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Groundwater levels for the Nation

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  • 421122088222702
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USGS 421122088222702 43N7E-23.1d2 (16-GRF-D)

Mchenry County, Illinois
Latitude  42°11'22", Longitude  88°22'27" NAD83
Land-surface elevation 879.46 feet above NAVD88
The depth of the well is 139.1 feet below land surface.
The depth of the hole is 171 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
?
 
Status
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Method of
measurement
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agency
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measurement
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status
2010-01-2020:27 UTCm62610 859.08NGVD291VUSGSSA
2010-01-2020:27 UTCm62611 858.93NAVD881VUSGSSA
2010-01-2020:27 UTCm7201920.58  1VUSGSSA
2010-04-2713:28 UTCm62610 859.54NGVD291VUSGSSA
2010-04-2713:28 UTCm62611 859.39NAVD881VUSGSSA
2010-04-2713:28 UTCm7201920.12  1VUSGSSA
2010-09-2818:44 UTCm62610 858.08NGVD291VUSGSSA
2010-09-2818:44 UTCm62611 857.93NAVD881VUSGSSA
2010-09-2818:44 UTCm7201921.58  1VUSGSSA
2010-10-1313:10 UTCm62610 856.70NGVD291VUSGSSA
2010-10-1313:10 UTCm62611 856.55NAVD881VUSGSSA
2010-10-1313:10 UTCm7201922.96  1VUSGSSA
2010-10-1318:02 UTCm62610 856.39NGVD291VUSGSSA
2010-10-1318:02 UTCm62611 856.24NAVD881VUSGSSA
2010-10-1318:02 UTCm7201923.27  1VUSGSSA
2011-05-2518:22 UTCm62610 860.41NGVD291VUSGSSA
2011-05-2518:22 UTCm62611 860.26NAVD881VUSGSSA
2011-05-2518:22 UTCm7201919.25  1VUSGSSA
2011-08-0220:00 UTCm62610 858.68NGVD291VUSGSSA
2011-08-0220:00 UTCm62611 858.53NAVD881VUSGSSA
2011-08-0220:00 UTCm7201920.98  1VUSGSSA
2011-10-1120:03 UTCm62610 858.43NGVD291VUSGSSA
2011-10-1120:03 UTCm62611 858.28NAVD881VUSGSSA
2011-10-1120:03 UTCm7201921.23  1VUSGSSA
2012-03-0620:46 UTCm62610 859.48NGVD291VUSGSSA
2012-03-0620:46 UTCm62611 859.33NAVD881VUSGSSA
2012-03-0620:46 UTCm7201920.18  1VUSGSSA
2012-10-0916:16 UTCm62610 852.36NGVD291VUSGSSA
2012-10-0916:16 UTCm62611 852.21NAVD881VUSGSSA
2012-10-0916:16 UTCm7201927.30  1VUSGSSA
2013-04-1518:24 UTCm62610 858.61NGVD291VUSGSSA
2013-04-1518:24 UTCm62611 858.46NAVD881VUSGSSA
2013-04-1518:24 UTCm7201921.05  1VUSGSSA
2013-10-2415:58 UTCm62610 856.73NGVD291VUSGSSA
2013-10-2415:58 UTCm62611 856.58NAVD881VUSGSSA
2013-10-2415:58 UTCm7201922.93  1VUSGSSA
2014-04-1418:20 UTCm62610 858.74NGVD291VUSGSSA
2014-04-1418:20 UTCm62611 858.59NAVD881VUSGSSA
2014-04-1418:20 UTCm7201920.92  1VUSGSSA
2014-10-0616:39 UTCm62610 857.83NGVD291VUSGSSA
2014-10-0616:39 UTCm62611 857.68NAVD881VUSGSSA
2014-10-0616:39 UTCm7201921.83  1VUSGSSA
2015-04-0615:12 UTCm62610 857.00NGVD291VUSGSSA
2015-04-0615:12 UTCm62611 856.85NAVD881VUSGSSA
2015-04-0615:12 UTCm7201922.66  1VUSGSSA
2015-10-0616:35 UTCm62610 857.61NGVD291VUSGSSA
2015-10-0616:35 UTCm62611 857.46NAVD881VUSGSSA
2015-10-0616:35 UTCm7201922.05  1VUSGSSA
2016-03-2917:31 UTCm62610 860.95NGVD291VUSGSSA
2016-03-2917:31 UTCm62611 860.80NAVD881VUSGSSA
2016-03-2917:31 UTCm7201918.71  1VUSGSSA
2016-11-2116:41 UTCm62610 857.42NGVD291VUSGSSA
2016-11-2116:41 UTCm62611 857.27NAVD881VUSGSSA
2016-11-2116:41 UTCm7201922.24  1VUSGSSA
2016-12-2018:30 UTCm62610 857.14NGVD291VUSGSSA
2016-12-2018:30 UTCm62611 856.99NAVD881VUSGSSA
2016-12-2018:30 UTCm7201922.52  1VUSGSSA
2017-05-1818:20 UTCm62610 861.63NGVD291VUSGSSA
2017-05-1818:20 UTCm62611 861.48NAVD881VUSGSSA
2017-05-1818:20 UTCm7201918.03  1VUSGSSA
2017-09-0519:17 UTCm62610 858.59NGVD291VUSGSSA
2017-09-0519:17 UTCm62611 858.44NAVD881VUSGSSA
2017-09-0519:17 UTCm7201921.07  1VUSGSSA
2017-11-1420:22 UTCm62610 860.02NGVD291VUSGSSA
2017-11-1420:22 UTCm62611 859.87NAVD881VUSGSSA
2017-11-1420:22 UTCm7201919.64  1VUSGSSA
2017-11-2717:06 UTCm62610 859.79NGVD291VUSGSSA
2017-11-2717:06 UTCm62611 859.64NAVD881VUSGSSA
2017-11-2717:06 UTCm7201919.87  1VUSGSSA
2018-02-1620:15 UTCm62610 858.86NGVD291VUSGSSA
2018-02-1620:15 UTCm62611 858.71NAVD881VUSGSSA
2018-02-1620:15 UTCm7201920.80  1VUSGSSA
2018-05-0813:34 UTCm62610 859.34NGVD291VUSGSSA
2018-05-0813:34 UTCm62611 859.19NAVD881VUSGSSA
2018-05-0813:34 UTCm7201920.32  1VUSGSSA
2018-08-1516:06 UTCm62610 857.75NGVD291VUSGSSA
2018-08-1516:06 UTCm62611 857.60NAVD881VUSGSSA
2018-08-1516:06 UTCm7201921.91  1VUSGSSA
2018-11-1515:04 UTCm62610 861.22NGVD291VUSGSSA
2018-11-1515:04 UTCm62611 861.07NAVD881VUSGSSA
2018-11-1515:04 UTCm7201918.44  1VUSGSSA
2019-02-2215:42 UTCm62610 861.06NGVD291VUSGSSA
2019-02-2215:42 UTCm62611 860.91NAVD881VUSGSSA
2019-02-2215:42 UTCm7201918.60  1VUSGSSA
2019-05-0815:14 UTCm62610 862.29NGVD291VUSGSSA
2019-05-0815:14 UTCm62611 862.14NAVD881VUSGSSA
2019-05-0815:14 UTCm7201917.37  1VUSGSSA
2019-08-2113:46 UTCm62610 858.29NGVD291VUSGSSA
2019-08-2113:46 UTCm62611 858.14NAVD881VUSGSSA
2019-08-2113:46 UTCm7201921.37  1VUSGSSA
2019-11-1920:24 UTCm62610 860.66NGVD291VUSGSSA
2019-11-1920:24 UTCm62611 860.51NAVD881VUSGSSA
2019-11-1920:24 UTCm7201919.00  1VUSGSSA
2020-02-2415:07 UTCm62610 859.12NGVD291VUSGSSA
2020-02-2415:07 UTCm62611 858.97NAVD881VUSGSSA
2020-02-2415:07 UTCm7201920.54  1VUSGSSA
2020-04-2313:27 UTCm62610 859.82NGVD291VUSGSSA
2020-04-2313:27 UTCm62611 859.67NAVD881VUSGSSA
2020-04-2313:27 UTCm7201919.84  1VUSGSSA
2020-06-1715:00 UTCm62610 860.40NGVD291VUSGSSA
2020-06-1715:00 UTCm62611 860.25NAVD881VUSGSSA
2020-06-1715:00 UTCm7201919.26  1VUSGSSA
2020-07-2813:41 UTCm62610 856.40NGVD291VUSGSSA
2020-07-2813:41 UTCm62611 856.25NAVD881VUSGSSA
2020-07-2813:41 UTCm7201923.26  1VUSGSSA
2020-12-2118:02 UTCm62610 858.22NGVD291VUSGSSA
2020-12-2118:02 UTCm62611 858.07NAVD881VUSGSSA
2020-12-2118:02 UTCm7201921.44  1VUSGSSA
2021-02-1017:59 UTCm62610 857.55NGVD291VUSGSSA
2021-02-1017:59 UTCm62611 857.40NAVD881VUSGSSA
2021-02-1017:59 UTCm7201922.11  1VUSGSSA
2021-05-0418:12 UTCm62610 855.88NGVD291VUSGSSA
2021-05-0418:12 UTCm62611 855.73NAVD881VUSGSSA
2021-05-0418:12 UTCm7201923.78  1VUSGSSA
2021-08-2318:12 UTCm62610 854.49NGVD291VUSGSSA
2021-08-2318:12 UTCm62611 854.34NAVD881VUSGSSA
2021-08-2318:12 UTCm7201925.17  1VUSGSSA
2021-11-3021:01 UTCm62610 855.55NGVD291VUSGSSA
2021-11-3021:01 UTCm62611 855.40NAVD881VUSGSSA
2021-11-3021:01 UTCm7201924.11  1VUSGSSA
2022-03-0121:18 UTCm62610 855.95NGVD291VUSGSSA
2022-03-0121:18 UTCm62611 855.80NAVD881VUSGSSA
2022-03-0121:18 UTCm7201923.71  1VUSGSSA
2022-06-2217:41 UTCm62610 858.32NGVD291VUSGSSA
2022-06-2217:41 UTCm62611 858.17NAVD881VUSGSSA
2022-06-2217:41 UTCm7201921.34  1VUSGSSA
2022-08-2417:52 UTCm62610 858.10NGVD291VUSGSSA
2022-08-2417:52 UTCm62611 857.95NAVD881VUSGSSA
2022-08-2417:52 UTCm7201921.56  1VUSGSSA
2022-12-1420:18 UTCm62610 857.60NGVD291VUSGSSA
2022-12-1420:18 UTCm62611 857.45NAVD881VUSGSSA
2022-12-1420:18 UTCm7201922.06  1VUSGSSA
2023-03-1617:06 UTCm62610 861.18NGVD291VUSGSSA
2023-03-1617:06 UTCm62611 861.03NAVD881VUSGSSA
2023-03-1617:06 UTCm7201918.48  1VUSGSSA
2023-06-1319:14 UTCm62610 856.13NGVD291VUSGSSA
2023-06-1319:14 UTCm62611 855.98NAVD881VUSGSSA
2023-06-1319:14 UTCm7201923.48  1VUSGSSA
2023-09-1417:07 UTCm62610 854.45NGVD291VUSGSSA
2023-09-1417:07 UTCm62611 854.30NAVD881VUSGSSA
2023-09-1417:07 UTCm7201925.16  1VUSGSSA
2024-01-0221:29 UTCm62610 858.03NGVD291VUSGSSA
2024-01-0221:29 UTCm62611 857.88NAVD881VUSGSSA
2024-01-0221:29 UTCm7201921.58  1VUSGSSA
2024-04-1518:26 UTCm62610 860.57NGVD291VUSGSSA
2024-04-1518:26 UTCm62611 860.42NAVD881VUSGSSA
2024-04-1518:26 UTCm7201919.04  1VUSGSSA
2024-07-3121:40 UTCm62610 860.07NGVD291VUSGSSA
2024-07-3121:40 UTCm62611 859.92NAVD881VUSGSSA
2024-07-3121:40 UTCm7201919.54  1VUSGSSA
2024-11-1820:29 UTCm62610 857.49NGVD291VUSGSSA
2024-11-1820:29 UTCm62611 857.34NAVD881VUSGSSA
2024-11-1820:29 UTCm7201922.12  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.