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Groundwater levels for the Nation

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  • 422848088191002
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USGS 422848088191002 46N8E-08.2e2 (4-RCH-I)

Mchenry County, Illinois
Latitude  42°28'48", Longitude  88°19'10" NAD83
Land-surface elevation 844.36 feet above NAVD88
The depth of the well is 98.3 feet below land surface.
The depth of the hole is 178 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
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feet
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feet
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specific
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datum
Referenced
vertical
datum
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2009-02-2522:25 UTCm62610 834.87NGVD291SIL050AA
2009-02-2522:25 UTCm62611 834.63NAVD881SIL050AA
2009-02-2522:25 UTCm720199.52  1SIL050AA
2010-01-1918:36 UTCm62610 833.89NGVD291VUSGSSA
2010-01-1918:36 UTCm62611 833.65NAVD881VUSGSSA
2010-01-1918:36 UTCm7201910.50  1VUSGSSA
2010-04-2719:26 UTCm62610 835.50NGVD291VUSGSSA
2010-04-2719:26 UTCm62611 835.26NAVD881VUSGSSA
2010-04-2719:26 UTCm720198.89  1VUSGSSA
2010-08-2516:05 UTCm62610 834.31NGVD291VUSGSSA
2010-08-2516:05 UTCm62611 834.07NAVD881VUSGSSA
2010-08-2516:05 UTCm7201910.08  1VUSGSSA
2010-11-0216:24 UTCm62610 830.77NGVD291VUSGSSA
2010-11-0216:24 UTCm62611 830.53NAVD881VUSGSSA
2010-11-0216:24 UTCm7201913.62  1VUSGSSA
2010-11-0218:39 UTCm62610 830.62NGVD291VUSGSSA
2010-11-0218:39 UTCm62611 830.38NAVD881VUSGSSA
2010-11-0218:39 UTCm7201913.77  1VUSGSSA
2011-02-2419:58 UTCm62610 829.30NGVD291VUSGSSA
2011-02-2419:58 UTCm62611 829.06NAVD881VUSGSSA
2011-02-2419:58 UTCm7201915.09  1VUSGSSA
2011-05-2616:35 UTCm62610 834.85NGVD291VUSGSSA
2011-05-2616:35 UTCm62611 834.61NAVD881VUSGSSA
2011-05-2616:35 UTCm720199.54  1VUSGSSA
2011-08-0121:59 UTCm62610 834.29NGVD291VUSGSSA
2011-08-0121:59 UTCm62611 834.05NAVD881VUSGSSA
2011-08-0121:59 UTCm7201910.10  1VUSGSSA
2011-10-1223:17 UTCm62610 832.79NGVD291VUSGSSA
2011-10-1223:17 UTCm62611 832.55NAVD881VUSGSSA
2011-10-1223:17 UTCm7201911.60  1VUSGSSA
2012-03-0721:45 UTCm62610 832.34NGVD291VUSGSSA
2012-03-0721:45 UTCm62611 832.10NAVD881VUSGSSA
2012-03-0721:45 UTCm7201912.05  1VUSGSSA
2012-08-2817:46 UTCm62610 828.13NGVD291VUSGSSA
2012-08-2817:46 UTCm62611 827.89NAVD881VUSGSSA
2012-08-2817:46 UTCm7201916.26  1VUSGSSA
2012-10-1119:43 UTCm62610 827.36NGVD291VUSGSSA
2012-10-1119:43 UTCm62611 827.12NAVD881VUSGSSA
2012-10-1119:43 UTCm7201917.03  1VUSGSSA
2013-04-2422:15 UTCm62610 833.92NGVD291VUSGSSA
2013-04-2422:15 UTCm62611 833.68NAVD881VUSGSSA
2013-04-2422:15 UTCm7201910.47  1VUSGSSA
2013-07-1116:41 UTCm62610 835.19NGVD291VUSGSSA
2013-07-1116:41 UTCm62611 834.95NAVD881VUSGSSA
2013-07-1116:41 UTCm720199.20  1VUSGSSA
2013-10-2318:31 UTCm62610 829.69NGVD291VUSGSSA
2013-10-2318:31 UTCm62611 829.45NAVD881VUSGSSA
2013-10-2318:31 UTCm7201914.70  1VUSGSSA
2014-04-1520:12 UTCm62610 831.50NGVD291VUSGSSA
2014-04-1520:12 UTCm62611 831.26NAVD881VUSGSSA
2014-04-1520:12 UTCm7201912.89  1VUSGSSA
2014-10-0619:33 UTCm62610 832.90NGVD291VUSGSSA
2014-10-0619:33 UTCm62611 832.66NAVD881VUSGSSA
2014-10-0619:33 UTCm7201911.49  1VUSGSSA
2014-10-1418:16 UTCm62610 832.57NGVD291VUSGSSA
2014-10-1418:16 UTCm62611 832.33NAVD881VUSGSSA
2014-10-1418:16 UTCm7201911.82  1VUSGSSA
2014-12-0415:33 UTCm62610 830.75NGVD291VUSGSSA
2014-12-0415:33 UTCm62611 830.51NAVD881VUSGSSA
2014-12-0415:33 UTCm7201913.64  1VUSGSSA
2015-04-0214:02 UTCm62610 830.10NGVD291VUSGSSA
2015-04-0214:02 UTCm62611 829.86NAVD881VUSGSSA
2015-04-0214:02 UTCm7201914.29  1VUSGSSA
2015-04-1413:46 UTCm62610 830.74NGVD291VUSGSSA
2015-04-1413:46 UTCm62611 830.50NAVD881VUSGSSA
2015-04-1413:46 UTCm7201913.65  1VUSGSSA
2015-06-0218:26 UTCm62610 831.49NGVD291VUSGSSA
2015-06-0218:26 UTCm62611 831.25NAVD881VUSGSSA
2015-06-0218:26 UTCm7201912.90  1VUSGSSA
2015-10-0713:36 UTCm62610 832.31NGVD291VUSGSSA
2015-10-0713:36 UTCm62611 832.07NAVD881VUSGSSA
2015-10-0713:36 UTCm7201912.08  1VUSGSSA
2016-04-1415:47 UTCm62610 837.16NGVD291VUSGSSA
2016-04-1415:47 UTCm62611 836.92NAVD881VUSGSSA
2016-04-1415:47 UTCm720197.23  1VUSGSSA
2016-12-0117:36 UTCm62610 829.55NGVD291VUSGSSA
2016-12-0117:36 UTCm62611 829.31NAVD881VUSGSSA
2016-12-0117:36 UTCm7201914.84  1VUSGSSA
2017-04-2517:00 UTCm62610 836.64NGVD291VUSGSSA
2017-04-2517:00 UTCm62611 836.40NAVD881VUSGSSA
2017-04-2517:00 UTCm720197.75  1VUSGSSA
2017-08-2817:13 UTCm62610 836.86NGVD291VUSGSSA
2017-08-2817:13 UTCm62611 836.62NAVD881VUSGSSA
2017-08-2817:13 UTCm720197.53  1VUSGSSA
2017-11-1317:19 UTCm62610 831.55NGVD291VUSGSSA
2017-11-1317:19 UTCm62611 831.31NAVD881VUSGSSA
2017-11-1317:19 UTCm7201912.84  1VUSGSSA
2018-01-1017:31 UTCm62610 829.42NGVD291VUSGSSA
2018-01-1017:31 UTCm62611 829.18NAVD881VUSGSSA
2018-01-1017:31 UTCm7201914.97  1VUSGSSA
2018-02-1416:08 UTCm62610 829.17NGVD291VUSGSSA
2018-02-1416:08 UTCm62611 828.93NAVD881VUSGSSA
2018-02-1416:08 UTCm7201915.22  1VUSGSSA
2018-03-1216:29 UTCm62610 830.50NGVD291VUSGSSA
2018-03-1216:29 UTCm62611 830.26NAVD881VUSGSSA
2018-03-1216:29 UTCm7201913.89  1VUSGSSA
2018-03-2817:47 UTCm62610 830.03NGVD291VUSGSSA
2018-03-2817:47 UTCm62611 829.79NAVD881VUSGSSA
2018-03-2817:47 UTCm7201914.36  1VUSGSSA
2018-04-0619:58 UTCm62610 829.68NGVD291VUSGSSA
2018-04-0619:58 UTCm62611 829.44NAVD881VUSGSSA
2018-04-0619:58 UTCm7201914.71  1VUSGSSA
2018-04-0918:41 UTCm62610 829.52NGVD291VUSGSSA
2018-04-0918:41 UTCm62611 829.28NAVD881VUSGSSA
2018-04-0918:41 UTCm7201914.87  1VUSGSSA
2018-05-0714:46 UTCm62610 830.78NGVD291VUSGSSA
2018-05-0714:46 UTCm62611 830.54NAVD881VUSGSSA
2018-05-0714:46 UTCm7201913.61  1VUSGSSA
2018-08-1518:50 UTCm62610 832.36NGVD291VUSGSSA
2018-08-1518:50 UTCm62611 832.12NAVD881VUSGSSA
2018-08-1518:50 UTCm7201912.03  1VUSGSSA
2018-11-1417:16 UTCm62610 828.80NGVD291VUSGSSA
2018-11-1417:16 UTCm62611 828.56NAVD881VUSGSSA
2018-11-1417:16 UTCm7201915.59  1VUSGSSA
2019-02-2116:41 UTCm62610 830.46NGVD291VUSGSSA
2019-02-2116:41 UTCm62611 830.22NAVD881VUSGSSA
2019-02-2116:41 UTCm7201913.93  1VUSGSSA
2019-05-0718:07 UTCm62610 831.11NGVD291VUSGSSA
2019-05-0718:07 UTCm62611 830.87NAVD881VUSGSSA
2019-05-0718:07 UTCm7201913.28  1VUSGSSA
2019-08-0714:32 UTCm62610 832.57NGVD291VUSGSSA
2019-08-0714:32 UTCm62611 832.33NAVD881VUSGSSA
2019-08-0714:32 UTCm7201911.82  1VUSGSSA
2019-11-1916:33 UTCm62610 838.12NGVD291VUSGSSA
2019-11-1916:33 UTCm62611 837.88NAVD881VUSGSSA
2019-11-1916:33 UTCm720196.27  1VUSGSSA
2020-02-2814:59 UTCm62610 834.88NGVD291VUSGSSA
2020-02-2814:59 UTCm62611 834.64NAVD881VUSGSSA
2020-02-2814:59 UTCm720199.51  1VUSGSSA
2020-04-2418:12 UTCm62610 837.97NGVD291VUSGSSA
2020-04-2418:12 UTCm62611 837.73NAVD881VUSGSSA
2020-04-2418:12 UTCm720196.42  1VUSGSSA
2020-07-0814:26 UTCm62610 838.30NGVD291VUSGSSA
2020-07-0814:26 UTCm62611 838.06NAVD881VUSGSSA
2020-07-0814:26 UTCm720196.09  1VUSGSSA
2020-08-2716:42 UTCm62610 835.95NGVD291VUSGSSA
2020-08-2716:42 UTCm62611 835.71NAVD881VUSGSSA
2020-08-2716:42 UTCm720198.44  1VUSGSSA
2020-12-1517:37 UTCm62610 831.65NGVD291VUSGSSA
2020-12-1517:37 UTCm62611 831.41NAVD881VUSGSSA
2020-12-1517:37 UTCm7201912.74  1VUSGSSA
2021-02-0917:18 UTCm62610 830.83NGVD291VUSGSSA
2021-02-0917:18 UTCm62611 830.59NAVD881VUSGSSA
2021-02-0917:18 UTCm7201913.56  1VUSGSSA
2021-05-0518:46 UTCm62610 832.47NGVD291VUSGSSA
2021-05-0518:46 UTCm62611 832.23NAVD881VUSGSSA
2021-05-0518:46 UTCm7201911.92  1VUSGSSA
2021-08-2714:48 UTCm62610 828.49NGVD291VUSGSSA
2021-08-2714:48 UTCm62611 828.25NAVD881VUSGSSA
2021-08-2714:48 UTCm7201915.90  1VUSGSSA
2021-11-1720:32 UTCm62610 827.99NGVD291VUSGSSA
2021-11-1720:32 UTCm62611 827.75NAVD881VUSGSSA
2021-11-1720:32 UTCm7201916.40  1VUSGSSA
2022-02-0919:02 UTCm62610 827.21NGVD291VUSGSSA
2022-02-0919:02 UTCm62611 826.97NAVD881VUSGSSA
2022-02-0919:02 UTCm7201917.18  1VUSGSSA
2022-04-2521:20 UTCm62610 829.25NGVD291VUSGSSA
2022-04-2521:20 UTCm62611 829.01NAVD881VUSGSSA
2022-04-2521:20 UTCm7201915.14  1VUSGSSA
2022-04-2622:18 UTCm62610 829.29NGVD291VUSGSSA
2022-04-2622:18 UTCm62611 829.05NAVD881VUSGSSA
2022-04-2622:18 UTCm7201915.10  1VUSGSSA
2022-05-2418:00 UTCm62610 831.84NGVD291VUSGSSA
2022-05-2418:00 UTCm62611 831.60NAVD881VUSGSSA
2022-05-2418:00 UTCm7201912.55  1VUSGSSA
2022-09-1918:30 UTCm62610 829.33NGVD291VUSGSSA
2022-09-1918:30 UTCm62611 829.09NAVD881VUSGSSA
2022-09-1918:30 UTCm7201915.06  1VUSGSSA
2023-01-1219:33 UTCm62610 828.64NGVD291VUSGSSA
2023-01-1219:33 UTCm62611 828.40NAVD881VUSGSSA
2023-01-1219:33 UTCm7201915.75  1VUSGSSA
2023-04-1920:05 UTCm62610 836.08NGVD291VUSGSSA
2023-04-1920:05 UTCm62611 835.84NAVD881VUSGSSA
2023-04-1920:05 UTCm720198.31  1VUSGSSA
2023-08-0119:36 UTCm62610 830.31NGVD291VUSGSSA
2023-08-0119:36 UTCm62611 830.07NAVD881VUSGSSA
2023-08-0119:36 UTCm7201914.29  1VUSGSSA
2023-11-1620:05 UTCm62610 828.96NGVD291VUSGSSA
2023-11-1620:05 UTCm62611 828.72NAVD881VUSGSSA
2023-11-1620:05 UTCm7201915.64  1VUSGSSA
2024-02-1421:15 UTCm62610 831.04NGVD291VUSGSSA
2024-02-1421:15 UTCm62611 830.80NAVD881VUSGSSA
2024-02-1421:15 UTCm7201913.56  1VUSGSSA
2024-05-2218:11 UTCm62610 836.02NGVD291VUSGSSP
2024-05-2218:11 UTCm62611 835.78NAVD881VUSGSSP
2024-05-2218:11 UTCm720198.58  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.