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Groundwater levels for the Nation

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  • 421653088370903
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USGS 421653088370903 44N5E-23.5g3 (MARN-10-04)

Mchenry County, Illinois
Latitude  42°16'52.96", Longitude  88°37'09.29" NAD83
Land-surface elevation 827 feet above NAVD88
The depth of the well is 82 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
2011-05-0216:15 UTCm62610 809.68NGVD291VUSGSSA
2011-05-0216:15 UTCm62611 809.49NAVD881VUSGSSA
2011-05-0216:15 UTCm7201917.51  1VUSGSSA
2011-05-1014:25 UTCm62610 809.58NGVD291VUSGSSA
2011-05-1014:25 UTCm62611 809.39NAVD881VUSGSSA
2011-05-1014:25 UTCm7201917.61  1VUSGSSA
2011-05-2619:52 UTCm62610 809.69NGVD291VUSGSSA
2011-05-2619:52 UTCm62611 809.50NAVD881VUSGSSA
2011-05-2619:52 UTCm7201917.50  1VUSGSSA
2011-06-1319:36 UTCm62610 809.73NGVD291VUSGSSA
2011-06-1319:36 UTCm62611 809.54NAVD881VUSGSSA
2011-06-1319:36 UTCm7201917.46  1VUSGSSA
2011-08-0216:13 UTCm62610 808.84NGVD291VUSGSSA
2011-08-0216:13 UTCm62611 808.65NAVD881VUSGSSA
2011-08-0216:13 UTCm7201918.35  1VUSGSSA
2011-10-1317:25 UTCm62610 807.68NGVD291VUSGSSA
2011-10-1317:25 UTCm62611 807.49NAVD881VUSGSSA
2011-10-1317:25 UTCm7201919.51  1VUSGSSA
2012-03-0616:37 UTCm62610 808.84NGVD291VUSGSSA
2012-03-0616:37 UTCm62611 808.65NAVD881VUSGSSA
2012-03-0616:37 UTCm7201918.35  1VUSGSSA
2012-10-1021:50 UTCm62610 805.31NGVD291VUSGSSA
2012-10-1021:50 UTCm62611 805.12NAVD881VUSGSSA
2012-10-1021:50 UTCm7201921.88  1VUSGSSA
2013-04-2518:51 UTCm62610 809.96NGVD291VUSGSSA
2013-04-2518:51 UTCm62611 809.77NAVD881VUSGSSA
2013-04-2518:51 UTCm7201917.23  1VUSGSSA
2013-08-2615:12 UTCm62610 807.96NGVD291VUSGSSA
2013-08-2615:12 UTCm62611 807.77NAVD881VUSGSSA
2013-08-2615:12 UTCm7201919.23  1VUSGSSA
2013-10-2314:00 UTCm62610 806.71NGVD291VUSGSSA
2013-10-2314:00 UTCm62611 806.52NAVD881VUSGSSA
2013-10-2314:00 UTCm7201920.48  1VUSGSSA
2014-04-1614:08 UTCm62610 808.70NGVD291VUSGSSA
2014-04-1614:08 UTCm62611 808.51NAVD881VUSGSSA
2014-04-1614:08 UTCm7201918.49  1VUSGSSA
2014-10-0718:39 UTCm62610 807.64NGVD291VUSGSSA
2014-10-0718:39 UTCm62611 807.45NAVD881VUSGSSA
2014-10-0718:39 UTCm7201919.55  1VUSGSSA
2015-04-0716:26 UTCm62610 807.22NGVD291VUSGSSA
2015-04-0716:26 UTCm62611 807.03NAVD881VUSGSSA
2015-04-0716:26 UTCm7201919.97  1VUSGSSA
2015-10-0718:21 UTCm62610 807.54NGVD291VUSGSSA
2015-10-0718:21 UTCm62611 807.35NAVD881VUSGSSA
2015-10-0718:21 UTCm7201919.65  1VUSGSSA
2016-04-1421:37 UTCm62610 801.95NGVD291VUSGSSA
2016-04-1421:37 UTCm62611 801.76NAVD881VUSGSSA
2016-04-1421:37 UTCm7201925.24  1VUSGSSA
2017-04-1113:21 UTCm62610 810.09NGVD291VUSGSSP
2017-04-1113:21 UTCm62611 809.90NAVD881VUSGSSP
2017-04-1113:21 UTCm7201917.10  1VUSGSSP
2020-06-1006:00 UTCm62610 811.69NGVD291VUSGSSP
2020-06-1006:00 UTCm62611 811.50NAVD881VUSGSSP
2020-06-1006:00 UTCm7201915.50  1VUSGSSP

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 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.