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Groundwater levels for the Nation

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  • 421653088370901
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USGS 421653088370901 44N5E-23.5g (MARN-09-02)

Mchenry County, Illinois
Latitude  42°16'52.96", Longitude  88°37'09.29" NAD83
Land-surface elevation 828.52 feet above NAVD88
The depth of the well is 110.6 feet below land surface.
The depth of the hole is 192 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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Water-level
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status
2009-09-1118:27 UTCm62610 808.95NGVD291TIL050AA
2009-09-1118:27 UTCm62611 808.76NAVD881TIL050AA
2009-09-1118:27 UTCm7201918.24  1TIL050AA
2010-01-2214:33 UTCm62610 809.73NGVD291VUSGSSA
2010-01-2214:33 UTCm62611 809.54NAVD881VUSGSSA
2010-01-2214:33 UTCm7201917.46  1VUSGSSA
2010-04-2817:09 UTCm62610 810.37NGVD291VUSGSSA
2010-04-2817:09 UTCm62611 810.18NAVD881VUSGSSA
2010-04-2817:09 UTCm7201916.82  1VUSGSSA
2010-10-1816:28 UTCm62610 807.97NGVD291VUSGSSA
2010-10-1816:28 UTCm62611 807.78NAVD881VUSGSSA
2010-10-1816:28 UTCm7201919.22  1VUSGSSA
2010-10-1819:12 UTCm62610 808.01NGVD291VUSGSSA
2010-10-1819:12 UTCm62611 807.82NAVD881VUSGSSA
2010-10-1819:12 UTCm7201919.18  1VUSGSSA
2011-02-2218:00 UTCm62610 807.30NGVD291VUSGSSA
2011-02-2218:00 UTCm62611 807.11NAVD881VUSGSSA
2011-02-2218:00 UTCm7201919.89  1VUSGSSA
2011-05-2619:45 UTCm62610 809.98NGVD291VUSGSSA
2011-05-2619:45 UTCm62611 809.79NAVD881VUSGSSA
2011-05-2619:45 UTCm7201917.21  1VUSGSSA
2011-06-1319:29 UTCm62610 809.98NGVD291VUSGSSA
2011-06-1319:29 UTCm62611 809.79NAVD881VUSGSSA
2011-06-1319:29 UTCm7201917.21  1VUSGSSA
2011-07-0814:55 UTCm62610 808.95NGVD291VUSGSSA
2011-07-0814:55 UTCm62611 808.76NAVD881VUSGSSA
2011-07-0814:55 UTCm7201918.24  1VUSGSSA
2011-08-0216:02 UTCm62610 809.08NGVD291VUSGSSA
2011-08-0216:02 UTCm62611 808.89NAVD881VUSGSSA
2011-08-0216:02 UTCm7201918.11  1VUSGSSA
2011-10-1317:17 UTCm62610 807.91NGVD291VUSGSSA
2011-10-1317:17 UTCm62611 807.72NAVD881VUSGSSA
2011-10-1317:17 UTCm7201919.28  1VUSGSSA
2012-01-1918:43 UTCm62610 808.42NGVD291VUSGSSA
2012-01-1918:43 UTCm62611 808.23NAVD881VUSGSSA
2012-01-1918:43 UTCm7201918.77  1VUSGSSA
2012-03-0616:11 UTCm62610 809.12NGVD291VUSGSSA
2012-03-0616:11 UTCm62611 808.93NAVD881VUSGSSA
2012-03-0616:11 UTCm7201918.07  1VUSGSSA
2012-03-1415:53 UTCm62610 809.82NGVD291VUSGSSA
2012-03-1415:53 UTCm62611 809.63NAVD881VUSGSSA
2012-03-1415:53 UTCm7201917.37  1VUSGSSA
2012-03-1417:10 UTCm62610 809.82NGVD291VUSGSSA
2012-03-1417:10 UTCm62611 809.63NAVD881VUSGSSA
2012-03-1417:10 UTCm7201917.37  1VUSGSSA
2012-10-1021:35 UTCm62610 805.50NGVD291VUSGSSA
2012-10-1021:35 UTCm62611 805.31NAVD881VUSGSSA
2012-10-1021:35 UTCm7201921.69  1VUSGSSA
2013-04-2518:38 UTCm62610 810.26NGVD291VUSGSSA
2013-04-2518:38 UTCm62611 810.07NAVD881VUSGSSA
2013-04-2518:38 UTCm7201916.93  1VUSGSSA
2013-08-2615:06 UTCm62610 808.22NGVD291VUSGSSA
2013-08-2615:06 UTCm62611 808.03NAVD881VUSGSSA
2013-08-2615:06 UTCm7201918.97  1VUSGSSA
2013-10-2313:40 UTCm62610 806.98NGVD291VUSGSSA
2013-10-2313:40 UTCm62611 806.79NAVD881VUSGSSA
2013-10-2313:40 UTCm7201920.21  1VUSGSSA
2014-04-1613:59 UTCm62610 808.99NGVD291VUSGSSA
2014-04-1613:59 UTCm62611 808.80NAVD881VUSGSSA
2014-04-1613:59 UTCm7201918.20  1VUSGSSA
2014-10-0718:27 UTCm62610 807.95NGVD291VUSGSSA
2014-10-0718:27 UTCm62611 807.76NAVD881VUSGSSA
2014-10-0718:27 UTCm7201919.24  1VUSGSSA
2015-04-0716:18 UTCm62610 807.51NGVD291VUSGSSA
2015-04-0716:18 UTCm62611 807.32NAVD881VUSGSSA
2015-04-0716:18 UTCm7201919.68  1VUSGSSA
2015-09-2214:39 UTCm62610 808.19NGVD291VUSGSSA
2015-09-2214:39 UTCm62611 808.00NAVD881VUSGSSA
2015-09-2214:39 UTCm7201919.00  1VUSGSSA
2015-10-0718:11 UTCm62610 807.83NGVD291VUSGSSA
2015-10-0718:11 UTCm62611 807.64NAVD881VUSGSSA
2015-10-0718:11 UTCm7201919.36  1VUSGSSA
2016-04-1421:09 UTCm62610 811.40NGVD291VUSGSSA
2016-04-1421:09 UTCm62611 811.21NAVD881VUSGSSA
2016-04-1421:09 UTCm7201915.79  1VUSGSSA
2017-04-1113:04 UTCm62610 810.46NGVD291VUSGSSA
2017-04-1113:04 UTCm62611 810.27NAVD881VUSGSSA
2017-04-1113:04 UTCm7201916.73  1VUSGSSA
2017-09-0520:42 UTCm62610 810.13NGVD291VUSGSSA
2017-09-0520:42 UTCm62611 809.94NAVD881VUSGSSA
2017-09-0520:42 UTCm7201917.06  1VUSGSSA
2017-11-1521:58 UTCm62610 808.32NGVD291VUSGSSA
2017-11-1521:58 UTCm62611 808.13NAVD881VUSGSSA
2017-11-1521:58 UTCm7201918.87  1VUSGSSA
2018-02-1520:14 UTCm62610 807.37NGVD291VUSGSSA
2018-02-1520:14 UTCm62611 807.18NAVD881VUSGSSA
2018-02-1520:14 UTCm7201919.82  1VUSGSSA
2018-05-2318:01 UTCm62610 809.10NGVD291VUSGSSA
2018-05-2318:01 UTCm62611 808.91NAVD881VUSGSSA
2018-05-2318:01 UTCm7201918.09  1VUSGSSA
2018-08-2917:59 UTCm62610 808.72NGVD291VUSGSSA
2018-08-2917:59 UTCm62611 808.53NAVD881VUSGSSA
2018-08-2917:59 UTCm7201918.47  1VUSGSSA
2018-12-0615:34 UTCm62610 811.62NGVD291VUSGSSA
2018-12-0615:34 UTCm62611 811.43NAVD881VUSGSSA
2018-12-0615:34 UTCm7201915.57  1VUSGSSA
2019-02-1415:55 UTCm62610 811.66NGVD291VUSGSSA
2019-02-1415:55 UTCm62611 811.47NAVD881VUSGSSA
2019-02-1415:55 UTCm7201915.53  1VUSGSSA
2019-06-0718:40 UTCm62610 813.38NGVD291VUSGSSA
2019-06-0718:40 UTCm62611 813.19NAVD881VUSGSSA
2019-06-0718:40 UTCm7201913.81  1VUSGSSA
2019-08-0517:13 UTCm62610 810.36NGVD291VUSGSSA
2019-08-0517:13 UTCm62611 810.17NAVD881VUSGSSA
2019-08-0517:13 UTCm7201916.83  1VUSGSSA
2019-11-1317:20 UTCm62610 811.65NGVD291VUSGSSA
2019-11-1317:20 UTCm62611 811.46NAVD881VUSGSSA
2019-11-1317:20 UTCm7201915.54  1VUSGSSA
2020-02-0317:08 UTCm62610 810.75NGVD291VUSGSSA
2020-02-0317:08 UTCm62611 810.56NAVD881VUSGSSA
2020-02-0317:08 UTCm7201916.44  1VUSGSSA
2020-04-2114:53 UTCm62610 811.58NGVD291VUSGSSA
2020-04-2114:53 UTCm62611 811.39NAVD881VUSGSSA
2020-04-2114:53 UTCm7201915.61  1VUSGSSA
2020-06-1014:02 UTCm62610 812.22NGVD291VUSGSSA
2020-06-1014:02 UTCm62611 812.03NAVD881VUSGSSA
2020-06-1014:02 UTCm7201914.97  1VUSGSSA
2020-07-2915:56 UTCm62610 810.21NGVD291VUSGSSA
2020-07-2915:56 UTCm62611 810.02NAVD881VUSGSSA
2020-07-2915:56 UTCm7201916.98  1VUSGSSA
2020-12-1414:57 UTCm62610 807.74NGVD291VUSGSSA
2020-12-1414:57 UTCm62611 807.55NAVD881VUSGSSA
2020-12-1414:57 UTCm7201919.45  1VUSGSSA
2021-02-0818:41 UTCm62610 807.38NGVD291VUSGSSA
2021-02-0818:41 UTCm62611 807.19NAVD881VUSGSSA
2021-02-0818:41 UTCm7201919.81  1VUSGSSA
2021-05-0716:14 UTCm62610 808.59NGVD291VUSGSSA
2021-05-0716:14 UTCm62611 808.40NAVD881VUSGSSA
2021-05-0716:14 UTCm7201918.60  1VUSGSSA
2021-09-0818:15 UTCm62610 806.66NGVD291VUSGSSA
2021-09-0818:15 UTCm62611 806.47NAVD881VUSGSSA
2021-09-0818:15 UTCm7201920.53  1VUSGSSA
2021-11-1919:19 UTCm62610 805.66NGVD291VUSGSSA
2021-11-1919:19 UTCm62611 805.47NAVD881VUSGSSA
2021-11-1919:19 UTCm7201921.53  1VUSGSSA
2021-12-0920:37 UTCm62610 805.50NGVD291VUSGSSA
2021-12-0920:37 UTCm62611 805.31NAVD881VUSGSSA
2021-12-0920:37 UTCm7201921.69  1VUSGSSA
2021-12-1317:08 UTCm62610 805.56NGVD291VUSGSSA
2021-12-1317:08 UTCm62611 805.37NAVD881VUSGSSA
2021-12-1317:08 UTCm7201921.63  1VUSGSSA
2022-02-0917:43 UTCm62610 805.31NGVD291VUSGSSA
2022-02-0917:43 UTCm62611 805.12NAVD881VUSGSSA
2022-02-0917:43 UTCm7201921.88  1VUSGSSA
2022-05-1221:38 UTCm62610 809.35NGVD291VUSGSSA
2022-05-1221:38 UTCm62611 809.16NAVD881VUSGSSA
2022-05-1221:38 UTCm7201917.84  1VUSGSSA
2022-08-2318:19 UTCm62610 809.18NGVD291VUSGSSA
2022-08-2318:19 UTCm62611 808.99NAVD881VUSGSSA
2022-08-2318:19 UTCm7201918.01  1VUSGSSA
2022-11-2819:47 UTCm62610 807.60NGVD291VUSGSSA
2022-11-2819:47 UTCm62611 807.41NAVD881VUSGSSA
2022-11-2819:47 UTCm7201919.59  1VUSGSSA
2023-03-0319:27 UTCm62610 809.64NGVD291VUSGSSA
2023-03-0319:27 UTCm62611 809.45NAVD881VUSGSSA
2023-03-0319:27 UTCm7201917.55  1VUSGSSA
2023-06-0517:00 UTCm62610 811.27NGVD291VUSGSSA
2023-06-0517:00 UTCm62611 811.08NAVD881VUSGSSA
2023-06-0517:00 UTCm7201917.44  1VUSGSSA
2023-09-1318:19 UTCm62610 808.27NGVD291VUSGSSA
2023-09-1318:19 UTCm62611 808.08NAVD881VUSGSSA
2023-09-1318:19 UTCm7201920.44  1VUSGSSA
2024-01-0219:03 UTCm62610 808.52NGVD291VUSGSSA
2024-01-0219:03 UTCm62611 808.33NAVD881VUSGSSA
2024-01-0219:03 UTCm7201920.19  1VUSGSSA
2024-04-1217:27 UTCm62610 812.53NGVD291VUSGSSA
2024-04-1217:27 UTCm62611 812.34NAVD881VUSGSSA
2024-04-1217:27 UTCm7201916.18  1VUSGSSA
2024-07-3020:24 UTCm62610 812.99NGVD291VUSGSSA
2024-07-3020:24 UTCm62611 812.80NAVD881VUSGSSA
2024-07-3020:24 UTCm7201915.72  1VUSGSSA
2024-11-1518:48 UTCm62610 808.96NGVD291VUSGSSP
2024-11-1518:48 UTCm62611 808.77NAVD881VUSGSSP
2024-11-1518:48 UTCm7201919.75  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 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.