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Groundwater levels for the Nation

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USGS 422704088385302 46N5E-21.1d2 (1-CHE-D)

Mchenry County, Illinois
Latitude  42°27'04", Longitude  88°38'53" NAD83
Land-surface elevation 896.24 feet above NAVD88
The depth of the well is 110.8 feet below land surface.
The depth of the hole is 110.8 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Maquoketa Group (362MQKTG) local aquifer.
Output formats
Table of data
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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
2009-02-2515:20 UTCm62610 889.40NGVD291SIL050AA
2009-02-2515:20 UTCm62611 889.20NAVD881SIL050AA
2009-02-2515:20 UTCm720197.04  1SIL050AA
2010-01-2015:01 UTCm62610 889.07NGVD291VUSGSSA
2010-01-2015:01 UTCm62611 888.87NAVD881VUSGSSA
2010-01-2015:01 UTCm720197.37  1VUSGSSA
2010-04-2721:39 UTCm62610 889.07NGVD291VUSGSSA
2010-04-2721:39 UTCm62611 888.87NAVD881VUSGSSA
2010-04-2721:39 UTCm720197.37  1VUSGSSA
2010-10-1917:32 UTCm62610 888.35NGVD291VUSGSSA
2010-10-1917:32 UTCm62611 888.15NAVD881VUSGSSA
2010-10-1917:32 UTCm720198.09  1VUSGSSA
2010-10-1921:30 UTCm62610 883.88NGVD291VUSGSSA
2010-10-1921:30 UTCm62611 883.68NAVD881VUSGSSA
2010-10-1921:30 UTCm7201912.56  1VUSGSSA
2011-02-2515:24 UTCm62610 890.06NGVD291VUSGSSA
2011-02-2515:24 UTCm62611 889.86NAVD881VUSGSSA
2011-02-2515:24 UTCm720196.38  1VUSGSSA
2011-05-2618:58 UTCm62610 889.37NGVD291VUSGSSA
2011-05-2618:58 UTCm62611 889.17NAVD881VUSGSSA
2011-05-2618:58 UTCm720197.07  1VUSGSSA
2011-08-0123:11 UTCm62610 890.09NGVD291VUSGSSA
2011-08-0123:11 UTCm62611 889.89NAVD881VUSGSSA
2011-08-0123:11 UTCm720196.35  1VUSGSSA
2011-10-1316:01 UTCm62610 889.02NGVD291VUSGSSA
2011-10-1316:01 UTCm62611 888.82NAVD881VUSGSSA
2011-10-1316:01 UTCm720197.42  1VUSGSSA
2012-03-0821:29 UTCm62610 890.54NGVD291VUSGSSA
2012-03-0821:29 UTCm62611 890.34NAVD881VUSGSSA
2012-03-0821:29 UTCm720195.90  1VUSGSSA
2012-10-1115:58 UTCm62610 887.63NGVD291VUSGSSA
2012-10-1115:58 UTCm62611 887.43NAVD881VUSGSSA
2012-10-1115:58 UTCm720198.81  1VUSGSSA
2013-04-2500:51 UTCm62610 891.51NGVD291VUSGSSA
2013-04-2500:51 UTCm62611 891.31NAVD881VUSGSSA
2013-04-2500:51 UTCm720194.93  1VUSGSSA
2013-10-2315:28 UTCm62610 888.17NGVD291VUSGSSA
2013-10-2315:28 UTCm62611 887.97NAVD881VUSGSSA
2013-10-2315:28 UTCm720198.27  1VUSGSSA
2014-04-1612:54 UTCm62610 890.49NGVD291VUSGSSA
2014-04-1612:54 UTCm62611 890.29NAVD881VUSGSSA
2014-04-1612:54 UTCm720195.95  1VUSGSSA
2014-10-0717:21 UTCm62610 888.43NGVD291VUSGSSA
2014-10-0717:21 UTCm62611 888.23NAVD881VUSGSSA
2014-10-0717:21 UTCm720198.01  1VUSGSSA
2015-04-0714:50 UTCm62610 889.03NGVD291VUSGSSA
2015-04-0714:50 UTCm62611 888.83NAVD881VUSGSSA
2015-04-0714:50 UTCm720197.41  1VUSGSSA
2015-10-0717:01 UTCm62610 888.68NGVD291VUSGSSA
2015-10-0717:01 UTCm62611 888.48NAVD881VUSGSSA
2015-10-0717:01 UTCm720197.76  1VUSGSSA
2016-04-1419:29 UTCm62610 890.05NGVD291VUSGSSA
2016-04-1419:29 UTCm62611 889.85NAVD881VUSGSSA
2016-04-1419:29 UTCm720196.39  1VUSGSSA
2017-04-1119:03 UTCm62610 890.33NGVD291VUSGSSA
2017-04-1119:03 UTCm62611 890.13NAVD881VUSGSSA
2017-04-1119:03 UTCm720196.11  1VUSGSSA
2020-06-15 D62610 890.08NGVD291VUSGSSP
2020-06-15 D62611 889.88NAVD881VUSGSSP
2020-06-15 D720196.36  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 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.
Water-level approval statusPProvisional data subject to revision.