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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
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  • 422433088140601
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USGS 422433088140601 45N9E-06.7e (NW-6-45-9)

Mchenry County, Illinois
Latitude  42°24'32.88", Longitude  88°14'06.06" NAD83
Land-surface elevation 863.50 feet above NAVD88
The depth of the well is 73 feet below land surface.
The depth of the hole is 73 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
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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
2009-09-1016:49 UTCm62610 826.60NGVD291TIL050AA
2009-09-1016:49 UTCm62611 826.37NAVD881TIL050AA
2009-09-1016:49 UTCm7201928.40  1TIL050AA
2010-06-0315:46 UTCm62610 826.32NGVD291VUSGSSA
2010-06-0315:46 UTCm62611 826.09NAVD881VUSGSSA
2010-06-0315:46 UTCm7201928.68  1VUSGSSA
2010-09-2920:04 UTCm62610 826.03NGVD291VUSGSSA
2010-09-2920:04 UTCm62611 825.80NAVD881VUSGSSA
2010-09-2920:04 UTCm7201928.97  1VUSGSSA
2010-10-1520:50 UTCm62610 825.27NGVD291VUSGSSA
2010-10-1520:50 UTCm62611 825.04NAVD881VUSGSSA
2010-10-1520:50 UTCm7201929.73  1VUSGSSA
2010-11-1619:22 UTCm62610 824.38NGVD291VUSGSSA
2010-11-1619:22 UTCm62611 824.15NAVD881VUSGSSA
2010-11-1619:22 UTCm7201930.62  1VUSGSSA
2011-02-2418:53 UTCm62610 821.21NGVD291VUSGSSA
2011-02-2418:53 UTCm62611 820.98NAVD881VUSGSSA
2011-02-2418:53 UTCm7201933.79  1VUSGSSA
2011-05-2615:20 UTCm62610 823.33NGVD291VUSGSSA
2011-05-2615:20 UTCm62611 823.10NAVD881VUSGSSA
2011-05-2615:20 UTCm7201931.67  1VUSGSSA
2011-08-0120:49 UTCm62610 824.16NGVD291VUSGSSA
2011-08-0120:49 UTCm62611 823.93NAVD881VUSGSSA
2011-08-0120:49 UTCm7201930.84  1VUSGSSA
2011-10-1222:27 UTCm62610 823.55NGVD291VUSGSSA
2011-10-1222:27 UTCm62611 823.32NAVD881VUSGSSA
2011-10-1222:27 UTCm7201931.45  1VUSGSSA
2012-03-0720:14 UTCm62610 821.40NGVD291VUSGSSA
2012-03-0720:14 UTCm62611 821.17NAVD881VUSGSSA
2012-03-0720:14 UTCm7201933.60  1VUSGSSA
2012-10-1015:14 UTCm62610 819.69NGVD291VUSGSSA
2012-10-1015:14 UTCm62611 819.46NAVD881VUSGSSA
2012-10-1015:14 UTCm7201935.31  1VUSGSSA
2013-04-2420:41 UTCm62610 818.87NGVD291VUSGSSA
2013-04-2420:41 UTCm62611 818.64NAVD881VUSGSSA
2013-04-2420:41 UTCm7201936.13  1VUSGSSA
2013-10-2319:27 UTCm62610 821.36NGVD291VUSGSSA
2013-10-2319:27 UTCm62611 821.13NAVD881VUSGSSA
2013-10-2319:27 UTCm7201933.64  1VUSGSSA
2014-04-1519:08 UTCm62610 818.61NGVD291VUSGSSA
2014-04-1519:08 UTCm62611 818.38NAVD881VUSGSSA
2014-04-1519:08 UTCm7201936.39  1VUSGSSA
2014-10-0713:40 UTCm62610 822.07NGVD291VUSGSSA
2014-10-0713:40 UTCm62611 821.84NAVD881VUSGSSA
2014-10-0713:40 UTCm7201932.93  1VUSGSSA
2015-04-0619:22 UTCm62610 819.08NGVD291VUSGSSA
2015-04-0619:22 UTCm62611 818.85NAVD881VUSGSSA
2015-04-0619:22 UTCm7201935.92  1VUSGSSA
2015-10-0712:50 UTCm62610 824.35NGVD291VUSGSSA
2015-10-0712:50 UTCm62611 824.12NAVD881VUSGSSA
2015-10-0712:50 UTCm7201930.65  1VUSGSSA
2016-04-1414:53 UTCm62610 825.13NGVD291VUSGSSA
2016-04-1414:53 UTCm62611 824.90NAVD881VUSGSSA
2016-04-1414:53 UTCm7201929.87  1VUSGSSA
2016-11-3022:12 UTCm62610 821.26NGVD291VUSGSSA
2016-11-3022:12 UTCm62611 821.03NAVD881VUSGSSA
2016-11-3022:12 UTCm7201933.74  1VUSGSSA
2017-05-2415:43 UTCm62610 823.89NGVD291VUSGSSA
2017-05-2415:43 UTCm62611 823.66NAVD881VUSGSSA
2017-05-2415:43 UTCm7201931.11  1VUSGSSA
2017-08-2819:39 UTCm62610 828.82NGVD291VUSGSSA
2017-08-2819:39 UTCm62611 828.59NAVD881VUSGSSA
2017-08-2819:39 UTCm7201926.18  1VUSGSSA
2017-11-1415:35 UTCm62610 825.65NGVD291VUSGSSA
2017-11-1415:35 UTCm62611 825.42NAVD881VUSGSSA
2017-11-1415:35 UTCm7201929.35  1VUSGSSA
2018-02-1417:28 UTCm62610 822.91NGVD291VUSGSSA
2018-02-1417:28 UTCm62611 822.68NAVD881VUSGSSA
2018-02-1417:28 UTCm7201932.09  1VUSGSSA
2018-04-2018:28 UTCm62610 821.96NGVD291VUSGSSA
2018-04-2018:28 UTCm62611 821.73NAVD881VUSGSSA
2018-04-2018:28 UTCm7201933.04  1VUSGSSA
2018-05-0716:11 UTCm62610 821.77NGVD291VUSGSSA
2018-05-0716:11 UTCm62611 821.54NAVD881VUSGSSA
2018-05-0716:11 UTCm7201933.23  1VUSGSSA
2018-08-1517:58 UTCm62610 825.77NGVD291VUSGSSA
2018-08-1517:58 UTCm62611 825.54NAVD881VUSGSSA
2018-08-1517:58 UTCm7201929.23  1VUSGSSA
2018-10-0217:38 UTCm62610 825.42NGVD291VUSGSSA
2018-10-0217:38 UTCm62611 825.19NAVD881VUSGSSA
2018-10-0217:38 UTCm7201929.58  1VUSGSSA
2018-10-0316:01 UTCm62610 825.59NGVD291VUSGSSA
2018-10-0316:01 UTCm62611 825.36NAVD881VUSGSSA
2018-10-0316:01 UTCm7201929.41  1VUSGSSA
2018-11-1418:08 UTCm62610 826.74NGVD291VUSGSSA
2018-11-1418:08 UTCm62611 826.51NAVD881VUSGSSA
2018-11-1418:08 UTCm7201928.26  1VUSGSSA
2018-12-0718:21 UTCm62610 826.76NGVD291VUSGSSA
2018-12-0718:21 UTCm62611 826.53NAVD881VUSGSSA
2018-12-0718:21 UTCm7201928.24  1VUSGSSA
2018-12-1316:47 UTCm62610 827.09NGVD291VUSGSSA
2018-12-1316:47 UTCm62611 826.86NAVD881VUSGSSA
2018-12-1316:47 UTCm7201927.91  1VUSGSSA
2019-02-2117:29 UTCm62610 827.46NGVD291VUSGSSA
2019-02-2117:29 UTCm62611 827.23NAVD881VUSGSSA
2019-02-2117:29 UTCm7201927.54  1VUSGSSA
2019-05-0718:51 UTCm62610 827.82NGVD291VUSGSSA
2019-05-0718:51 UTCm62611 827.59NAVD881VUSGSSA
2019-05-0718:51 UTCm7201927.18  1VUSGSSA
2019-08-2116:12 UTCm62610 829.07NGVD291VUSGSSA
2019-08-2116:12 UTCm62611 828.84NAVD881VUSGSSA
2019-08-2116:12 UTCm7201925.93  1VUSGSSA
2019-11-1918:01 UTCm62610 832.27NGVD291VUSGSSA
2019-11-1918:01 UTCm62611 832.04NAVD881VUSGSSA
2019-11-1918:01 UTCm7201922.73  1VUSGSSA
2020-02-2815:48 UTCm62610 830.02NGVD291VUSGSSA
2020-02-2815:48 UTCm62611 829.79NAVD881VUSGSSA
2020-02-2815:48 UTCm7201924.98  1VUSGSSA
2020-04-2417:24 UTCm62610 830.30NGVD291VUSGSSA
2020-04-2417:24 UTCm62611 830.07NAVD881VUSGSSA
2020-04-2417:24 UTCm7201924.70  1VUSGSSA
2020-06-2418:47 UTCm62610 834.38NGVD291VUSGSSA
2020-06-2418:47 UTCm62611 834.15NAVD881VUSGSSA
2020-06-2418:47 UTCm7201920.62  1VUSGSSA
2020-08-2717:47 UTCm62610 830.96NGVD291VUSGSSA
2020-08-2717:47 UTCm62611 830.73NAVD881VUSGSSA
2020-08-2717:47 UTCm7201924.04  1VUSGSSA
2020-10-2315:36 UTCm62610 828.06NGVD291VUSGSSA
2020-10-2315:36 UTCm62611 827.83NAVD881VUSGSSA
2020-10-2315:36 UTCm7201926.94  1VUSGSSA
2020-11-1919:05 UTCm62610 826.99NGVD291VUSGSSA
2020-11-1919:05 UTCm62611 826.76NAVD881VUSGSSA
2020-11-1919:05 UTCm7201928.01  1VUSGSSA
2021-02-0918:01 UTCm62610 823.74NGVD291VUSGSSA
2021-02-0918:01 UTCm62611 823.51NAVD881VUSGSSA
2021-02-0918:01 UTCm7201931.26  1VUSGSSA
2021-07-0718:03 UTCm62610 820.91NGVD291VUSGSSA
2021-07-0718:03 UTCm62611 820.68NAVD881VUSGSSA
2021-07-0718:03 UTCm7201934.09  1VUSGSSA
2021-09-0318:02 UTCm62610 819.60NGVD291VUSGSSA
2021-09-0318:02 UTCm62611 819.37NAVD881VUSGSSA
2021-09-0318:02 UTCm7201935.40  1VUSGSSA
2021-11-2919:41 UTCm62610 818.17NGVD291VUSGSSA
2021-11-2919:41 UTCm62611 817.94NAVD881VUSGSSA
2021-11-2919:41 UTCm7201936.83  1VUSGSSA
2022-02-1617:54 UTCm62610 816.85NGVD291VUSGSSA
2022-02-1617:54 UTCm62611 816.62NAVD881VUSGSSA
2022-02-1617:54 UTCm7201938.15  1VUSGSSA
2022-02-1719:45 UTCm62610 816.67NGVD291VUSGSSA
2022-02-1719:45 UTCm62611 816.44NAVD881VUSGSSA
2022-02-1719:45 UTCm7201938.33  1VUSGSSA
2022-04-0518:03 UTCm62610 816.12NGVD291VUSGSSA
2022-04-0518:03 UTCm62611 815.89NAVD881VUSGSSA
2022-04-0518:03 UTCm7201938.88  1VUSGSSA
2022-04-1418:00 UTCm62610 816.01NGVD291VUSGSSA
2022-04-1418:00 UTCm62611 815.78NAVD881VUSGSSA
2022-04-1418:00 UTCm7201938.99  1VUSGSSA
2022-04-1517:28 UTCm62610 815.98NGVD291VUSGSSA
2022-04-1517:28 UTCm62611 815.75NAVD881VUSGSSA
2022-04-1517:28 UTCm7201939.02  1VUSGSSA
2022-05-2518:26 UTCm62610 816.28NGVD291VUSGSSA
2022-05-2518:26 UTCm62611 816.05NAVD881VUSGSSA
2022-05-2518:26 UTCm7201938.72  1VUSGSSA
2022-09-1919:41 UTCm62610 817.68NGVD291VUSGSSA
2022-09-1919:41 UTCm62611 817.45NAVD881VUSGSSA
2022-09-1919:41 UTCm7201937.32  1VUSGSSA
2023-01-1218:50 UTCm62610 816.13NGVD291VUSGSSA
2023-01-1218:50 UTCm62611 815.90NAVD881VUSGSSA
2023-01-1218:50 UTCm7201938.87  1VUSGSSA
2023-04-1318:15 UTCm62610 816.35NGVD291VUSGSSA
2023-04-1318:15 UTCm62611 816.12NAVD881VUSGSSA
2023-04-1318:15 UTCm7201938.65  1VUSGSSA
2023-07-1319:44 UTCm62610 799.20NGVD291VUSGSSA
2023-07-1319:44 UTCm62611 798.97NAVD881VUSGSSA
2023-07-1319:44 UTCm7201937.53  1VUSGSSA
2023-10-2419:24 UTCm62610 797.91NGVD291VUSGSSA
2023-10-2419:24 UTCm62611 797.68NAVD881VUSGSSA
2023-10-2419:24 UTCm7201938.82  1VUSGSSA
2024-02-0118:43 UTCm62610 796.87NGVD291VUSGSSA
2024-02-0118:43 UTCm62611 796.64NAVD881VUSGSSA
2024-02-0118:43 UTCm7201939.86  1VUSGSSA
2024-05-1517:53 UTCm62610 798.79NGVD291VUSGSSA
2024-05-1517:53 UTCm62611 798.56NAVD881VUSGSSA
2024-05-1517:53 UTCm7201937.94  1VUSGSSA
2024-08-2817:34 UTCm62610 804.16NGVD291VUSGSSA
2024-08-2817:34 UTCm62611 803.93NAVD881VUSGSSA
2024-08-2817:34 UTCm7201932.57  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.