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Groundwater levels for the Nation

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  • 421120088281801
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USGS 421120088281801 43N7E-19.8d (HUNT-09-03)

Mchenry County, Illinois
Latitude  42°11'19.94", Longitude  88°28'18.14" NAD83
Land-surface elevation 881.12 feet above NAVD88
The depth of the well is 150.7 feet below land surface.
The depth of the hole is 189 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
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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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2009-09-1116:38 UTCm62610 850.66NGVD291TIL050AA
2009-09-1116:38 UTCm62611 850.50NAVD881TIL050AA
2009-09-1116:38 UTCm7201927.50  1TIL050AA
2010-01-2217:47 UTCm62610 852.88NGVD291VUSGSSA
2010-01-2217:47 UTCm62611 852.72NAVD881VUSGSSA
2010-01-2217:47 UTCm7201925.28  1VUSGSSA
2010-04-2816:00 UTCm62610 852.88NGVD291VUSGSSA
2010-04-2816:00 UTCm62611 852.72NAVD881VUSGSSA
2010-04-2816:00 UTCm7201925.28  1VUSGSSA
2010-08-2514:00 UTCm62610 852.23NGVD291VUSGSSA
2010-08-2514:00 UTCm62611 852.07NAVD881VUSGSSA
2010-08-2514:00 UTCm7201925.93  1VUSGSSA
2010-10-2619:34 UTCm62610 849.87NGVD291VUSGSSA
2010-10-2619:34 UTCm62611 849.71NAVD881VUSGSSA
2010-10-2619:34 UTCm7201928.29  1VUSGSSA
2010-11-0916:54 UTCm62610 849.91NGVD291VUSGSSA
2010-11-0916:54 UTCm62611 849.75NAVD881VUSGSSA
2010-11-0916:54 UTCm7201928.25  1VUSGSSA
2011-02-2223:33 UTCm62610 851.12NGVD291VUSGSSA
2011-02-2223:33 UTCm62611 850.96NAVD881VUSGSSA
2011-02-2223:33 UTCm7201927.04  1VUSGSSA
2011-05-2516:33 UTCm62610 853.13NGVD291VUSGSSA
2011-05-2516:33 UTCm62611 852.97NAVD881VUSGSSA
2011-05-2516:33 UTCm7201925.03  1VUSGSSA
2011-06-1417:08 UTCm62610 854.26NGVD291VUSGSSA
2011-06-1417:08 UTCm62611 854.10NAVD881VUSGSSA
2011-06-1417:08 UTCm7201923.90  1VUSGSSA
2011-08-0218:07 UTCm62610 853.31NGVD291VUSGSSA
2011-08-0218:07 UTCm62611 853.15NAVD881VUSGSSA
2011-08-0218:07 UTCm7201924.85  1VUSGSSA
2011-10-1117:44 UTCm62610 851.76NGVD291VUSGSSA
2011-10-1117:44 UTCm62611 851.60NAVD881VUSGSSA
2011-10-1117:44 UTCm7201926.40  1VUSGSSA
2012-03-0618:51 UTCm62610 853.34NGVD291VUSGSSA
2012-03-0618:51 UTCm62611 853.18NAVD881VUSGSSA
2012-03-0618:51 UTCm7201924.82  1VUSGSSA
2012-07-2619:06 UTCm62610 848.73NGVD291VUSGSSA
2012-07-2619:06 UTCm62611 848.57NAVD881VUSGSSA
2012-07-2619:06 UTCm7201929.43  1VUSGSSA
2012-07-3115:56 UTCm62610 848.28NGVD291VUSGSSA
2012-07-3115:56 UTCm62611 848.12NAVD881VUSGSSA
2012-07-3115:56 UTCm7201929.88  1VUSGSSA
2012-10-0915:15 UTCm62610 847.01NGVD291VUSGSSA
2012-10-0915:15 UTCm62611 846.85NAVD881VUSGSSA
2012-10-0915:15 UTCm7201931.15  1VUSGSSA
2013-01-2916:03 UTCm62610 847.13NGVD291VUSGSSA
2013-01-2916:03 UTCm62611 846.97NAVD881VUSGSSA
2013-01-2916:03 UTCm7201931.03  1VUSGSSA
2013-04-1517:26 UTCm62610 851.31NGVD291VUSGSSA
2013-04-1517:26 UTCm62611 851.15NAVD881VUSGSSA
2013-04-1517:26 UTCm7201926.85  1VUSGSSA
2013-10-2416:40 UTCm62610 848.70NGVD291VUSGSSA
2013-10-2416:40 UTCm62611 848.54NAVD881VUSGSSA
2013-10-2416:40 UTCm7201929.46  1VUSGSSA
2014-04-1417:10 UTCm62610 851.96NGVD291VUSGSSA
2014-04-1417:10 UTCm62611 851.80NAVD881VUSGSSA
2014-04-1417:10 UTCm7201926.20  1VUSGSSA
2014-10-0615:54 UTCm62610 849.16NGVD291VUSGSSA
2014-10-0615:54 UTCm62611 849.00NAVD881VUSGSSA
2014-10-0615:54 UTCm7201929.00  1VUSGSSA
2015-04-0614:37 UTCm62610 850.04NGVD291VUSGSSA
2015-04-0614:37 UTCm62611 849.88NAVD881VUSGSSA
2015-04-0614:37 UTCm7201928.12  1VUSGSSA
2015-10-0615:42 UTCm62610 849.88NGVD291VUSGSSA
2015-10-0615:42 UTCm62611 849.72NAVD881VUSGSSA
2015-10-0615:42 UTCm7201928.28  1VUSGSSA
2016-03-2916:46 UTCm62610 853.91NGVD291VUSGSSA
2016-03-2916:46 UTCm62611 853.75NAVD881VUSGSSA
2016-03-2916:46 UTCm7201924.25  1VUSGSSA
2017-05-1819:00 UTCm62610 854.87NGVD291VUSGSSA
2017-05-1819:00 UTCm62611 854.71NAVD881VUSGSSA
2017-05-1819:00 UTCm7201923.29  1VUSGSSA
2017-09-1320:39 UTCm62610 851.25NGVD291VUSGSSA
2017-09-1320:39 UTCm62611 851.09NAVD881VUSGSSA
2017-09-1320:39 UTCm7201926.91  1VUSGSSA
2017-09-2919:37 UTCm62610 850.26NGVD291VUSGSSA
2017-09-2919:37 UTCm62611 850.10NAVD881VUSGSSA
2017-09-2919:37 UTCm7201927.90  1VUSGSSA
2017-12-1917:41 UTCm62610 852.12NGVD291VUSGSSA
2017-12-1917:41 UTCm62611 851.96NAVD881VUSGSSA
2017-12-1917:41 UTCm7201926.04  1VUSGSSA
2018-01-0516:24 UTCm62610 851.49NGVD291VUSGSSA
2018-01-0516:24 UTCm62611 851.33NAVD881VUSGSSA
2018-01-0516:24 UTCm7201926.67  1VUSGSSA
2018-01-0817:05 UTCm62610 851.48NGVD291VUSGSSA
2018-01-0817:05 UTCm62611 851.32NAVD881VUSGSSA
2018-01-0817:05 UTCm7201926.68  1VUSGSSA
2018-02-1519:09 UTCm62610 851.68NGVD291VUSGSSA
2018-02-1519:09 UTCm62611 851.52NAVD881VUSGSSA
2018-02-1519:09 UTCm7201926.48  1VUSGSSA
2018-05-2316:27 UTCm62610 852.32NGVD291VUSGSSA
2018-05-2316:27 UTCm62611 852.16NAVD881VUSGSSA
2018-05-2316:27 UTCm7201925.84  1VUSGSSA
2018-08-2813:38 UTCm62610 849.75NGVD291VUSGSSA
2018-08-2813:38 UTCm62611 849.59NAVD881VUSGSSA
2018-08-2813:38 UTCm7201928.41  1VUSGSSA
2018-11-0514:50 UTCm62610 853.66NGVD291VUSGSSA
2018-11-0514:50 UTCm62611 853.50NAVD881VUSGSSA
2018-11-0514:50 UTCm7201924.50  1VUSGSSA
2019-02-0718:47 UTCm62610 854.60NGVD291VUSGSSA
2019-02-0718:47 UTCm62611 854.44NAVD881VUSGSSA
2019-02-0718:47 UTCm7201923.56  1VUSGSSA
2019-06-0317:42 UTCm62610 855.62NGVD291VUSGSSA
2019-06-0317:42 UTCm62611 855.46NAVD881VUSGSSA
2019-06-0317:42 UTCm7201922.54  1VUSGSSA
2019-08-0614:13 UTCm62610 852.15NGVD291VUSGSSA
2019-08-0614:13 UTCm62611 851.99NAVD881VUSGSSA
2019-08-0614:13 UTCm7201926.01  1VUSGSSA
2019-11-1316:07 UTCm62610 854.80NGVD291VUSGSSA
2019-11-1316:07 UTCm62611 854.64NAVD881VUSGSSA
2019-11-1316:07 UTCm7201923.36  1VUSGSSA
2020-02-0519:38 UTCm62610 853.98NGVD291VUSGSSA
2020-02-0519:38 UTCm62611 853.82NAVD881VUSGSSA
2020-02-0519:38 UTCm7201924.18  1VUSGSSA
2020-04-2115:53 UTCm62610 853.96NGVD291VUSGSSA
2020-04-2115:53 UTCm62611 853.80NAVD881VUSGSSA
2020-04-2115:53 UTCm7201924.20  1VUSGSSA
2020-06-1619:10 UTCm62610 853.68NGVD291VUSGSSA
2020-06-1619:10 UTCm62611 853.52NAVD881VUSGSSA
2020-06-1619:10 UTCm7201924.48  1VUSGSSA
2020-07-2915:02 UTCm62610 851.69NGVD291VUSGSSA
2020-07-2915:02 UTCm62611 851.53NAVD881VUSGSSA
2020-07-2915:02 UTCm7201926.47  1VUSGSSA
2020-12-1522:01 UTCm62610 851.06NGVD291VUSGSSA
2020-12-1522:01 UTCm62611 850.90NAVD881VUSGSSA
2020-12-1522:01 UTCm7201927.10  1VUSGSSA
2021-02-0820:18 UTCm62610 850.54NGVD291VUSGSSA
2021-02-0820:18 UTCm62611 850.38NAVD881VUSGSSA
2021-02-0820:18 UTCm7201927.62  1VUSGSSA
2021-05-0717:36 UTCm62610 851.39NGVD291VUSGSSA
2021-05-0717:36 UTCm62611 851.23NAVD881VUSGSSA
2021-05-0717:36 UTCm7201926.77  1VUSGSSA
2021-09-0717:16 UTCm62610 848.87NGVD291VUSGSSA
2021-09-0717:16 UTCm62611 848.71NAVD881VUSGSSA
2021-09-0717:16 UTCm7201929.29  1VUSGSSA
2021-11-1916:12 UTCm62610 848.59NGVD291VUSGSSA
2021-11-1916:12 UTCm62611 848.43NAVD881VUSGSSA
2021-11-1916:12 UTCm7201929.57  1VUSGSSA
2022-02-0914:43 UTCm62610 849.06NGVD291VUSGSSA
2022-02-0914:43 UTCm62611 848.90NAVD881VUSGSSA
2022-02-0914:43 UTCm7201929.10  1VUSGSSA
2022-05-2019:46 UTCm62610 852.70NGVD291VUSGSSA
2022-05-2019:46 UTCm62611 852.54NAVD881VUSGSSA
2022-05-2019:46 UTCm7201925.46  1VUSGSSA
2022-09-1416:50 UTCm62610 851.43NGVD291VUSGSSA
2022-09-1416:50 UTCm62611 851.27NAVD881VUSGSSA
2022-09-1416:50 UTCm7201926.73  1VUSGSSA
2022-11-1621:10 UTCm62610 850.37NGVD291VUSGSSA
2022-11-1621:10 UTCm62611 850.21NAVD881VUSGSSA
2022-11-1621:10 UTCm7201927.79  1VUSGSSA
2023-01-1021:56 UTCm62610 851.09NGVD291VUSGSSA
2023-01-1021:56 UTCm62611 850.93NAVD881VUSGSSA
2023-01-1021:56 UTCm7201927.07  1VUSGSSA
2023-04-1320:16 UTCm62610 854.00NGVD291VUSGSSA
2023-04-1320:16 UTCm62611 853.84NAVD881VUSGSSA
2023-04-1320:16 UTCm7201924.16  1VUSGSSA
2023-07-2817:49 UTCm62610 853.43NGVD291VUSGSSA
2023-07-2817:49 UTCm62611 853.27NAVD881VUSGSSA
2023-07-2817:49 UTCm7201927.85  1VUSGSSA
2023-11-1418:56 UTCm62610 853.15NGVD291VUSGSSA
2023-11-1418:56 UTCm62611 852.99NAVD881VUSGSSA
2023-11-1418:56 UTCm7201928.13  1VUSGSSA
2024-02-2120:56 UTCm62610 855.98NGVD291VUSGSSA
2024-02-2120:56 UTCm62611 855.82NAVD881VUSGSSA
2024-02-2120:56 UTCm7201925.30  1VUSGSSA
2024-06-0516:56 UTCm62610 855.60NGVD291VUSGSSA
2024-06-0516:56 UTCm62611 855.44NAVD881VUSGSSA
2024-06-0516:56 UTCm7201925.68  1VUSGSSA
2024-09-1618:22 UTCm62610 853.04NGVD291VUSGSSA
2024-09-1618:22 UTCm62611 852.88NAVD881VUSGSSA
2024-09-1618:22 UTCm7201928.24  1VUSGSSA

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 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.