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Groundwater levels for the Nation

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USGS 385735089513901 6N7W-22.5g1

Madison County, Illinois
Latitude  38°57'35", Longitude  89°51'39" NAD83
Land-surface elevation 561 feet above NGVD29
The depth of the well is 27.9 feet below land surface.
The depth of the hole is 148.0 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.
Output formats
Table of data
Tab-separated data
Graph of data
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
2005-09-0721:00 UTCm62610 549.87NGVD291TUSGSSA
2005-09-0721:00 UTCm62611 549.49NAVD881TUSGSSA
2005-09-0721:00 UTCm7201911.13  1TUSGSSA
2006-05-23 D62610 552.68NGVD291TUSGSSA
2006-05-23 D62611 552.30NAVD881TUSGSSA
2006-05-23 D720198.32  1TUSGSSA
2007-06-1916:25 UTCm62610 553.09NGVD291TUSGSSA
2007-06-1916:25 UTCm62611 552.71NAVD881TUSGSSA
2007-06-1916:25 UTCm720197.91  1TUSGSSA
2007-07-16 D62610 552.74NGVD291TUSGSSA
2007-07-16 D62611 552.36NAVD881TUSGSSA
2007-07-16 D720198.26  1TUSGSSA
2008-05-2718:12 UTCm62610 557.53NGVD291TUSGSSA
2008-05-2718:12 UTCm62611 557.15NAVD881TUSGSSA
2008-05-2718:12 UTCm720193.47  1TUSGSSA
2009-06-0814:24 UTCm62610 555.74NGVD291TUSGSSA
2009-06-0814:24 UTCm62611 555.36NAVD881TUSGSSA
2009-06-0814:24 UTCm720195.26  1TUSGSSA
2009-07-0615:30 UTCm62610 556.56NGVD291TUSGSSA
2009-07-0615:30 UTCm62611 556.18NAVD881TUSGSSA
2009-07-0615:30 UTCm720194.44  1TUSGSSA
2010-04-1214:51 UTCm62610 556.14NGVD291VUSGSSA
2010-04-1214:51 UTCm62611 555.76NAVD881VUSGSSA
2010-04-1214:51 UTCm720194.86  1VUSGSSA
2011-07-1815:15 UTCm62610 554.72NGVD291VUSGSSA
2011-07-1815:15 UTCm62611 554.34NAVD881VUSGSSA
2011-07-1815:15 UTCm720196.28  1VUSGSSA
2011-07-1917:55 UTCm62610 554.68NGVD291VUSGSSA
2011-07-1917:55 UTCm62611 554.30NAVD881VUSGSSA
2011-07-1917:55 UTCm720196.32  1VUSGSSA
2011-07-1919:00 UTCm62610 554.68NGVD291VUSGSSA
2011-07-1919:00 UTCm62611 554.30NAVD881VUSGSSA
2011-07-1919:00 UTCm720196.32  1VUSGSSA
2012-04-0314:32 UTCm62610 555.51NGVD291VUSGSSA
2012-04-0314:32 UTCm62611 555.13NAVD881VUSGSSA
2012-04-0314:32 UTCm720195.49  1VUSGSSA
2015-05-0815:47 UTCm62610 555.17NGVD291VUSGSSA
2015-05-0815:47 UTCm62611 554.79NAVD881VUSGSSA
2015-05-0815:47 UTCm720195.83  1VUSGSSA
2019-07-1214:15 UTCm62610 553.61NGVD291VUSGSSA
2019-07-1214:15 UTCm62611 553.23NAVD881VUSGSSA
2019-07-1214:15 UTCm720197.39  1VUSGSSA
2021-07-2918:23 UTCm62610 554.97NGVD291VUSGSSA
2021-07-2918:23 UTCm62611 554.59NAVD881VUSGSSA
2021-07-2918:23 UTCm720196.03  1VUSGSSA
2023-09-2716:53 UTCm62610 551.04NGVD291VUSGSSA
2023-09-2716:53 UTCm62611 550.66NAVD881VUSGSSA
2023-09-2716:53 UTCm720199.96  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.