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Groundwater levels for the Nation

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  • 421626088311401
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USGS 421626088311401 44N6E-22.4c1 (11-SEN-I)

Mchenry County, Illinois
Latitude  42°16'26.4", Longitude  88°31'14.3" NAD83
Land-surface elevation 830.55 feet above NAVD88
The depth of the well is 75.4 feet below land surface.
The depth of the hole is 155 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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Date Time
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Water-level
date-time
accuracy
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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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Source of
measurement
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Water-level
approval
status
2010-01-2215:54 UTCm62610 827.01NGVD291VUSGSSA
2010-01-2215:54 UTCm62611 826.84NAVD881VUSGSSA
2010-01-2215:54 UTCm720193.79  1VUSGSSA
2010-04-2814:23 UTCm62610 827.16NGVD291VUSGSSA
2010-04-2814:23 UTCm62611 826.99NAVD881VUSGSSA
2010-04-2814:23 UTCm720193.64  1VUSGSSA
2010-09-2415:30 UTCm62610 825.87NGVD291SIL050AA
2010-09-2415:30 UTCm62611 825.70NAVD881SIL050AA
2010-09-2415:30 UTCm720194.93  1SIL050AA
2010-09-2815:57 UTCm62610 825.83NGVD291VUSGSSA
2010-09-2815:57 UTCm62611 825.66NAVD881VUSGSSA
2010-09-2815:57 UTCm720194.97  1VUSGSSA
2010-09-2915:03 UTCm62610 825.82NGVD291VUSGSSA
2010-09-2915:03 UTCm62611 825.65NAVD881VUSGSSA
2010-09-2915:03 UTCm720194.98  1VUSGSSA
2010-10-2616:13 UTCm62610 825.76NGVD291VUSGSSA
2010-10-2616:13 UTCm62611 825.59NAVD881VUSGSSA
2010-10-2616:13 UTCm720195.04  1VUSGSSA
2010-11-0921:21 UTCm62610 825.61NGVD291VUSGSSA
2010-11-0921:21 UTCm62611 825.44NAVD881VUSGSSA
2010-11-0921:21 UTCm720195.19  1VUSGSSA
2011-01-0618:47 UTCm62610 825.79NGVD291VUSGSSA
2011-01-0618:47 UTCm62611 825.62NAVD881VUSGSSA
2011-01-0618:47 UTCm720195.01  1VUSGSSA
2011-01-0621:43 UTCm62610 825.78NGVD291VUSGSSA
2011-01-0621:43 UTCm62611 825.61NAVD881VUSGSSA
2011-01-0621:43 UTCm720195.02  1VUSGSSA
2011-01-0720:58 UTCm62610 825.76NGVD291VUSGSSA
2011-01-0720:58 UTCm62611 825.59NAVD881VUSGSSA
2011-01-0720:58 UTCm720195.04  1VUSGSSA
2011-02-2221:41 UTCm62610 827.04NGVD291VUSGSSA
2011-02-2221:41 UTCm62611 826.87NAVD881VUSGSSA
2011-02-2221:41 UTCm720193.76  1VUSGSSA
2011-04-1421:15 UTCm62610 827.12NGVD291VUSGSSA
2011-04-1421:15 UTCm62611 826.95NAVD881VUSGSSA
2011-04-1421:15 UTCm720193.68  1VUSGSSA
2011-05-2515:23 UTCm62610 827.37NGVD291VUSGSSA
2011-05-2515:23 UTCm62611 827.20NAVD881VUSGSSA
2011-05-2515:23 UTCm720193.43  1VUSGSSA
2011-08-0216:49 UTCm62610 826.96NGVD291VUSGSSA
2011-08-0216:49 UTCm62611 826.79NAVD881VUSGSSA
2011-08-0216:49 UTCm720193.84  1VUSGSSA
2011-10-1116:00 UTCm62610 826.55NGVD291VUSGSSA
2011-10-1116:00 UTCm62611 826.38NAVD881VUSGSSA
2011-10-1116:00 UTCm720194.25  1VUSGSSA
2012-03-0617:14 UTCm62610 827.42NGVD291VUSGSSA
2012-03-0617:14 UTCm62611 827.25NAVD881VUSGSSA
2012-03-0617:14 UTCm720193.38  1VUSGSSA
2012-10-1020:46 UTCm62610 824.30NGVD291VUSGSSA
2012-10-1020:46 UTCm62611 824.13NAVD881VUSGSSA
2012-10-1020:46 UTCm720196.50  1VUSGSSA
2013-04-1514:40 UTCm62610 827.61NGVD291VUSGSSA
2013-04-1514:40 UTCm62611 827.44NAVD881VUSGSSA
2013-04-1514:40 UTCm720193.19  1VUSGSSA
2013-10-2418:14 UTCm62610 825.69NGVD291VUSGSSA
2013-10-2418:14 UTCm62611 825.52NAVD881VUSGSSA
2013-10-2418:14 UTCm720195.11  1VUSGSSA
2014-04-1415:19 UTCm62610 828.03NGVD291VUSGSSA
2014-04-1415:19 UTCm62611 827.86NAVD881VUSGSSA
2014-04-1415:19 UTCm720192.77  1VUSGSSA
2014-10-0614:23 UTCm62610 826.21NGVD291VUSGSSA
2014-10-0614:23 UTCm62611 826.04NAVD881VUSGSSA
2014-10-0614:23 UTCm720194.59  1VUSGSSA
2015-04-0613:13 UTCm62610 826.60NGVD291VUSGSSA
2015-04-0613:13 UTCm62611 826.43NAVD881VUSGSSA
2015-04-0613:13 UTCm720194.20  1VUSGSSA
2015-10-0613:56 UTCm62610 826.57NGVD291VUSGSSA
2015-10-0613:56 UTCm62611 826.40NAVD881VUSGSSA
2015-10-0613:56 UTCm720194.23  1VUSGSSA
2016-03-2914:44 UTCm62610 828.13NGVD291VUSGSSA
2016-03-2914:44 UTCm62611 827.96NAVD881VUSGSSA
2016-03-2914:44 UTCm720192.67  1VUSGSSA
2016-11-2916:47 UTCm62610 826.49NGVD291VUSGSSA
2016-11-2916:47 UTCm62611 826.32NAVD881VUSGSSA
2016-11-2916:47 UTCm720194.31  1VUSGSSA
2017-05-2418:47 UTCm62610 828.32NGVD291VUSGSSA
2017-05-2418:47 UTCm62611 828.15NAVD881VUSGSSA
2017-05-2418:47 UTCm720192.48  1VUSGSSA
2017-11-1521:24 UTCm62610 827.04NGVD291VUSGSSA
2017-11-1521:24 UTCm62611 826.87NAVD881VUSGSSA
2017-11-1521:24 UTCm720193.76  1VUSGSSA
2018-02-1320:46 UTCm62610 826.26NGVD291VUSGSSA
2018-02-1320:46 UTCm62611 826.09NAVD881VUSGSSA
2018-02-1320:46 UTCm720194.54  1VUSGSSA
2018-05-2315:07 UTCm62610 827.88NGVD291VUSGSSA
2018-05-2315:07 UTCm62611 827.71NAVD881VUSGSSA
2018-05-2315:07 UTCm720192.92  1VUSGSSA
2018-08-2115:38 UTCm62610 826.19NGVD291VUSGSSA
2018-08-2115:38 UTCm62611 826.02NAVD881VUSGSSA
2018-08-2115:38 UTCm720194.61  1VUSGSSA
2018-11-1615:55 UTCm62610 827.89NGVD291VUSGSSA
2018-11-1615:55 UTCm62611 827.72NAVD881VUSGSSA
2018-11-1615:55 UTCm720192.91  1VUSGSSA
2019-02-0720:46 UTCm62610 828.96NGVD291VUSGSSA
2019-02-0720:46 UTCm62611 828.79NAVD881VUSGSSA
2019-02-0720:46 UTCm720191.84  1VUSGSSA
2019-06-1115:14 UTCm62610 828.14NGVD291VUSGSSA
2019-06-1115:14 UTCm62611 827.97NAVD881VUSGSSA
2019-06-1115:14 UTCm720192.66  1VUSGSSA
2019-08-0616:53 UTCm62610 826.49NGVD291VUSGSSA
2019-08-0616:53 UTCm62611 826.32NAVD881VUSGSSA
2019-08-0616:53 UTCm720194.31  1VUSGSSA
2019-12-0315:02 UTCm62610 828.08NGVD291VUSGSSA
2019-12-0315:02 UTCm62611 827.91NAVD881VUSGSSA
2019-12-0315:02 UTCm720192.72  1VUSGSSA
2020-02-0415:02 UTCm62610 827.72NGVD291VUSGSSA
2020-02-0415:02 UTCm62611 827.55NAVD881VUSGSSA
2020-02-0415:02 UTCm720193.08  1VUSGSSA
2020-04-2116:59 UTCm62610 827.39NGVD291VUSGSSA
2020-04-2116:59 UTCm62611 827.22NAVD881VUSGSSA
2020-04-2116:59 UTCm720193.41  1VUSGSSA
2020-06-1214:15 UTCm62610 827.97NGVD291VUSGSSA
2020-06-1214:15 UTCm62611 827.80NAVD881VUSGSSA
2020-06-1214:15 UTCm720192.83  1VUSGSSA
2020-09-0117:44 UTCm62610 825.67NGVD291VUSGSSA
2020-09-0117:44 UTCm62611 825.50NAVD881VUSGSSA
2020-09-0117:44 UTCm720195.13  1VUSGSSA
2020-12-1418:42 UTCm62610 826.22NGVD291VUSGSSA
2020-12-1418:42 UTCm62611 826.05NAVD881VUSGSSA
2020-12-1418:42 UTCm720194.58  1VUSGSSA
2021-02-1020:12 UTCm62610 825.54NGVD291VUSGSSA
2021-02-1020:12 UTCm62611 825.37NAVD881VUSGSSA
2021-02-1020:12 UTCm720195.26  1VUSGSSA
2021-05-1315:26 UTCm62610 826.00NGVD291VUSGSSA
2021-05-1315:26 UTCm62611 825.83NAVD881VUSGSSA
2021-05-1315:26 UTCm720194.80  1VUSGSSA
2021-08-1716:51 UTCm62610 825.72NGVD291VUSGSSA
2021-08-1716:51 UTCm62611 825.55NAVD881VUSGSSA
2021-08-1716:51 UTCm720195.08  1VUSGSSA
2021-11-1918:42 UTCm62610 825.06NGVD291VUSGSSA
2021-11-1918:42 UTCm62611 824.89NAVD881VUSGSSA
2021-11-1918:42 UTCm720195.74  1VUSGSSA
2022-02-0917:01 UTCm62610 825.07NGVD291VUSGSSA
2022-02-0917:01 UTCm62611 824.90NAVD881VUSGSSA
2022-02-0917:01 UTCm720195.73  1VUSGSSA
2022-06-1418:00 UTCm62610 826.77NGVD291VUSGSSA
2022-06-1418:00 UTCm62611 826.60NAVD881VUSGSSA
2022-06-1418:00 UTCm720194.03  1VUSGSSA
2022-08-2918:19 UTCm62610 826.76NGVD291VUSGSSA
2022-08-2918:19 UTCm62611 826.59NAVD881VUSGSSA
2022-08-2918:19 UTCm720194.04  1VUSGSSA
2022-10-0716:22 UTCm62610 826.22NGVD291VUSGSSA
2022-10-0716:22 UTCm62611 826.05NAVD881VUSGSSA
2022-10-0716:22 UTCm720194.58  1VUSGSSA
2022-12-2921:29 UTCm62610 826.16NGVD291VUSGSSA
2022-12-2921:29 UTCm62611 825.99NAVD881VUSGSSA
2022-12-2921:29 UTCm720194.64  1VUSGSSA
2023-01-0320:30 UTCm62610 826.25NGVD291VUSGSSA
2023-01-0320:30 UTCm62611 826.08NAVD881VUSGSSA
2023-01-0320:30 UTCm720194.55  1VUSGSSA
2023-04-0620:40 UTCm62610 828.83NGVD291VUSGSSA
2023-04-0620:40 UTCm62611 828.66NAVD881VUSGSSA
2023-04-0620:40 UTCm720191.97  1VUSGSSA
2023-07-0516:42 UTCm62610 825.79NGVD291VUSGSSA
2023-07-0516:42 UTCm62611 825.62NAVD881VUSGSSA
2023-07-0516:42 UTCm720194.93  1VUSGSSA
2023-09-1216:34 UTCm62610 824.76NGVD291VUSGSSA
2023-09-1216:34 UTCm62611 824.59NAVD881VUSGSSA
2023-09-1216:34 UTCm720195.96  1VUSGSSA
2023-10-1120:13 UTCm62610 824.90NGVD291VUSGSSA
2023-10-1120:13 UTCm62611 824.73NAVD881VUSGSSA
2023-10-1120:13 UTCm720195.82  1VUSGSSA
2024-03-1816:32 UTCm62610 826.74NGVD291VUSGSSA
2024-03-1816:32 UTCm62611 826.57NAVD881VUSGSSA
2024-03-1816:32 UTCm720193.98  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.