922.92NAVD881VUSGSSA
2018-02-2219:13 UTCm7201926.08  1VUSGSSA
2018-04-0617:34 UTCm62610 923.18NGVD291VUSGSSA
2018-04-0617:34 UTCm62611 922.98NAVD881VUSGSSA
2018-04-0617:34 UTCm7201926.02  1VUSGSSA
2018-04-2015:34 UTCm62610 922.92NGVD291VUSGSSA
2018-04-2015:34 UTCm62611 922.72NAVD881VUSGSSA
2018-04-2015:34 UTCm7201926.28  1VUSGSSA
2018-05-0214:42 UTCm62610 923.19NGVD291VUSGSSA
2018-05-0214:42 UTCm62611 922.99NAVD881VUSGSSA
2018-05-0214:42 UTCm7201926.01  1VUSGSSA
2018-08-3016:28 UTCm62610 925.42NGVD291VUSGSSA
2018-08-3016:28 UTCm62611 925.22NAVD881VUSGSSA
2018-08-3016:28 UTCm7201923.78  1VUSGSSA
2018-11-1316:13 UTCm62610 927.60NGVD291VUSGSSA
2018-11-1316:13 UTCm62611 927.40NAVD881VUSGSSA
2018-11-1316:13 UTCm7201921.60  1VUSGSSA
2019-02-1417:39 UTCm62610 928.07NGVD291VUSGSSA
2019-02-1417:39 UTCm62611 927.87NAVD881VUSGSSA
2019-02-1417:39 UTCm7201921.13  1VUSGSSA
2019-06-0716:00 UTCm62610 928.70NGVD291VUSGSSA
2019-06-0716:00 UTCm62611 928.50NAVD881VUSGSSA
2019-06-0716:00 UTCm7201920.50  1VUSGSSA
2019-09-0418:13 UTCm62610 926.32NGVD291VUSGSSA
2019-09-0418:13 UTCm62611 926.12NAVD881VUSGSSA
2019-09-0418:13 UTCm7201922.88  1VUSGSSA
2019-11-2217:41 UTCm62610 929.17NGVD291VUSGSSA
2019-11-2217:41 UTCm62611 928.97NAVD881VUSGSSA
2019-11-2217:41 UTCm7201920.03  1VUSGSSA
2020-02-1817:04 UTCm62610 927.32NGVD291VUSGSSA
2020-02-1817:04 UTCm62611 927.12NAVD881VUSGSSA
2020-02-1817:04 UTCm7201921.88  1VUSGSSA
2020-04-2217:57 UTCm62610 927.52NGVD291VUSGSSA
2020-04-2217:57 UTCm62611 927.32NAVD881VUSGSSA
2020-04-2217:57 UTCm7201921.68  1VUSGSSA
2020-05-2615:48 UTCm62610 929.30NGVD291VUSGSSA
2020-05-2615:48 UTCm62611 929.10NAVD881VUSGSSA
2020-05-2615:48 UTCm7201919.90  1VUSGSSA
2020-07-0914:15 UTCm62610 926.24NGVD291VUSGSSA
2020-07-0914:15 UTCm62611 926.04NAVD881VUSGSSA
2020-07-0914:15 UTCm7201922.96  1VUSGSSA
2020-07-3014:46 UTCm62610 925.66NGVD291VUSGSSA
2020-07-3014:46 UTCm62611 925.46NAVD881VUSGSSA
2020-07-3014:46 UTCm7201923.54  1VUSGSSA
2020-11-1819:32 UTCm62610 923.60NGVD291VUSGSSA
2020-11-1819:32 UTCm62611 923.40NAVD881VUSGSSA
2020-11-1819:32 UTCm7201925.60  1VUSGSSA
2021-02-0918:15 UTCm62610 922.88NGVD291VUSGSSA
2021-02-0918:15 UTCm62611 922.68NAVD881VUSGSSA
2021-02-0918:15 UTCm7201926.32  1VUSGSSA
2021-05-0515:53 UTCm62610 923.77NGVD291VUSGSSA
2021-05-0515:53 UTCm62611 923.57NAVD881VUSGSSA
2021-05-0515:53 UTCm7201925.43  1VUSGSSA
2021-09-2717:49 UTCm62610 921.61NGVD291VUSGSSA
2021-09-2717:49 UTCm62611 921.41NAVD881VUSGSSA
2021-09-2717:49 UTCm7201927.59  1VUSGSSA
2021-11-1615:38 UTCm62610 921.19NGVD291VUSGSSA
2021-11-1615:38 UTCm62611 920.99NAVD881VUSGSSA
2021-11-1615:38 UTCm7201928.01  1VUSGSSA
2022-02-0421:11 UTCm62610 920.53NGVD291VUSGSSA
2022-02-0421:11 UTCm62611 920.33NAVD881VUSGSSA
2022-02-0421:11 UTCm7201928.67  1VUSGSSA
2022-05-3120:16 UTCm62610 924.91NGVD291VUSGSSA
2022-05-3120:16 UTCm62611 924.71NAVD881VUSGSSA
2022-05-3120:16 UTCm7201924.29  1VUSGSSA
2022-09-2617:49 UTCm62610 923.07NGVD291VUSGSSA
2022-09-2617:49 UTCm62611 922.87NAVD881VUSGSSA
2022-09-2617:49 UTCm7201926.13  1VUSGSSA
2023-01-2400:10 UTCm62610 922.63NGVD291VUSGSSA
2023-01-2400:10 UTCm62611 922.43NAVD881VUSGSSA
2023-01-2400:10 UTCm7201926.57  1VUSGSSA
2023-04-2819:26 UTCm62610 926.41NGVD291VUSGSSA
2023-04-2819:26 UTCm62611 926.21NAVD881VUSGSSA
2023-04-2819:26 UTCm7201922.79  1VUSGSSA
2023-07-1118:01 UTCm62610 927.85NGVD291VUSGSSA
2023-07-1118:01 UTCm62611 927.65NAVD881VUSGSSA
2023-07-1118:01 UTCm7201925.99  1VUSGSSA
2023-10-2319:09 UTCm62610 926.14NGVD291VUSGSSA
2023-10-2319:09 UTCm62611 925.94NAVD881VUSGSSA
2023-10-2319:09 UTCm7201927.70  1VUSGSSA
2024-02-0120:04 UTCm62610 927.41NGVD291VUSGSSA
2024-02-0120:04 UTCm62611 927.21NAVD881VUSGSSA
2024-02-0120:04 UTCm7201926.43  1VUSGSSA
2024-05-0817:19 UTCm62610 931.46NGVD291VUSGSSA
2024-05-0817:19 UTCm62611 931.26NAVD881VUSGSSA
2024-05-0817:19 UTCm7201922.38  1VUSGSSA
2024-08-2319:54 UTCm62610 930.24NGVD291VUSGSSP
2024-08-2319:54 UTCm62611 930.04NAVD881VUSGSSP
2024-08-2319:54 UTCm7201923.60  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 measurementTElectric-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.