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Groundwater levels for the Nation

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  • 421122088222701
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USGS 421122088222701 43N7E-23.1d1 (16-GRF-I)

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 99.0 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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Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
2009-02-24 D62610 863.80NGVD291TUSGSSA
2009-02-24 D62611 863.65NAVD881TUSGSSA
2009-02-24 D7201915.86  1TUSGSSA
2010-01-2020:25 UTCm62610 864.89NGVD291VUSGSSA
2010-01-2020:25 UTCm62611 864.74NAVD881VUSGSSA
2010-01-2020:25 UTCm7201914.77  1VUSGSSA
2010-04-2713:25 UTCm62610 864.48NGVD291VUSGSSA
2010-04-2713:25 UTCm62611 864.33NAVD881VUSGSSA
2010-04-2713:25 UTCm7201915.18  1VUSGSSA
2010-09-2818:27 UTCm62610 863.41NGVD291VUSGSSA
2010-09-2818:27 UTCm62611 863.26NAVD881VUSGSSA
2010-09-2818:27 UTCm7201916.25  1VUSGSSA
2010-10-1313:03 UTCm62610 863.20NGVD291VUSGSSA
2010-10-1313:03 UTCm62611 863.05NAVD881VUSGSSA
2010-10-1313:03 UTCm7201916.46  1VUSGSSA
2010-10-1314:14 UTCm62610 863.08NGVD291VUSGSSA
2010-10-1314:14 UTCm62611 862.93NAVD881VUSGSSA
2010-10-1314:14 UTCm7201916.58  1VUSGSSA
2010-10-1316:00 UTCm62610 861.93NGVD291VUSGSSA
2010-10-1316:00 UTCm62611 861.78NAVD881VUSGSSA
2010-10-1316:00 UTCm7201917.73  1VUSGSSA
2011-02-2314:47 UTCm62610 864.76NGVD291VUSGSSA
2011-02-2314:47 UTCm62611 864.61NAVD881VUSGSSA
2011-02-2314:47 UTCm7201914.90  1VUSGSSA
2011-05-2518:16 UTCm62610 867.62NGVD291VUSGSSA
2011-05-2518:16 UTCm62611 867.47NAVD881VUSGSSA
2011-05-2518:16 UTCm7201912.04  1VUSGSSA
2011-08-0219:57 UTCm62610 864.93NGVD291VUSGSSA
2011-08-0219:57 UTCm62611 864.78NAVD881VUSGSSA
2011-08-0219:57 UTCm7201914.73  1VUSGSSA
2011-10-1119:53 UTCm62610 865.53NGVD291VUSGSSA
2011-10-1119:53 UTCm62611 865.38NAVD881VUSGSSA
2011-10-1119:53 UTCm7201914.13  1VUSGSSA
2012-03-0620:57 UTCm62610 862.95NGVD291VUSGSSA
2012-03-0620:57 UTCm62611 862.80NAVD881VUSGSSA
2012-03-0620:57 UTCm7201916.71  1VUSGSSA
2012-10-0916:05 UTCm62610 857.45NGVD291VUSGSSA
2012-10-0916:05 UTCm62611 857.30NAVD881VUSGSSA
2012-10-0916:05 UTCm7201922.21  1VUSGSSA
2013-04-1517:55 UTCm62610 864.19NGVD291VUSGSSA
2013-04-1517:55 UTCm62611 864.04NAVD881VUSGSSA
2013-04-1517:55 UTCm7201915.47  1VUSGSSA
2013-10-2415:51 UTCm62610 860.69NGVD291VUSGSSA
2013-10-2415:51 UTCm62611 860.54NAVD881VUSGSSA
2013-10-2415:51 UTCm7201918.97  1VUSGSSA
2014-04-1418:12 UTCm62610 863.90NGVD291VUSGSSA
2014-04-1418:12 UTCm62611 863.75NAVD881VUSGSSA
2014-04-1418:12 UTCm7201915.76  1VUSGSSA
2014-10-0616:31 UTCm62610 862.30NGVD291VUSGSSA
2014-10-0616:31 UTCm62611 862.15NAVD881VUSGSSA
2014-10-0616:31 UTCm7201917.36  1VUSGSSA
2015-04-0615:05 UTCm62610 860.89NGVD291VUSGSSA
2015-04-0615:05 UTCm62611 860.74NAVD881VUSGSSA
2015-04-0615:05 UTCm7201918.77  1VUSGSSA
2015-10-0616:24 UTCm62610 861.81NGVD291VUSGSSA
2015-10-0616:24 UTCm62611 861.66NAVD881VUSGSSA
2015-10-0616:24 UTCm7201917.85  1VUSGSSA
2016-03-2917:21 UTCm62610 865.52NGVD291VUSGSSA
2016-03-2917:21 UTCm62611 865.37NAVD881VUSGSSA
2016-03-2917:21 UTCm7201914.14  1VUSGSSA
2016-11-2116:27 UTCm62610 860.89NGVD291VUSGSSA
2016-11-2116:27 UTCm62611 860.74NAVD881VUSGSSA
2016-11-2116:27 UTCm7201918.77  1VUSGSSA
2016-12-2018:21 UTCm62610 861.29NGVD291VUSGSSA
2016-12-2018:21 UTCm62611 861.14NAVD881VUSGSSA
2016-12-2018:21 UTCm7201918.37  1VUSGSSA
2017-05-1818:10 UTCm62610 866.12NGVD291VUSGSSA
2017-05-1818:10 UTCm62611 865.97NAVD881VUSGSSA
2017-05-1818:10 UTCm7201913.54  1VUSGSSA
2017-09-0519:10 UTCm62610 864.52NGVD291VUSGSSA
2017-09-0519:10 UTCm62611 864.37NAVD881VUSGSSA
2017-09-0519:10 UTCm7201915.14  1VUSGSSA
2017-11-1420:10 UTCm62610 865.28NGVD291VUSGSSA
2017-11-1420:10 UTCm62611 865.13NAVD881VUSGSSA
2017-11-1420:10 UTCm7201914.38  1VUSGSSA
2017-11-2717:01 UTCm62610 863.19NGVD291VUSGSSA
2017-11-2717:01 UTCm62611 863.04NAVD881VUSGSSA
2017-11-2717:01 UTCm7201916.47  1VUSGSSA
2018-02-1620:08 UTCm62610 864.42NGVD291VUSGSSA
2018-02-1620:08 UTCm62611 864.27NAVD881VUSGSSA
2018-02-1620:08 UTCm7201915.24  1VUSGSSA
2018-05-0813:23 UTCm62610 861.88NGVD291VUSGSSA
2018-05-0813:23 UTCm62611 861.73NAVD881VUSGSSA
2018-05-0813:23 UTCm7201917.78  1VUSGSSA
2018-08-1515:56 UTCm62610 863.43NGVD291VUSGSSA
2018-08-1515:56 UTCm62611 863.28NAVD881VUSGSSA
2018-08-1515:56 UTCm7201916.23  1VUSGSSA
2018-11-1514:57 UTCm62610 865.53NGVD291VUSGSSA
2018-11-1514:57 UTCm62611 865.38NAVD881VUSGSSA
2018-11-1514:57 UTCm7201914.13  1VUSGSSA
2019-02-2215:35 UTCm62610 866.48NGVD291VUSGSSA
2019-02-2215:35 UTCm62611 866.33NAVD881VUSGSSA
2019-02-2215:35 UTCm7201913.18  1VUSGSSA
2019-05-0815:06 UTCm62610 866.37NGVD291VUSGSSA
2019-05-0815:06 UTCm62611 866.22NAVD881VUSGSSA
2019-05-0815:06 UTCm7201913.29  1VUSGSSA
2019-08-2113:34 UTCm62610 863.84NGVD291VUSGSSA
2019-08-2113:34 UTCm62611 863.69NAVD881VUSGSSA
2019-08-2113:34 UTCm7201915.82  1VUSGSSA
2019-11-1920:17 UTCm62610 863.10NGVD291VUSGSSA
2019-11-1920:17 UTCm62611 862.95NAVD881VUSGSSA
2019-11-1920:17 UTCm7201916.56  1VUSGSSA
2020-02-2414:59 UTCm62610 862.05NGVD291VUSGSSA
2020-02-2414:59 UTCm62611 861.90NAVD881VUSGSSA
2020-02-2414:59 UTCm7201917.61  1VUSGSSA
2020-04-2313:22 UTCm62610 865.30NGVD291VUSGSSA
2020-04-2313:22 UTCm62611 865.15NAVD881VUSGSSA
2020-04-2313:22 UTCm7201914.36  1VUSGSSA
2020-06-1714:49 UTCm62610 863.06NGVD291VUSGSSA
2020-06-1714:49 UTCm62611 862.91NAVD881VUSGSSA
2020-06-1714:49 UTCm7201916.60  1VUSGSSA
2020-07-2813:34 UTCm62610 858.93NGVD291VUSGSSA
2020-07-2813:34 UTCm62611 858.78NAVD881VUSGSSA
2020-07-2813:34 UTCm7201920.73  1VUSGSSA
2020-12-2117:59 UTCm62610 861.96NGVD291VUSGSSA
2020-12-2117:59 UTCm62611 861.81NAVD881VUSGSSA
2020-12-2117:59 UTCm7201917.70  1VUSGSSA
2021-02-1017:49 UTCm62610 860.48NGVD291VUSGSSA
2021-02-1017:49 UTCm62611 860.33NAVD881VUSGSSA
2021-02-1017:49 UTCm7201919.18  1VUSGSSA
2021-05-0417:57 UTCm62610 861.13NGVD291VUSGSSA
2021-05-0417:57 UTCm62611 860.98NAVD881VUSGSSA
2021-05-0417:57 UTCm7201918.53  1VUSGSSA
2021-08-2318:06 UTCm62610 857.91NGVD291VUSGSSA
2021-08-2318:06 UTCm62611 857.76NAVD881VUSGSSA
2021-08-2318:06 UTCm7201921.75  1VUSGSSA
2021-11-3020:49 UTCm62610 859.26NGVD291VUSGSSA
2021-11-3020:49 UTCm62611 859.11NAVD881VUSGSSA
2021-11-3020:49 UTCm7201920.40  1VUSGSSA
2022-03-0121:11 UTCm62610 857.64NGVD291VUSGSSA
2022-03-0121:11 UTCm62611 857.49NAVD881VUSGSSA
2022-03-0121:11 UTCm7201922.02  1VUSGSSA
2022-06-2217:32 UTCm62610 861.44NGVD291VUSGSSA
2022-06-2217:32 UTCm62611 861.29NAVD881VUSGSSA
2022-06-2217:32 UTCm7201918.22  1VUSGSSA
2022-08-2417:47 UTCm62610 863.24NGVD291VUSGSSA
2022-08-2417:47 UTCm62611 863.09NAVD881VUSGSSA
2022-08-2417:47 UTCm7201916.42  1VUSGSSA
2022-12-1420:09 UTCm62610 863.61NGVD291VUSGSSA
2022-12-1420:09 UTCm62611 863.46NAVD881VUSGSSA
2022-12-1420:09 UTCm7201916.05  1VUSGSSA
2023-03-1616:58 UTCm62610 867.84NGVD291VUSGSSA
2023-03-1616:58 UTCm62611 867.69NAVD881VUSGSSA
2023-03-1616:58 UTCm7201911.82  1VUSGSSA
2023-06-1319:05 UTCm62610 863.60NGVD291VUSGSSA
2023-06-1319:05 UTCm62611 863.45NAVD881VUSGSSA
2023-06-1319:05 UTCm7201916.01  1VUSGSSA
2023-09-1416:52 UTCm62610 860.22NGVD291VUSGSSA
2023-09-1416:52 UTCm62611 860.07NAVD881VUSGSSA
2023-09-1416:52 UTCm7201919.39  1VUSGSSA
2024-01-0221:19 UTCm62610 863.37NGVD291VUSGSSA
2024-01-0221:19 UTCm62611 863.22NAVD881VUSGSSA
2024-01-0221:19 UTCm7201916.24  1VUSGSSA
2024-04-1518:13 UTCm62610 863.67NGVD291VUSGSSA
2024-04-1518:13 UTCm62611 863.52NAVD881VUSGSSA
2024-04-1518:13 UTCm7201915.94  1VUSGSSA
2024-07-3121:30 UTCm62610 862.50NGVD291VUSGSSA
2024-07-3121:30 UTCm62611 862.35NAVD881VUSGSSA
2024-07-3121:30 UTCm7201917.11  1VUSGSSA
2024-11-1820:20 UTCm62610 860.49NGVD291VUSGSSP
2024-11-1820:20 UTCm62611 860.34NAVD881VUSGSSP
2024-11-1820:20 UTCm7201919.12  1VUSGSSP

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 measurementTElectric-tape measurement.
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.
Water-level approval statusPProvisional data subject to revision.