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Groundwater levels for the Nation

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Agency code = usgs
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  • 421402088173501
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USGS 421402088173501 43N8E-3.7d

Mchenry County, Illinois
Latitude  42°14'02.0", Longitude  88°17'35.4" NAD83
Land-surface elevation 920 feet above NGVD29
The depth of the well is 58.7 feet below land surface.
The depth of the hole is 59.2 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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Reselect period
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
2000-04-20 D62610 878.17NGVD291TUSGSSA
2000-04-20 D62611 878.01NAVD881TUSGSSA
2000-04-20 D7201941.83  1TUSGSSA
2005-06-21 D62610 878.32NGVD291TUSGSSA
2005-06-21 D62611 878.16NAVD881TUSGSSA
2005-06-21 D7201941.68  1TUSGSSA
2006-05-24 D62610 876.73NGVD291TUSGSSA
2006-05-24 D62611 876.57NAVD881TUSGSSA
2006-05-24 D7201943.27  1TUSGSSA
2007-07-1123:35 UTCm62610 880.46NGVD291TUSGSSA
2007-07-1123:35 UTCm62611 880.30NAVD881TUSGSSA
2007-07-1123:35 UTCm7201939.54  1TUSGSSA
2008-08-20 D62610 882.89NGVD291TUSGSSA
2008-08-20 D62611 882.73NAVD881TUSGSSA
2008-08-20 D7201937.11  1TUSGSSA
2009-03-0416:20 UTCm62610 881.69NGVD291TUSGSSA
2009-03-0416:20 UTCm62611 881.53NAVD881TUSGSSA
2009-03-0416:20 UTCm7201938.31  1TUSGSSA
2009-07-2722:00 UTCm62610 884.58NGVD291TUSGSSA
2009-07-2722:00 UTCm62611 884.42NAVD881TUSGSSA
2009-07-2722:00 UTCm7201935.42  1TUSGSSA
2010-07-13 D62610 882.75NGVD291VUSGSSA
2010-07-13 D62611 882.59NAVD881VUSGSSA
2010-07-13 D7201937.25  1VUSGSSA
2011-02-2317:18 UTCm62610 875.53NGVD291VUSGSSA
2011-02-2317:18 UTCm62611 875.37NAVD881VUSGSSA
2011-02-2317:18 UTCm7201944.47  1VUSGSSA
2011-05-0419:20 UTCm62610 880.77NGVD291VUSGSSA
2011-05-0419:20 UTCm62611 880.61NAVD881VUSGSSA
2011-05-0419:20 UTCm7201939.23  1VUSGSSA
2011-05-2520:04 UTCm62610 881.35NGVD291VUSGSSA
2011-05-2520:04 UTCm62611 881.19NAVD881VUSGSSA
2011-05-2520:04 UTCm7201938.65  1VUSGSSA
2011-08-0222:02 UTCm62610 882.92NGVD291VUSGSSA
2011-08-0222:02 UTCm62611 882.76NAVD881VUSGSSA
2011-08-0222:02 UTCm7201937.08  1VUSGSSA
2011-10-1122:04 UTCm62610 881.99NGVD291VUSGSSA
2011-10-1122:04 UTCm62611 881.83NAVD881VUSGSSA
2011-10-1122:04 UTCm7201938.01  1VUSGSSA
2012-03-0623:55 UTCm62610 879.89NGVD291VUSGSSA
2012-03-0623:55 UTCm62611 879.73NAVD881VUSGSSA
2012-03-0623:55 UTCm7201940.11  1VUSGSSA
2012-05-2220:30 UTCm62610 879.88NGVD291VUSGSSA
2012-05-2220:30 UTCm62611 879.72NAVD881VUSGSSA
2012-05-2220:30 UTCm7201940.12  1VUSGSSA
2012-10-09 D62610 878.03NGVD291VUSGSSA
2012-10-09 D62611 877.87NAVD881VUSGSSA
2012-10-09 D7201941.97  1VUSGSSA
2013-04-1520:53 UTCm62610 877.98NGVD291VUSGSSA
2013-04-1520:53 UTCm62611 877.82NAVD881VUSGSSA
2013-04-1520:53 UTCm7201942.02  1VUSGSSA
2013-10-2412:24 UTCm62610 878.53NGVD291VUSGSSA
2013-10-2412:24 UTCm62611 878.37NAVD881VUSGSSA
2013-10-2412:24 UTCm7201941.47  1VUSGSSA
2014-04-1421:33 UTCm62610 878.83NGVD291VUSGSSA
2014-04-1421:33 UTCm62611 878.67NAVD881VUSGSSA
2014-04-1421:33 UTCm7201941.17  1VUSGSSA
2014-10-0618:09 UTCm62610 879.94NGVD291VUSGSSA
2014-10-0618:09 UTCm62611 879.78NAVD881VUSGSSA
2014-10-0618:09 UTCm7201940.06  1VUSGSSA
2015-04-0617:16 UTCm62610 877.79NGVD291VUSGSSA
2015-04-0617:16 UTCm62611 877.63NAVD881VUSGSSA
2015-04-0617:16 UTCm7201942.21  1VUSGSSA
2015-05-1119:40 UTCm62610 877.99NGVD291VUSGSSA
2015-05-1119:40 UTCm62611 877.83NAVD881VUSGSSA
2015-05-1119:40 UTCm7201942.01  1VUSGSSA
2015-10-0618:50 UTCm62610 879.56NGVD291VUSGSSA
2015-10-0618:50 UTCm62611 879.40NAVD881VUSGSSA
2015-10-0618:50 UTCm7201940.44  1VUSGSSA
2016-03-2919:40 UTCm62610 880.45NGVD291VUSGSSA
2016-03-2919:40 UTCm62611 880.29NAVD881VUSGSSA
2016-03-2919:40 UTCm7201939.55  1VUSGSSA
2016-05-0522:00 UTCm62610 881.29NGVD291VUSGSSA
2016-05-0522:00 UTCm62611 881.13NAVD881VUSGSSA
2016-05-0522:00 UTCm7201938.71  1VUSGSSA
2016-11-2920:25 UTCm62610 880.07NGVD291VUSGSSA
2016-11-2920:25 UTCm62611 879.91NAVD881VUSGSSA
2016-11-2920:25 UTCm7201939.93  1VUSGSSA
2017-04-2417:10 UTCm62610 880.06NGVD291VUSGSSA
2017-04-2417:10 UTCm62611 879.90NAVD881VUSGSSA
2017-04-2417:10 UTCm7201939.94  1VUSGSSA
2019-07-0919:23 UTCm62610 872.91NGVD291VUSGSSA
2019-07-0919:23 UTCm62611 872.75NAVD881VUSGSSA
2019-07-0919:23 UTCm7201947.09  1VUSGSSA
2020-06-2306:00 UTCm62610 887.43NGVD291VUSGSSA
2020-06-2306:00 UTCm62611 887.27NAVD881VUSGSSA
2020-06-2306:00 UTCm7201932.57  1VUSGSSA
2021-03-1220:08 UTCm62610 880.30NGVD291VUSGSSA
2021-03-1220:08 UTCm62611 880.14NAVD881VUSGSSA
2021-03-1220:08 UTCm7201939.70  1VUSGSSA
2021-05-1012:57 UTCm62610 879.85NGVD291VUSGSSA
2021-05-1012:57 UTCm62611 879.69NAVD881VUSGSSA
2021-05-1012:57 UTCm7201940.15  1VUSGSSA
2024-06-1718:06 UTCm62610 880.03NGVD291VUSGSSA
2024-06-1718:06 UTCm62611 879.87NAVD881VUSGSSA
2024-06-1718:06 UTCm7201939.97  1VUSGSSA

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.