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Groundwater levels for the Nation

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  • 422704088385301
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USGS 422704088385301 46N5E-21.1d1 (1-CHE-S)

Mchenry County, Illinois
Latitude  42°27'04.3", Longitude  88°38'52.9" NAD83
Land-surface elevation 896.16 feet above NAVD88
The depth of the well is 40.3 feet below land surface.
The depth of the hole is 125 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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accuracy
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Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
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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
2009-02-2514:37 UTCm62610 889.20NGVD291SIL050AA
2009-02-2514:37 UTCm62611 889.00NAVD881SIL050AA
2009-02-2514:37 UTCm720197.24  1SIL050AA
2010-01-2014:58 UTCm62610 888.86NGVD291VUSGSSA
2010-01-2014:58 UTCm62611 888.66NAVD881VUSGSSA
2010-01-2014:58 UTCm720197.58  1VUSGSSA
2010-04-2721:37 UTCm62610 888.87NGVD291VUSGSSA
2010-04-2721:37 UTCm62611 888.67NAVD881VUSGSSA
2010-04-2721:37 UTCm720197.57  1VUSGSSA
2010-10-1918:07 UTCm62610 888.07NGVD291VUSGSSA
2010-10-1918:07 UTCm62611 887.87NAVD881VUSGSSA
2010-10-1918:07 UTCm720198.37  1VUSGSSA
2010-10-1921:21 UTCm62610 888.08NGVD291VUSGSSA
2010-10-1921:21 UTCm62611 887.88NAVD881VUSGSSA
2010-10-1921:21 UTCm720198.36  1VUSGSSA
2011-02-2515:20 UTCm62610 889.83NGVD291VUSGSSA
2011-02-2515:20 UTCm62611 889.63NAVD881VUSGSSA
2011-02-2515:20 UTCm720196.61  1VUSGSSA
2011-05-2618:54 UTCm62610 889.11NGVD291VUSGSSA
2011-05-2618:54 UTCm62611 888.91NAVD881VUSGSSA
2011-05-2618:54 UTCm720197.33  1VUSGSSA
2011-08-0123:07 UTCm62610 889.93NGVD291VUSGSSA
2011-08-0123:07 UTCm62611 889.73NAVD881VUSGSSA
2011-08-0123:07 UTCm720196.51  1VUSGSSA
2011-10-1315:52 UTCm62610 888.77NGVD291VUSGSSA
2011-10-1315:52 UTCm62611 888.57NAVD881VUSGSSA
2011-10-1315:52 UTCm720197.67  1VUSGSSA
2012-03-0821:41 UTCm62610 890.56NGVD291VUSGSSA
2012-03-0821:41 UTCm62611 890.36NAVD881VUSGSSA
2012-03-0821:41 UTCm720195.88  1VUSGSSA
2012-10-1116:11 UTCm62610 887.33NGVD291VUSGSSA
2012-10-1116:11 UTCm62611 887.13NAVD881VUSGSSA
2012-10-1116:11 UTCm720199.11  1VUSGSSA
2013-04-2500:15 UTCm62610 891.64NGVD291VUSGSSA
2013-04-2500:15 UTCm62611 891.44NAVD881VUSGSSA
2013-04-2500:15 UTCm720194.80  1VUSGSSA
2013-10-2315:18 UTCm62610 887.85NGVD291VUSGSSA
2013-10-2315:18 UTCm62611 887.65NAVD881VUSGSSA
2013-10-2315:18 UTCm720198.59  1VUSGSSA
2014-04-1612:47 UTCm62610 890.40NGVD291VUSGSSA
2014-04-1612:47 UTCm62611 890.20NAVD881VUSGSSA
2014-04-1612:47 UTCm720196.04  1VUSGSSA
2014-10-0717:14 UTCm62610 888.14NGVD291VUSGSSA
2014-10-0717:14 UTCm62611 887.94NAVD881VUSGSSA
2014-10-0717:14 UTCm720198.30  1VUSGSSA
2015-04-0714:43 UTCm62610 888.79NGVD291VUSGSSA
2015-04-0714:43 UTCm62611 888.59NAVD881VUSGSSA
2015-04-0714:43 UTCm720197.65  1VUSGSSA
2015-10-0716:53 UTCm62610 888.39NGVD291VUSGSSA
2015-10-0716:53 UTCm62611 888.19NAVD881VUSGSSA
2015-10-0716:53 UTCm720198.05  1VUSGSSA
2016-04-1419:18 UTCm62610 889.92NGVD291VUSGSSA
2016-04-1419:18 UTCm62611 889.72NAVD881VUSGSSA
2016-04-1419:18 UTCm720196.52  1VUSGSSA
2017-04-1118:50 UTCm62610 890.18NGVD291VUSGSSA
2017-04-1118:50 UTCm62611 889.98NAVD881VUSGSSA
2017-04-1118:50 UTCm720196.26  1VUSGSSA
2017-08-3015:30 UTCm62610 888.98NGVD291VUSGSSA
2017-08-3015:30 UTCm62611 888.78NAVD881VUSGSSA
2017-08-3015:30 UTCm720197.46  1VUSGSSA
2018-02-2221:06 UTCm62610 889.34NGVD291VUSGSSA
2018-02-2221:06 UTCm62611 889.14NAVD881VUSGSSA
2018-02-2221:06 UTCm720197.10  1VUSGSSA
2018-05-1818:15 UTCm62610 889.22NGVD291VUSGSSA
2018-05-1818:15 UTCm62611 889.02NAVD881VUSGSSA
2018-05-1818:15 UTCm720197.22  1VUSGSSA
2018-08-3015:02 UTCm62610 888.05NGVD291VUSGSSA
2018-08-3015:02 UTCm62611 887.85NAVD881VUSGSSA
2018-08-3015:02 UTCm720198.39  1VUSGSSA
2018-12-0617:45 UTCm62610 890.41NGVD291VUSGSSA
2018-12-0617:45 UTCm62611 890.21NAVD881VUSGSSA
2018-12-0617:45 UTCm720196.03  1VUSGSSA
2019-02-1416:57 UTCm62610 889.67NGVD291VUSGSSA
2019-02-1416:57 UTCm62611 889.47NAVD881VUSGSSA
2019-02-1416:57 UTCm720196.77  1VUSGSSA
2019-06-0717:33 UTCm62610 889.96NGVD291VUSGSSA
2019-06-0717:33 UTCm62611 889.76NAVD881VUSGSSA
2019-06-0717:33 UTCm720196.48  1VUSGSSA
2019-09-0416:17 UTCm62610 888.03NGVD291VUSGSSA
2019-09-0416:17 UTCm62611 887.83NAVD881VUSGSSA
2019-09-0416:17 UTCm720198.41  1VUSGSSA
2019-11-2216:46 UTCm62610 891.13NGVD291VUSGSSA
2019-11-2216:46 UTCm62611 890.93NAVD881VUSGSSA
2019-11-2216:46 UTCm720195.31  1VUSGSSA
2020-02-0517:53 UTCm62610 889.53NGVD291VUSGSSA
2020-02-0517:53 UTCm62611 889.33NAVD881VUSGSSA
2020-02-0517:53 UTCm720196.91  1VUSGSSA
2020-04-2217:03 UTCm62610 889.12NGVD291VUSGSSA
2020-04-2217:03 UTCm62611 888.92NAVD881VUSGSSA
2020-04-2217:03 UTCm720197.32  1VUSGSSA
2020-06-1517:00 UTCm62610 889.45NGVD291VUSGSSA
2020-06-1517:00 UTCm62611 889.25NAVD881VUSGSSA
2020-06-1517:00 UTCm720196.99  1VUSGSSA
2020-07-2914:06 UTCm62610 888.24NGVD291VUSGSSA
2020-07-2914:06 UTCm62611 888.04NAVD881VUSGSSA
2020-07-2914:06 UTCm720198.20  1VUSGSSA
2020-12-1515:32 UTCm62610 888.79NGVD291VUSGSSA
2020-12-1515:32 UTCm62611 888.59NAVD881VUSGSSA
2020-12-1515:32 UTCm720197.65  1VUSGSSA
2021-02-0919:57 UTCm62610 888.11NGVD291VUSGSSA
2021-02-0919:57 UTCm62611 887.91NAVD881VUSGSSA
2021-02-0919:57 UTCm720198.33  1VUSGSSA
2021-05-1218:04 UTCm62610 888.23NGVD291VUSGSSA
2021-05-1218:04 UTCm62611 888.03NAVD881VUSGSSA
2021-05-1218:04 UTCm720198.21  1VUSGSSA
2021-08-1616:24 UTCm62610 888.01NGVD291VUSGSSA
2021-08-1616:24 UTCm62611 887.81NAVD881VUSGSSA
2021-08-1616:24 UTCm720198.43  1VUSGSSA
2021-11-1617:07 UTCm62610 888.70NGVD291VUSGSSA
2021-11-1617:07 UTCm62611 888.50NAVD881VUSGSSA
2021-11-1617:07 UTCm720197.74  1VUSGSSA
2022-02-0718:48 UTCm62610 888.00NGVD291VUSGSSA
2022-02-0718:48 UTCm62611 887.80NAVD881VUSGSSA
2022-02-0718:48 UTCm720198.44  1VUSGSSA
2022-05-3122:10 UTCm62610 889.24NGVD291VUSGSSA
2022-05-3122:10 UTCm62611 889.04NAVD881VUSGSSA
2022-05-3122:10 UTCm720197.20  1VUSGSSA
2022-09-2618:28 UTCm62610 888.36NGVD291VUSGSSA
2022-09-2618:28 UTCm62611 888.16NAVD881VUSGSSA
2022-09-2618:28 UTCm720198.08  1VUSGSSA
2023-01-2323:35 UTCm62610 888.90NGVD291VUSGSSA
2023-01-2323:35 UTCm62611 888.70NAVD881VUSGSSA
2023-01-2323:35 UTCm720197.54  1VUSGSSA
2023-05-0119:07 UTCm62610 888.99NGVD291VUSGSSA
2023-05-0119:07 UTCm62611 888.79NAVD881VUSGSSA
2023-05-0119:07 UTCm720197.45  1VUSGSSA
2023-08-0417:37 UTCm62610 887.51NGVD291VUSGSSA
2023-08-0417:37 UTCm62611 887.31NAVD881VUSGSSA
2023-08-0417:37 UTCm720198.85  1VUSGSSA
2023-11-1719:03 UTCm62610 887.89NGVD291VUSGSSA
2023-11-1719:03 UTCm62611 887.69NAVD881VUSGSSA
2023-11-1719:03 UTCm720198.47  1VUSGSSA
2024-02-2720:13 UTCm62610 888.72NGVD291VUSGSSA
2024-02-2720:13 UTCm62611 888.52NAVD881VUSGSSA
2024-02-2720:13 UTCm720197.64  1VUSGSSA
2024-06-0519:02 UTCm62610 889.22NGVD291VUSGSSA
2024-06-0519:02 UTCm62611 889.02NAVD881VUSGSSA
2024-06-0519:02 UTCm720197.14  1VUSGSSA
2024-09-2018:50 UTCm62610 887.94NGVD291VUSGSSA
2024-09-2018:50 UTCm62611 887.74NAVD881VUSGSSA
2024-09-2018:50 UTCm720198.42  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.