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Groundwater levels for the Nation

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USGS 422828088333301 46N6E-08.46l (2-ALD-D)

Mchenry County, Illinois
Latitude  42°28'28.5", Longitude  88°33'33.4" NAD83
Land-surface elevation 1,176.35 feet above NAVD88
The depth of the well is 344.4 feet below land surface.
The depth of the hole is 346 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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Water
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feet
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specific
vertical
datum
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vertical
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2009-02-2517:32 UTCm62610 960.40NGVD291SIL050AA
2009-02-2517:32 UTCm62611 960.22NAVD881SIL050AA
2009-02-2517:32 UTCm72019216.13  1SIL050AA
2010-01-1920:30 UTCm62610 958.14NGVD291VUSGSSA
2010-01-1920:30 UTCm62611 957.96NAVD881VUSGSSA
2010-01-1920:30 UTCm72019218.39  1VUSGSSA
2010-04-2721:08 UTCm62610 959.88NGVD291VUSGSSA
2010-04-2721:08 UTCm62611 959.70NAVD881VUSGSSA
2010-04-2721:08 UTCm72019216.65  1VUSGSSA
2010-11-1717:35 UTCm62610 956.65NGVD291VUSGSSA
2010-11-1717:35 UTCm62611 956.47NAVD881VUSGSSA
2010-11-1717:35 UTCm72019219.88  1VUSGSSA
2011-02-2514:38 UTCm62610 955.09NGVD291VUSGSSA
2011-02-2514:38 UTCm62611 954.91NAVD881VUSGSSA
2011-02-2514:38 UTCm72019221.44  1VUSGSSA
2011-03-1619:22 UTCm62610 955.82NGVD291VUSGSSA
2011-03-1619:22 UTCm62611 955.64NAVD881VUSGSSA
2011-03-1619:22 UTCm72019220.71  1VUSGSSA
2011-05-2618:18 UTCm62610 959.45NGVD291VUSGSSA
2011-05-2618:18 UTCm62611 959.27NAVD881VUSGSSA
2011-05-2618:18 UTCm72019217.08  1VUSGSSA
2011-06-1317:57 UTCm62610 959.11NGVD291VUSGSSA
2011-06-1317:57 UTCm62611 958.93NAVD881VUSGSSA
2011-06-1317:57 UTCm72019217.42  1VUSGSSA
2011-06-1517:06 UTCm62610 959.46NGVD291VUSGSSA
2011-06-1517:06 UTCm62611 959.28NAVD881VUSGSSA
2011-06-1517:06 UTCm72019217.07  1VUSGSSA
2011-08-1619:49 UTCm62610 956.16NGVD291VUSGSSA
2011-08-1619:49 UTCm62611 955.98NAVD881VUSGSSA
2011-08-1619:49 UTCm72019220.37  1VUSGSSA
2011-10-1315:29 UTCm62610 956.48NGVD291VUSGSSA
2011-10-1315:29 UTCm62611 956.30NAVD881VUSGSSA
2011-10-1315:29 UTCm72019220.05  1VUSGSSA
2012-03-0820:25 UTCm62610 956.55NGVD291VUSGSSA
2012-03-0820:25 UTCm62611 956.37NAVD881VUSGSSA
2012-03-0820:25 UTCm72019219.98  1VUSGSSA
2012-09-1015:35 UTCm62610 951.88NGVD291VUSGSSA
2012-09-1015:35 UTCm62611 951.70NAVD881VUSGSSA
2012-09-1015:35 UTCm72019224.65  1VUSGSSA
2012-10-2919:40 UTCm62610 951.58NGVD291VUSGSSA
2012-10-2919:40 UTCm62611 951.40NAVD881VUSGSSA
2012-10-2919:40 UTCm72019224.95  1VUSGSSA
2013-04-2423:36 UTCm62610 954.52NGVD291VUSGSSA
2013-04-2423:36 UTCm62611 954.34NAVD881VUSGSSA
2013-04-2423:36 UTCm72019222.01  1VUSGSSA
2013-10-2315:57 UTCm62610 954.99NGVD291VUSGSSA
2013-10-2315:57 UTCm62611 954.81NAVD881VUSGSSA
2013-10-2315:57 UTCm72019221.54  1VUSGSSA
2014-04-1521:33 UTCm62610 955.38NGVD291VUSGSSA
2014-04-1521:33 UTCm62611 955.20NAVD881VUSGSSA
2014-04-1521:33 UTCm72019221.15  1VUSGSSA
2014-10-0714:54 UTCm62610 956.66NGVD291VUSGSSA
2014-10-0714:54 UTCm62611 956.48NAVD881VUSGSSA
2014-10-0714:54 UTCm72019219.87  1VUSGSSA
2015-04-0714:19 UTCm62610 956.72NGVD291VUSGSSA
2015-04-0714:19 UTCm62611 956.54NAVD881VUSGSSA
2015-04-0714:19 UTCm72019219.81  1VUSGSSA
2015-10-0716:31 UTCm62610 955.97NGVD291VUSGSSA
2015-10-0716:31 UTCm62611 955.79NAVD881VUSGSSA
2015-10-0716:31 UTCm72019220.56  1VUSGSSA
2016-04-1418:25 UTCm62610 959.42NGVD291VUSGSSA
2016-04-1418:25 UTCm62611 959.24NAVD881VUSGSSA
2016-04-1418:25 UTCm72019217.11  1VUSGSSA
2017-04-1119:50 UTCm62610 958.43NGVD291VUSGSSA
2017-04-1119:50 UTCm62611 958.25NAVD881VUSGSSA
2017-04-1119:50 UTCm72019218.10  1VUSGSSA
2017-04-2116:04 UTCm62610 958.88NGVD291VUSGSSA
2017-04-2116:04 UTCm62611 958.70NAVD881VUSGSSA
2017-04-2116:04 UTCm72019217.65  1VUSGSSA
2017-05-1715:43 UTCm62610 960.18NGVD291VUSGSSA
2017-05-1715:43 UTCm62611 960.00NAVD881VUSGSSA
2017-05-1715:43 UTCm72019216.35  1VUSGSSA
2017-08-3017:18 UTCm62610 960.20NGVD291VUSGSSA
2017-08-3017:18 UTCm62611 960.02NAVD881VUSGSSA
2017-08-3017:18 UTCm72019216.33  1VUSGSSA
2017-09-2116:37 UTCm62610 959.33NGVD291VUSGSSA
2017-09-2116:37 UTCm62611 959.15NAVD881VUSGSSA
2017-09-2116:37 UTCm72019217.20  1VUSGSSA
2017-11-1716:54 UTCm62610 959.30NGVD291VUSGSSA
2017-11-1716:54 UTCm62611 959.12NAVD881VUSGSSA
2017-11-1716:54 UTCm72019217.23  1VUSGSSA
2018-02-2220:27 UTCm62610 957.74NGVD291VUSGSSA
2018-02-2220:27 UTCm62611 957.56NAVD881VUSGSSA
2018-02-2220:27 UTCm72019218.79  1VUSGSSA
2018-04-0219:42 UTCm62610 958.89NGVD291VUSGSSA
2018-04-0219:42 UTCm62611 958.71NAVD881VUSGSSA
2018-04-0219:42 UTCm72019217.64  1VUSGSSA
2018-05-2218:34 UTCm62610 959.15NGVD291VUSGSSA
2018-05-2218:34 UTCm62611 958.97NAVD881VUSGSSA
2018-05-2218:34 UTCm72019217.38  1VUSGSSA
2018-08-3015:38 UTCm62610 958.52NGVD291VUSGSSA
2018-08-3015:38 UTCm62611 958.34NAVD881VUSGSSA
2018-08-3015:38 UTCm72019218.01  1VUSGSSA
2018-12-0715:14 UTCm62610 962.29NGVD291VUSGSSA
2018-12-0715:14 UTCm62611 962.11NAVD881VUSGSSA
2018-12-0715:14 UTCm72019214.24  1VUSGSSA
2019-02-1417:19 UTCm62610 963.29NGVD291VUSGSSA
2019-02-1417:19 UTCm62611 963.11NAVD881VUSGSSA
2019-02-1417:19 UTCm72019213.24  1VUSGSSA
2019-06-0716:51 UTCm62610 965.07NGVD291VUSGSSA
2019-06-0716:51 UTCm62611 964.89NAVD881VUSGSSA
2019-06-0716:51 UTCm72019211.46  1VUSGSSA
2019-09-0417:08 UTCm62610 962.16NGVD291VUSGSSA
2019-09-0417:08 UTCm62611 961.98NAVD881VUSGSSA
2019-09-0417:08 UTCm72019214.37  1VUSGSSA
2019-11-2217:19 UTCm62610 965.46NGVD291VUSGSSA
2019-11-2217:19 UTCm62611 965.28NAVD881VUSGSSA
2019-11-2217:19 UTCm72019211.07  1VUSGSSA
2020-02-1816:23 UTCm62610 964.32NGVD291VUSGSSA
2020-02-1816:23 UTCm62611 964.14NAVD881VUSGSSA
2020-02-1816:23 UTCm72019212.21  1VUSGSSA
2020-04-2217:28 UTCm62610 964.73NGVD291VUSGSSA
2020-04-2217:28 UTCm62611 964.55NAVD881VUSGSSA
2020-04-2217:28 UTCm72019211.80  1VUSGSSA
2020-06-3014:35 UTCm62610 964.09NGVD291VUSGSSA
2020-06-3014:35 UTCm62611 963.91NAVD881VUSGSSA
2020-06-3014:35 UTCm72019212.44  1VUSGSSA
2020-07-2214:14 UTCm62610 962.03NGVD291VUSGSSA
2020-07-2214:14 UTCm62611 961.85NAVD881VUSGSSA
2020-07-2214:14 UTCm72019214.50  1VUSGSSA
2020-09-0115:29 UTCm62610 959.80NGVD291VUSGSSA
2020-09-0115:29 UTCm62611 959.62NAVD881VUSGSSA
2020-09-0115:29 UTCm72019216.73  1VUSGSSA
2020-12-1516:17 UTCm62610 959.02NGVD291VUSGSSA
2020-12-1516:17 UTCm62611 958.84NAVD881VUSGSSA
2020-12-1516:17 UTCm72019217.51  1VUSGSSA
2021-02-0919:12 UTCm62610 958.59NGVD291VUSGSSA
2021-02-0919:12 UTCm62611 958.41NAVD881VUSGSSA
2021-02-0919:12 UTCm72019217.94  1VUSGSSA
2021-02-0919:17 UTCm62610 958.59NGVD291VUSGSSA
2021-02-0919:17 UTCm62611 958.41NAVD881VUSGSSA
2021-02-0919:17 UTCm72019217.94  1VUSGSSA
2021-05-1217:23 UTCm62610 959.20NGVD291VUSGSSA
2021-05-1217:23 UTCm62611 959.02NAVD881VUSGSSA
2021-05-1217:23 UTCm72019217.33  1VUSGSSA
2021-08-1614:58 UTCm62610 954.29NGVD291VUSGSSA
2021-08-1614:58 UTCm62611 954.11NAVD881VUSGSSA
2021-08-1614:58 UTCm72019222.24  1VUSGSSA
2021-11-1616:20 UTCm62610 953.57NGVD291VUSGSSA
2021-11-1616:20 UTCm62611 953.39NAVD881VUSGSSA
2021-11-1616:20 UTCm72019222.96  1VUSGSSA
2022-02-0422:09 UTCm62610 952.47NGVD291VUSGSSA
2022-02-0422:09 UTCm62611 952.29NAVD881VUSGSSA
2022-02-0422:09 UTCm72019224.06  1VUSGSSA
2022-06-0121:00 UTCm62610 955.71NGVD291VUSGSSA
2022-06-0121:00 UTCm62611 955.53NAVD881VUSGSSA
2022-06-0121:00 UTCm72019220.82  1VUSGSSA
2022-06-1718:30 UTCm62610 955.72NGVD291VUSGSSA
2022-06-1718:30 UTCm62611 955.54NAVD881VUSGSSA
2022-06-1718:30 UTCm72019220.81  1VUSGSSA
2022-06-2819:33 UTCm62610 955.65NGVD291VUSGSSA
2022-06-2819:33 UTCm62611 955.47NAVD881VUSGSSA
2022-06-2819:33 UTCm72019220.88  1VUSGSSA
2022-08-0118:44 UTCm62610 955.68NGVD291VUSGSSA
2022-08-0118:44 UTCm62611 955.50NAVD881VUSGSSA
2022-08-0118:44 UTCm72019220.85  1VUSGSSA
2022-08-1518:23 UTCm62610 955.12NGVD291VUSGSSA
2022-08-1518:23 UTCm62611 954.94NAVD881VUSGSSA
2022-08-1518:23 UTCm72019221.41  1VUSGSSA
2022-09-2719:50 UTCm62610 955.41NGVD291VUSGSSA
2022-09-2719:50 UTCm62611 955.23NAVD881VUSGSSA
2022-09-2719:50 UTCm72019221.12  1VUSGSSA
2022-10-2619:32 UTCm62610 955.58NGVD291VUSGSSA
2022-10-2619:32 UTCm62611 955.40NAVD881VUSGSSA
2022-10-2619:32 UTCm72019220.95  1VUSGSSA
2023-02-0721:37 UTCm62610 954.58NGVD291VUSGSSA
2023-02-0721:37 UTCm62611 954.40NAVD881VUSGSSA
2023-02-0721:37 UTCm72019221.95  1VUSGSSA
2023-06-0219:50 UTCm62610 956.86NGVD291VUSGSSA
2023-06-0219:50 UTCm62611 956.68NAVD881VUSGSSA
2023-06-0219:50 UTCm72019219.67  1VUSGSSA
2023-09-1219:01 UTCm62610 952.72NGVD291VUSGSSA
2023-09-1219:01 UTCm62611 952.54NAVD881VUSGSSA
2023-09-1219:01 UTCm72019223.81  1VUSGSSA
2023-12-1320:39 UTCm62610 952.09NGVD291VUSGSSA
2023-12-1320:39 UTCm62611 951.91NAVD881VUSGSSA
2023-12-1320:39 UTCm72019224.44  1VUSGSSA
2024-03-2919:15 UTCm62610 954.07NGVD291VUSGSSA
2024-03-2919:15 UTCm62611 953.89NAVD881VUSGSSA
2024-03-2919:15 UTCm72019222.46  1VUSGSSA
2024-07-1218:15 UTCm62610 959.18NGVD291VUSGSSA
2024-07-1218:15 UTCm62611 959.00NAVD881VUSGSSA
2024-07-1218:15 UTCm72019217.35  1VUSGSSA
2024-10-2817:24 UTCm62610 956.38NGVD291VUSGSSP
2024-10-2817:24 UTCm62611 956.20NAVD881VUSGSSP
2024-10-2817:24 UTCm72019220.15  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.