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Groundwater levels for the Nation

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USGS 422308088231001 45N7E-11.5a1 (8-GRN-I)

Mchenry County, Illinois
Latitude  42°23'08", Longitude  88°23'10" NAD83
Land-surface elevation 856.06 feet above NAVD88
The depth of the well is 70.3 feet below land surface.
The depth of the hole is 176 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
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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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Measuring
agency
?
 
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measurement
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Water-level
approval
status
2009-02-2613:58 UTCm62610 851.41NGVD291SIL050AA
2009-02-2613:58 UTCm62611 851.21NAVD881SIL050AA
2009-02-2613:58 UTCm720194.76  1SIL050AA
2010-01-1916:51 UTCm62610 851.31NGVD291VUSGSSA
2010-01-1916:51 UTCm62611 851.11NAVD881VUSGSSA
2010-01-1916:51 UTCm720194.86  1VUSGSSA
2010-04-2718:06 UTCm62610 852.22NGVD291VUSGSSA
2010-04-2718:06 UTCm62611 852.02NAVD881VUSGSSA
2010-04-2718:06 UTCm720193.95  1VUSGSSA
2010-11-0221:18 UTCm62610 849.99NGVD291VUSGSSA
2010-11-0221:18 UTCm62611 849.79NAVD881VUSGSSA
2010-11-0221:18 UTCm720196.18  1VUSGSSA
2011-02-2416:31 UTCm62610 848.54NGVD291VUSGSSA
2011-02-2416:31 UTCm62611 848.34NAVD881VUSGSSA
2011-02-2416:31 UTCm720197.63  1VUSGSSA
2011-05-2614:14 UTCm62610 851.48NGVD291VUSGSSA
2011-05-2614:14 UTCm62611 851.28NAVD881VUSGSSA
2011-05-2614:14 UTCm720194.69  1VUSGSSA
2011-08-0315:07 UTCm62610 851.59NGVD291VUSGSSA
2011-08-0315:07 UTCm62611 851.39NAVD881VUSGSSA
2011-08-0315:07 UTCm720194.58  1VUSGSSA
2011-10-1220:02 UTCm62610 850.30NGVD291VUSGSSA
2011-10-1220:02 UTCm62611 850.10NAVD881VUSGSSA
2011-10-1220:02 UTCm720195.87  1VUSGSSA
2012-03-0717:44 UTCm62610 850.15NGVD291VUSGSSA
2012-03-0717:44 UTCm62611 849.95NAVD881VUSGSSA
2012-03-0717:44 UTCm720196.02  1VUSGSSA
2012-10-1017:23 UTCm62610 847.41NGVD291VUSGSSA
2012-10-1017:23 UTCm62611 847.21NAVD881VUSGSSA
2012-10-1017:23 UTCm720198.76  1VUSGSSA
2013-04-2418:08 UTCm62610 851.17NGVD291VUSGSSA
2013-04-2418:08 UTCm62611 850.97NAVD881VUSGSSA
2013-04-2418:08 UTCm720195.00  1VUSGSSA
2013-10-2320:46 UTCm62610 849.14NGVD291VUSGSSA
2013-10-2320:46 UTCm62611 848.94NAVD881VUSGSSA
2013-10-2320:46 UTCm720197.03  1VUSGSSA
2014-04-1517:23 UTCm62610 849.11NGVD291VUSGSSA
2014-04-1517:23 UTCm62611 848.91NAVD881VUSGSSA
2014-04-1517:23 UTCm720197.06  1VUSGSSA
2014-10-0623:01 UTCm62610 849.90NGVD291VUSGSSA
2014-10-0623:01 UTCm62611 849.70NAVD881VUSGSSA
2014-10-0623:01 UTCm720196.27  1VUSGSSA
2015-04-0620:01 UTCm62610 848.50NGVD291VUSGSSA
2015-04-0620:01 UTCm62611 848.30NAVD881VUSGSSA
2015-04-0620:01 UTCm720197.67  1VUSGSSA
2015-10-0621:07 UTCm62610 850.62NGVD291VUSGSSA
2015-10-0621:07 UTCm62611 850.42NAVD881VUSGSSA
2015-10-0621:07 UTCm720195.55  1VUSGSSA
2016-04-1319:00 UTCm62610 853.62NGVD291VUSGSSA
2016-04-1319:00 UTCm62611 853.42NAVD881VUSGSSA
2016-04-1319:00 UTCm720192.55  1VUSGSSA
2016-11-3021:04 UTCm62610 848.97NGVD291VUSGSSA
2016-11-3021:04 UTCm62611 848.77NAVD881VUSGSSA
2016-11-3021:04 UTCm720197.20  1VUSGSSA
2017-05-2416:46 UTCm62610 853.95NGVD291VUSGSSA
2017-05-2416:46 UTCm62611 853.75NAVD881VUSGSSA
2017-05-2416:46 UTCm720192.22  1VUSGSSA
2017-08-2915:37 UTCm62610 853.41NGVD291VUSGSSA
2017-08-2915:37 UTCm62611 853.21NAVD881VUSGSSA
2017-08-2915:37 UTCm720192.76  1VUSGSSA
2017-11-1320:49 UTCm62610 851.20NGVD291VUSGSSA
2017-11-1320:49 UTCm62611 851.00NAVD881VUSGSSA
2017-11-1320:49 UTCm720194.97  1VUSGSSA
2018-02-1616:36 UTCm62610 849.79NGVD291VUSGSSA
2018-02-1616:36 UTCm62611 849.59NAVD881VUSGSSA
2018-02-1616:36 UTCm720196.38  1VUSGSSA
2018-05-0717:30 UTCm62610 850.20NGVD291VUSGSSA
2018-05-0717:30 UTCm62611 850.00NAVD881VUSGSSA
2018-05-0717:30 UTCm720195.97  1VUSGSSA
2018-08-1412:46 UTCm62610 852.40NGVD291VUSGSSA
2018-08-1412:46 UTCm62611 852.20NAVD881VUSGSSA
2018-08-1412:46 UTCm720193.77  1VUSGSSA
2018-11-1420:28 UTCm62610 853.96NGVD291VUSGSSA
2018-11-1420:28 UTCm62611 853.76NAVD881VUSGSSA
2018-11-1420:28 UTCm720192.21  1VUSGSSA
2018-11-2917:10 UTCm62610 853.52NGVD291VUSGSSA
2018-11-2917:10 UTCm62611 853.32NAVD881VUSGSSA
2018-11-2917:10 UTCm720192.65  1VUSGSSA
2019-02-2119:03 UTCm62610 853.82NGVD291VUSGSSA
2019-02-2119:03 UTCm62611 853.62NAVD881VUSGSSA
2019-02-2119:03 UTCm720192.35  1VUSGSSA
2019-05-0720:16 UTCm62610 854.67NGVD291VUSGSSA
2019-05-0720:16 UTCm62611 854.47NAVD881VUSGSSA
2019-05-0720:16 UTCm720191.50  1VUSGSSA
2019-08-0716:54 UTCm62610 853.05NGVD291VUSGSSA
2019-08-0716:54 UTCm62611 852.85NAVD881VUSGSSA
2019-08-0716:54 UTCm720193.12  1VUSGSSA
2019-11-1919:00 UTCm62610 855.03NGVD291VUSGSSA
2019-11-1919:00 UTCm62611 854.83NAVD881VUSGSSA
2019-11-1919:00 UTCm720191.14  1VUSGSSA
2020-02-2816:30 UTCm62610 853.13NGVD291VUSGSSA
2020-02-2816:30 UTCm62611 852.93NAVD881VUSGSSA
2020-02-2816:30 UTCm720193.04  1VUSGSSA
2020-04-2317:17 UTCm62610 854.47NGVD291VUSGSSA
2020-04-2317:17 UTCm62611 854.27NAVD881VUSGSSA
2020-04-2317:17 UTCm720191.70  1VUSGSSA
2020-07-1618:01 UTCm62610 854.55NGVD291VUSGSSA
2020-07-1618:01 UTCm62611 854.35NAVD881VUSGSSA
2020-07-1618:01 UTCm720191.62  1VUSGSSA
2020-08-2715:52 UTCm62610 852.62NGVD291VUSGSSA
2020-08-2715:52 UTCm62611 852.42NAVD881VUSGSSA
2020-08-2715:52 UTCm720193.55  1VUSGSSA
2020-11-1716:04 UTCm62610 850.77NGVD291VUSGSSA
2020-11-1716:04 UTCm62611 850.57NAVD881VUSGSSA
2020-11-1716:04 UTCm720195.40  1VUSGSSA
2021-02-0920:45 UTCm62610 849.63NGVD291VUSGSSA
2021-02-0920:45 UTCm62611 849.43NAVD881VUSGSSA
2021-02-0920:45 UTCm720196.54  1VUSGSSA
2021-05-1220:42 UTCm62610 849.55NGVD291VUSGSSA
2021-05-1220:42 UTCm62611 849.35NAVD881VUSGSSA
2021-05-1220:42 UTCm720196.62  1VUSGSSA
2021-08-1618:17 UTCm62610 847.81NGVD291VUSGSSA
2021-08-1618:17 UTCm62611 847.61NAVD881VUSGSSA
2021-08-1618:17 UTCm720198.36  1VUSGSSA
2021-10-0818:04 UTCm62610 847.60NGVD291VUSGSSA
2021-10-0818:04 UTCm62611 847.40NAVD881VUSGSSA
2021-10-0818:04 UTCm720198.57  1VUSGSSA
2021-11-1919:15 UTCm62610 847.34NGVD291VUSGSSA
2021-11-1919:15 UTCm62611 847.14NAVD881VUSGSSA
2021-11-1919:15 UTCm720198.83  1VUSGSSA
2022-02-1019:36 UTCm62610 846.93NGVD291VUSGSSA
2022-02-1019:36 UTCm62611 846.73NAVD881VUSGSSA
2022-02-1019:36 UTCm720199.24  1VUSGSSA
2022-02-1718:28 UTCm62610 846.92NGVD291VUSGSSA
2022-02-1718:28 UTCm62611 846.72NAVD881VUSGSSA
2022-02-1718:28 UTCm720199.25  1VUSGSSA
2022-05-2320:01 UTCm62610 849.35NGVD291VUSGSSA
2022-05-2320:01 UTCm62611 849.15NAVD881VUSGSSA
2022-05-2320:01 UTCm720196.82  1VUSGSSA
2022-09-1419:36 UTCm62610 849.01NGVD291VUSGSSA
2022-09-1419:36 UTCm62611 848.81NAVD881VUSGSSA
2022-09-1419:36 UTCm720197.16  1VUSGSSA
2023-01-1020:05 UTCm62610 848.16NGVD291VUSGSSA
2023-01-1020:05 UTCm62611 847.96NAVD881VUSGSSA
2023-01-1020:05 UTCm720198.01  1VUSGSSA
2023-04-1820:29 UTCm62610 851.90NGVD291VUSGSSA
2023-04-1820:29 UTCm62611 851.70NAVD881VUSGSSA
2023-04-1820:29 UTCm720194.27  1VUSGSSA
2023-08-0117:18 UTCm62610 848.78NGVD291VUSGSSA
2023-08-0117:18 UTCm62611 848.58NAVD881VUSGSSA
2023-08-0117:18 UTCm720197.48  1VUSGSSA
2023-11-1619:13 UTCm62610 848.22NGVD291VUSGSSA
2023-11-1619:13 UTCm62611 848.02NAVD881VUSGSSA
2023-11-1619:13 UTCm720198.04  1VUSGSSA
2024-02-2920:21 UTCm62610 848.86NGVD291VUSGSSA
2024-02-2920:21 UTCm62611 848.66NAVD881VUSGSSA
2024-02-2920:21 UTCm720197.40  1VUSGSSA
2024-06-1718:06 UTCm62610 850.78NGVD291VUSGSSA
2024-06-1718:06 UTCm62611 850.58NAVD881VUSGSSA
2024-06-1718:06 UTCm720195.48  1VUSGSSA
2024-09-3019:31 UTCm62610 850.85NGVD291VUSGSSA
2024-09-3019:31 UTCm62611 850.65NAVD881VUSGSSA
2024-09-3019:31 UTCm720195.41  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.