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Groundwater levels for the Nation

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  • 421747088270701
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USGS 421747088270701 44N7E-17.8h1 (WOOD-08-01)

Mchenry County, Illinois
Latitude  42°17'47.11", Longitude  88°27'06.99" NAD83
Land-surface elevation 943.39 feet above NAVD88
The depth of the well is 202.3 feet below land surface.
The depth of the hole is 258.2 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
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
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2009-09-1020:13 UTCm62610 864.93NGVD291SIL050AA
2009-09-1020:13 UTCm62611 864.79NAVD881SIL050AA
2009-09-1020:13 UTCm7201978.21  1SIL050AA
2010-01-2216:25 UTCm62610 866.63NGVD291VUSGSSA
2010-01-2216:25 UTCm62611 866.49NAVD881VUSGSSA
2010-01-2216:25 UTCm7201976.51  1VUSGSSA
2010-04-2813:58 UTCm62610 866.91NGVD291VUSGSSA
2010-04-2813:58 UTCm62611 866.77NAVD881VUSGSSA
2010-04-2813:58 UTCm7201976.23  1VUSGSSA
2010-11-1723:09 UTCm62610 863.71NGVD291VUSGSSA
2010-11-1723:09 UTCm62611 863.57NAVD881VUSGSSA
2010-11-1723:09 UTCm7201979.43  1VUSGSSA
2011-02-2321:43 UTCm62610 863.20NGVD291VUSGSSA
2011-02-2321:43 UTCm62611 863.06NAVD881VUSGSSA
2011-02-2321:43 UTCm7201979.94  1VUSGSSA
2011-05-2523:29 UTCm62610 864.88NGVD291VUSGSSA
2011-05-2523:29 UTCm62611 864.74NAVD881VUSGSSA
2011-05-2523:29 UTCm7201978.26  1VUSGSSA
2011-06-1418:19 UTCm62610 864.86NGVD291VUSGSSA
2011-06-1418:19 UTCm62611 864.72NAVD881VUSGSSA
2011-06-1418:19 UTCm7201978.28  1VUSGSSA
2011-08-0312:42 UTCm62610 863.07NGVD291VUSGSSA
2011-08-0312:42 UTCm62611 862.93NAVD881VUSGSSA
2011-08-0312:42 UTCm7201980.07  1VUSGSSA
2011-10-1217:27 UTCm62610 863.24NGVD291VUSGSSA
2011-10-1217:27 UTCm62611 863.10NAVD881VUSGSSA
2011-10-1217:27 UTCm7201979.90  1VUSGSSA
2012-03-0619:47 UTCm62610 864.73NGVD291VUSGSSA
2012-03-0619:47 UTCm62611 864.59NAVD881VUSGSSA
2012-03-0619:47 UTCm7201978.41  1VUSGSSA
2012-03-2017:53 UTCm62610 865.25NGVD291VUSGSSA
2012-03-2017:53 UTCm62611 865.11NAVD881VUSGSSA
2012-03-2017:53 UTCm7201977.89  1VUSGSSA
2012-05-2917:08 UTCm62610 864.58NGVD291VUSGSSA
2012-05-2917:08 UTCm62611 864.44NAVD881VUSGSSA
2012-05-2917:08 UTCm7201978.56  1VUSGSSA
2012-10-0920:43 UTCm62610 860.56NGVD291VUSGSSA
2012-10-0920:43 UTCm62611 860.42NAVD881VUSGSSA
2012-10-0920:43 UTCm7201982.58  1VUSGSSA
2013-04-2416:38 UTCm62610 864.05NGVD291VUSGSSA
2013-04-2416:38 UTCm62611 863.91NAVD881VUSGSSA
2013-04-2416:38 UTCm7201979.09  1VUSGSSA
2013-08-2616:25 UTCm62610 862.69NGVD291VUSGSSA
2013-08-2616:25 UTCm62611 862.55NAVD881VUSGSSA
2013-08-2616:25 UTCm7201980.45  1VUSGSSA
2013-10-2323:05 UTCm62610 863.13NGVD291VUSGSSA
2013-10-2323:05 UTCm62611 862.99NAVD881VUSGSSA
2013-10-2323:05 UTCm7201980.01  1VUSGSSA
2014-04-1515:18 UTCm62610 863.30NGVD291VUSGSSA
2014-04-1515:18 UTCm62611 863.16NAVD881VUSGSSA
2014-04-1515:18 UTCm7201979.84  1VUSGSSA
2014-10-0621:02 UTCm62610 864.20NGVD291VUSGSSA
2014-10-0621:02 UTCm62611 864.06NAVD881VUSGSSA
2014-10-0621:02 UTCm7201978.94  1VUSGSSA
2015-04-0622:34 UTCm62610 863.67NGVD291VUSGSSA
2015-04-0622:34 UTCm62611 863.53NAVD881VUSGSSA
2015-04-0622:34 UTCm7201979.47  1VUSGSSA
2015-10-0622:59 UTCm62610 864.05NGVD291VUSGSSA
2015-10-0622:59 UTCm62611 863.91NAVD881VUSGSSA
2015-10-0622:59 UTCm7201979.09  1VUSGSSA
2017-04-1117:24 UTCm62610 865.88NGVD291VUSGSSA
2017-04-1117:24 UTCm62611 865.74NAVD881VUSGSSA
2017-04-1117:24 UTCm7201977.26  1VUSGSSA
2017-09-1418:04 UTCm62610 866.20NGVD291VUSGSSA
2017-09-1418:04 UTCm62611 866.06NAVD881VUSGSSA
2017-09-1418:04 UTCm7201976.94  1VUSGSSA
2018-02-1319:51 UTCm62610 864.96NGVD291VUSGSSA
2018-02-1319:51 UTCm62611 864.82NAVD881VUSGSSA
2018-02-1319:51 UTCm7201978.18  1VUSGSSA
2018-05-2314:21 UTCm62610 865.55NGVD291VUSGSSA
2018-05-2314:21 UTCm62611 865.41NAVD881VUSGSSA
2018-05-2314:21 UTCm7201977.59  1VUSGSSA
2018-08-2814:36 UTCm62610 865.24NGVD291VUSGSSA
2018-08-2814:36 UTCm62611 865.10NAVD881VUSGSSA
2018-08-2814:36 UTCm7201977.90  1VUSGSSA
2018-11-1619:14 UTCm62610 868.36NGVD291VUSGSSA
2018-11-1619:14 UTCm62611 868.22NAVD881VUSGSSA
2018-11-1619:14 UTCm7201974.78  1VUSGSSA
2019-02-1420:24 UTCm62610 868.16NGVD291VUSGSSA
2019-02-1420:24 UTCm62611 868.02NAVD881VUSGSSA
2019-02-1420:24 UTCm7201974.98  1VUSGSSA
2019-05-3016:12 UTCm62610 869.99NGVD291VUSGSSA
2019-05-3016:12 UTCm62611 869.85NAVD881VUSGSSA
2019-05-3016:12 UTCm7201973.15  1VUSGSSA
2019-05-3118:50 UTCm62610 869.90NGVD291VUSGSSA
2019-05-3118:50 UTCm62611 869.76NAVD881VUSGSSA
2019-05-3118:50 UTCm7201973.24  1VUSGSSA
2019-08-0618:00 UTCm62610 866.96NGVD291VUSGSSA
2019-08-0618:00 UTCm62611 866.82NAVD881VUSGSSA
2019-08-0618:00 UTCm7201976.18  1VUSGSSA
2019-12-0216:59 UTCm62610 869.91NGVD291VUSGSSA
2019-12-0216:59 UTCm62611 869.77NAVD881VUSGSSA
2019-12-0216:59 UTCm7201973.23  1VUSGSSA
2020-02-0415:28 UTCm62610 869.44NGVD291VUSGSSA
2020-02-0415:28 UTCm62611 869.30NAVD881VUSGSSA
2020-02-0415:28 UTCm7201973.70  1VUSGSSA
2020-04-2117:19 UTCm62610 869.62NGVD291VUSGSSA
2020-04-2117:19 UTCm62611 869.48NAVD881VUSGSSA
2020-04-2117:19 UTCm7201973.52  1VUSGSSA
2020-07-1514:52 UTCm62610 868.29NGVD291VUSGSSA
2020-07-1514:52 UTCm62611 868.15NAVD881VUSGSSA
2020-07-1514:52 UTCm7201974.85  1VUSGSSA
2020-09-0117:21 UTCm62610 865.47NGVD291VUSGSSA
2020-09-0117:21 UTCm62611 865.33NAVD881VUSGSSA
2020-09-0117:21 UTCm7201977.67  1VUSGSSA
2020-12-1418:07 UTCm62610 866.59NGVD291VUSGSSA
2020-12-1418:07 UTCm62611 866.45NAVD881VUSGSSA
2020-12-1418:07 UTCm7201976.55  1VUSGSSA
2020-12-2317:46 UTCm62610 866.80NGVD291VUSGSSA
2020-12-2317:46 UTCm62611 866.66NAVD881VUSGSSA
2020-12-2317:46 UTCm7201976.34  1VUSGSSA
2021-02-1020:38 UTCm62610 865.60NGVD291VUSGSSA
2021-02-1020:38 UTCm62611 865.46NAVD881VUSGSSA
2021-02-1020:38 UTCm7201977.54  1VUSGSSA
2021-05-1316:06 UTCm62610 865.00NGVD291VUSGSSA
2021-05-1316:06 UTCm62611 864.86NAVD881VUSGSSA
2021-05-1316:06 UTCm7201978.14  1VUSGSSA
2021-08-1717:18 UTCm62610 862.42NGVD291VUSGSSA
2021-08-1717:18 UTCm62611 862.28NAVD881VUSGSSA
2021-08-1717:18 UTCm7201980.72  1VUSGSSA
2021-11-1918:09 UTCm62610 862.77NGVD291VUSGSSA
2021-11-1918:09 UTCm62611 862.63NAVD881VUSGSSA
2021-11-1918:09 UTCm7201980.37  1VUSGSSA
2022-02-0420:04 UTCm62610 862.66NGVD291VUSGSSA
2022-02-0420:04 UTCm62611 862.52NAVD881VUSGSSA
2022-02-0420:04 UTCm7201980.48  1VUSGSSA
2022-06-1418:32 UTCm62610 864.57NGVD291VUSGSSA
2022-06-1418:32 UTCm62611 864.43NAVD881VUSGSSA
2022-06-1418:32 UTCm7201978.57  1VUSGSSA
2022-10-0518:45 UTCm62610 863.50NGVD291VUSGSSA
2022-10-0518:45 UTCm62611 863.36NAVD881VUSGSSA
2022-10-0518:45 UTCm7201979.64  1VUSGSSA
2023-02-0100:08 UTCm62610 863.51NGVD291VUSGSSA
2023-02-0100:08 UTCm62611 863.37NAVD881VUSGSSA
2023-02-0100:08 UTCm7201979.63  1VUSGSSA
2023-05-0916:45 UTCm62610 865.51NGVD291VUSGSSA
2023-05-0916:45 UTCm62611 865.37NAVD881VUSGSSA
2023-05-0916:45 UTCm7201977.63  1VUSGSSA
2023-08-2118:25 UTCm62610 861.84NGVD291VUSGSSA
2023-08-2118:25 UTCm62611 861.70NAVD881VUSGSSA
2023-08-2118:25 UTCm7201981.69  1VUSGSSA
2023-12-0421:07 UTCm62610 863.40NGVD291VUSGSSA
2023-12-0421:07 UTCm62611 863.26NAVD881VUSGSSA
2023-12-0421:07 UTCm7201980.13  1VUSGSSA
2024-03-2017:54 UTCm62610 864.84NGVD291VUSGSSA
2024-03-2017:54 UTCm62611 864.70NAVD881VUSGSSA
2024-03-2017:54 UTCm7201978.69  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 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.