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Groundwater levels for Illinois

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  • 421056088380801
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USGS 421056088380801 43N5E-27.4h1 (14-RIL-S)

Mchenry County, Illinois
Latitude  42°10'56.4", Longitude  88°38'07.7" NAD83
Land-surface elevation 806.46 feet above NAVD88
The depth of the well is 20.4 feet below land surface.
The depth of the hole is 31.0 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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2010-01-2215:02 UTCm62610 799.49NGVD291VUSGSSA
2010-01-2215:02 UTCm62611 799.31NAVD881VUSGSSA
2010-01-2215:02 UTCm720197.44  1VUSGSSA
2010-04-2818:02 UTCm62610 799.64NGVD291VUSGSSA
2010-04-2818:02 UTCm62611 799.46NAVD881VUSGSSA
2010-04-2818:02 UTCm720197.29  1VUSGSSA
2010-10-1216:30 UTCm62610 798.10NGVD291VUSGSSA
2010-10-1216:30 UTCm62611 797.92NAVD881VUSGSSA
2010-10-1216:30 UTCm720198.83  1VUSGSSA
2010-10-1220:30 UTCm62610 798.10NGVD291VUSGSSA
2010-10-1220:30 UTCm62611 797.92NAVD881VUSGSSA
2010-10-1220:30 UTCm720198.83  1VUSGSSA
2011-02-2215:52 UTCm62610 799.21NGVD291VUSGSSA
2011-02-2215:52 UTCm62611 799.03NAVD881VUSGSSA
2011-02-2215:52 UTCm720197.72  1VUSGSSA
2011-04-2622:58 UTCm62610 800.44NGVD291VUSGSSA
2011-04-2622:58 UTCm62611 800.26NAVD881VUSGSSA
2011-04-2622:58 UTCm720196.49  1VUSGSSA
2011-05-2514:36 UTCm62610 799.86NGVD291VUSGSSA
2011-05-2514:36 UTCm62611 799.68NAVD881VUSGSSA
2011-05-2514:36 UTCm720197.07  1VUSGSSA
2011-08-0214:42 UTCm62610 799.05NGVD291VUSGSSA
2011-08-0214:42 UTCm62611 798.87NAVD881VUSGSSA
2011-08-0214:42 UTCm720197.88  1VUSGSSA
2011-10-1113:57 UTCm62610 799.18NGVD291VUSGSSA
2011-10-1113:57 UTCm62611 799.00NAVD881VUSGSSA
2011-10-1113:57 UTCm720197.75  1VUSGSSA
2011-12-0714:05 UTCm62610 799.90NGVD291VUSGSSA
2011-12-0714:05 UTCm62611 799.72NAVD881VUSGSSA
2011-12-0714:05 UTCm720197.03  1VUSGSSA
2011-12-0815:15 UTCm62610 799.90NGVD291VUSGSSA
2011-12-0815:15 UTCm62611 799.72NAVD881VUSGSSA
2011-12-0815:15 UTCm720197.03  1VUSGSSA
2012-01-1917:50 UTCm62610 799.30NGVD291VUSGSSA
2012-01-1917:50 UTCm62611 799.12NAVD881VUSGSSA
2012-01-1917:50 UTCm720197.63  1VUSGSSA
2012-03-0614:20 UTCm62610 799.93NGVD291VUSGSSA
2012-03-0614:20 UTCm62611 799.75NAVD881VUSGSSA
2012-03-0614:20 UTCm720197.00  1VUSGSSA
2012-03-2115:31 UTCm62610 800.63NGVD291VUSGSSA
2012-03-2115:31 UTCm62611 800.45NAVD881VUSGSSA
2012-03-2115:31 UTCm720196.30  1VUSGSSA
2012-05-1415:40 UTCm62610 799.32NGVD291VUSGSSA
2012-05-1415:40 UTCm62611 799.14NAVD881VUSGSSA
2012-05-1415:40 UTCm720197.61  1VUSGSSA
2012-08-2316:12 UTCm62610 796.83NGVD291VUSGSSA
2012-08-2316:12 UTCm62611 796.65NAVD881VUSGSSA
2012-08-2316:12 UTCm7201910.10  1VUSGSSA
2012-10-0913:22 UTCm62610 796.37NGVD291VUSGSSA
2012-10-0913:22 UTCm62611 796.19NAVD881VUSGSSA
2012-10-0913:22 UTCm7201910.56  1VUSGSSA
2013-04-1015:25 UTCm62610 799.35NGVD291VUSGSSA
2013-04-1015:25 UTCm62611 799.17NAVD881VUSGSSA
2013-04-1015:25 UTCm720197.58  1VUSGSSA
2013-05-0713:56 UTCm62610 800.99NGVD291VUSGSSA
2013-05-0713:56 UTCm62611 800.81NAVD881VUSGSSA
2013-05-0713:56 UTCm720195.94  1VUSGSSA
2013-07-1514:03 UTCm62610 798.77NGVD291VUSGSSA
2013-07-1514:03 UTCm62611 798.59NAVD881VUSGSSA
2013-07-1514:03 UTCm720198.16  1VUSGSSA
2013-08-3016:50 UTCm62610 797.50NGVD291VUSGSSA
2013-08-3016:50 UTCm62611 797.32NAVD881VUSGSSA
2013-08-3016:50 UTCm720199.43  1VUSGSSA
2013-09-0414:58 UTCm62610 797.48NGVD291VUSGSSA
2013-09-0414:58 UTCm62611 797.30NAVD881VUSGSSA
2013-09-0414:58 UTCm720199.45  1VUSGSSA
2013-12-0515:21 UTCm62610 797.40NGVD291VUSGSSA
2013-12-0515:21 UTCm62611 797.22NAVD881VUSGSSA
2013-12-0515:21 UTCm720199.53  1VUSGSSA
2014-04-1414:25 UTCm62610 799.89NGVD291VUSGSSA
2014-04-1414:25 UTCm62611 799.71NAVD881VUSGSSA
2014-04-1414:25 UTCm720197.04  1VUSGSSA
2014-09-1914:19 UTCm62610 797.86NGVD291VUSGSSA
2014-09-1914:19 UTCm62611 797.68NAVD881VUSGSSA
2014-09-1914:19 UTCm720199.07  1VUSGSSA
2014-10-0613:33 UTCm62610 797.76NGVD291VUSGSSA
2014-10-0613:33 UTCm62611 797.58NAVD881VUSGSSA
2014-10-0613:33 UTCm720199.17  1VUSGSSA
2014-12-0219:29 UTCm62610 797.82NGVD291VUSGSSA
2014-12-0219:29 UTCm62611 797.64NAVD881VUSGSSA
2014-12-0219:29 UTCm720199.11  1VUSGSSA
2015-04-0219:12 UTCm62610 798.76NGVD291VUSGSSA
2015-04-0219:12 UTCm62611 798.58NAVD881VUSGSSA
2015-04-0219:12 UTCm720198.17  1VUSGSSA
2015-04-1513:31 UTCm62610 799.21NGVD291VUSGSSA
2015-04-1513:31 UTCm62611 799.03NAVD881VUSGSSA
2015-04-1513:31 UTCm720197.72  1VUSGSSA
2015-06-0316:18 UTCm62610 799.09NGVD291VUSGSSA
2015-06-0316:18 UTCm62611 798.91NAVD881VUSGSSA
2015-06-0316:18 UTCm720197.84  1VUSGSSA
2015-09-2214:04 UTCm62610 798.12NGVD291VUSGSSA
2015-09-2214:04 UTCm62611 797.94NAVD881VUSGSSA
2015-09-2214:04 UTCm720198.81  1VUSGSSA
2015-10-1419:34 UTCm62610 797.72NGVD291VUSGSSA
2015-10-1419:34 UTCm62611 797.54NAVD881VUSGSSA
2015-10-1419:34 UTCm720199.21  1VUSGSSA
2016-03-2913:32 UTCm62610 800.17NGVD291VUSGSSA
2016-03-2913:32 UTCm62611 799.99NAVD881VUSGSSA
2016-03-2913:32 UTCm720196.76  1VUSGSSA
2017-04-1116:08 UTCm62610 801.15NGVD291VUSGSSA
2017-04-1116:08 UTCm62611 800.97NAVD881VUSGSSA
2017-04-1116:08 UTCm720195.78  1VUSGSSA
2017-09-1420:05 UTCm62610 798.57NGVD291VUSGSSA
2017-09-1420:05 UTCm62611 798.39NAVD881VUSGSSA
2017-09-1420:05 UTCm720198.36  1VUSGSSA
2018-02-1521:10 UTCm62610 798.64NGVD291VUSGSSA
2018-02-1521:10 UTCm62611 798.46NAVD881VUSGSSA
2018-02-1521:10 UTCm720198.29  1VUSGSSA
2018-05-2319:46 UTCm62610 799.89NGVD291VUSGSSA
2018-05-2319:46 UTCm62611 799.71NAVD881VUSGSSA
2018-05-2319:46 UTCm720197.04  1VUSGSSA
2018-08-3013:17 UTCm62610 798.40NGVD291VUSGSSA
2018-08-3013:17 UTCm62611 798.22NAVD881VUSGSSA
2018-08-3013:17 UTCm720198.53  1VUSGSSA
2018-11-0820:51 UTCm62610 800.01NGVD291VUSGSSA
2018-11-0820:51 UTCm62611 799.83NAVD881VUSGSSA
2018-11-0820:51 UTCm720196.92  1VUSGSSA
2019-02-1414:53 UTCm62610 800.76NGVD291VUSGSSA
2019-02-1414:53 UTCm62611 800.58NAVD881VUSGSSA
2019-02-1414:53 UTCm720196.17  1VUSGSSA
2019-06-0319:41 UTCm62610 801.35NGVD291VUSGSSA
2019-06-0319:41 UTCm62611 801.17NAVD881VUSGSSA
2019-06-0319:41 UTCm720195.58  1VUSGSSA
2019-08-0514:46 UTCm62610 798.80NGVD291VUSGSSA
2019-08-0514:46 UTCm62611 798.62NAVD881VUSGSSA
2019-08-0514:46 UTCm720198.13  1VUSGSSA
2019-11-1318:28 UTCm62610 800.38NGVD291VUSGSSA
2019-11-1318:28 UTCm62611 800.20NAVD881VUSGSSA
2019-11-1318:28 UTCm720196.55  1VUSGSSA
2020-02-0314:58 UTCm62610 799.97NGVD291VUSGSSA
2020-02-0314:58 UTCm62611 799.79NAVD881VUSGSSA
2020-02-0314:58 UTCm720196.96  1VUSGSSA
2020-04-2113:58 UTCm62610 800.31NGVD291VUSGSSA
2020-04-2113:58 UTCm62611 800.13NAVD881VUSGSSA
2020-04-2113:58 UTCm720196.62  1VUSGSSA
2020-06-0919:18 UTCm62610 800.99NGVD291VUSGSSA
2020-06-0919:18 UTCm62611 800.81NAVD881VUSGSSA
2020-06-0919:18 UTCm720195.94  1VUSGSSA
2020-09-0118:14 UTCm62610 798.10NGVD291VUSGSSA
2020-09-0118:14 UTCm62611 797.92NAVD881VUSGSSA
2020-09-0118:14 UTCm720198.83  1VUSGSSA
2020-12-1413:33 UTCm62610 798.91NGVD291VUSGSSA
2020-12-1413:33 UTCm62611 798.73NAVD881VUSGSSA
2020-12-1413:33 UTCm720198.02  1VUSGSSA
2020-12-2117:11 UTCm62610 799.00NGVD291VUSGSSA
2020-12-2117:11 UTCm62611 798.82NAVD881VUSGSSA
2020-12-2117:11 UTCm720197.93  1VUSGSSA
2021-02-0817:24 UTCm62610 798.61NGVD291VUSGSSA
2021-02-0817:24 UTCm62611 798.43NAVD881VUSGSSA
2021-02-0817:24 UTCm720198.32  1VUSGSSA
2021-05-0714:53 UTCm62610 799.05NGVD291VUSGSSA
2021-05-0714:53 UTCm62611 798.87NAVD881VUSGSSA
2021-05-0714:53 UTCm720197.88  1VUSGSSA
2021-09-2720:06 UTCm62610 797.28NGVD291VUSGSSA
2021-09-2720:06 UTCm62611 797.10NAVD881VUSGSSA
2021-09-2720:06 UTCm720199.65  1VUSGSSA
2021-11-1714:58 UTCm62610 797.50NGVD291VUSGSSA
2021-11-1714:58 UTCm62611 797.32NAVD881VUSGSSA
2021-11-1714:58 UTCm720199.43  1VUSGSSA
2022-02-0913:44 UTCm62610 797.75NGVD291VUSGSSA
2022-02-0913:44 UTCm62611 797.57NAVD881VUSGSSA
2022-02-0913:44 UTCm720199.18  1VUSGSSA
2022-05-2016:50 UTCm62610 800.12NGVD291VUSGSSA
2022-05-2016:50 UTCm62611 799.94NAVD881VUSGSSA
2022-05-2016:50 UTCm720196.81  1VUSGSSA
2022-09-0916:57 UTCm62610 798.87NGVD291VUSGSSA
2022-09-0916:57 UTCm62611 798.69NAVD881VUSGSSA
2022-09-0916:57 UTCm720198.06  1VUSGSSA
2023-01-0518:00 UTCm62610 798.88NGVD291VUSGSSA
2023-01-0518:00 UTCm62611 798.70NAVD881VUSGSSA
2023-01-0518:00 UTCm720198.05  1VUSGSSA
2023-04-0619:09 UTCm62610 801.17NGVD291VUSGSSA
2023-04-0619:09 UTCm62611 800.99NAVD881VUSGSSA
2023-04-0619:09 UTCm720195.76  1VUSGSSA
2023-07-0517:30 UTCm62610 798.03NGVD291VUSGSSA
2023-07-0517:30 UTCm62611 797.85NAVD881VUSGSSA
2023-07-0517:30 UTCm720198.61  1VUSGSSA
2023-10-1118:29 UTCm62610 797.21NGVD291VUSGSSA
2023-10-1118:29 UTCm62611 797.03NAVD881VUSGSSA
2023-10-1118:29 UTCm720199.43  1VUSGSSA
2024-01-2217:54 UTCm62610 798.82NGVD291VUSGSSA
2024-01-2217:54 UTCm62611 798.64NAVD881VUSGSSA
2024-01-2217:54 UTCm720197.82  1VUSGSSA
2024-05-0115:55 UTCm62610 799.98NGVD291VUSGSSA
2024-05-0115:55 UTCm62611 799.80NAVD881VUSGSSA
2024-05-0115:55 UTCm720196.66  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 measurementVCalibrated electric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.