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Groundwater levels for the Nation

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Agency code = usgs
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  • 401246088585101
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USGS 401246088585101 20N 2E-9.4h

Dewitt County, Illinois
Latitude  40°12'46.6", Longitude  88°58'52.3" NAD83
Land-surface elevation 739 feet above NGVD29
The depth of the well is 365 feet below land surface.
The depth of the hole is 365 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
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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
1989-08-11 D62610 614.00NGVD291L  A
1989-08-11 D62611 613.77NAVD881L  A
1989-08-11 D72019125.00  1L  A
2002-05-2817:00 UTCm62610 613.00NGVD291OUSGSSA
2002-05-2817:00 UTCm62611 612.77NAVD881OUSGSSA
2002-05-2817:00 UTCm72019126.00  1OUSGSSA
2005-05-05 D62610 597.05NGVD291TUSGSSA
2005-05-05 D62611 596.82NAVD881TUSGSSA
2005-05-05 D72019141.95  1TUSGSSA
2005-05-1118:00 UTCm62610 597.00NGVD291OUSGSSA
2005-05-1118:00 UTCm62611 596.77NAVD881OUSGSSA
2005-05-1118:00 UTCm72019142.00  1OUSGSSA
2006-05-03 D62610 593.30NGVD29 TUSGSSA
2006-05-03 D62611 593.07NAVD88 TUSGSSA
2006-05-03 D72019145.70   TUSGSSA
2007-04-16 D62610 595.36NGVD291TUSGSSA
2007-04-16 D62611 595.13NAVD881TUSGSSA
2007-04-16 D72019143.64  1TUSGSSA
2008-07-21 D62610 594.99NGVD291TUSGSSA
2008-07-21 D62611 594.76NAVD881TUSGSSA
2008-07-21 D72019144.01  1TUSGSSA
2009-05-27 D62610 597.04NGVD291TUSGSSA
2009-05-27 D62611 596.81NAVD881TUSGSSA
2009-05-27 D72019141.96  1TUSGSSA
2010-05-1316:27 UTCm62610 597.85NGVD291VUSGSSA
2010-05-1316:27 UTCm62611 597.62NAVD881VUSGSSA
2010-05-1316:27 UTCm72019141.15  1VUSGSSA
2011-05-1115:10 UTCm62610 597.90NGVD291VUSGSSA
2011-05-1115:10 UTCm62611 597.67NAVD881VUSGSSA
2011-05-1115:10 UTCm72019141.10  1VUSGSSA
2011-05-1117:00 UTCm62610 596.50NGVD291VUSGSSA
2011-05-1117:00 UTCm62611 596.27NAVD881VUSGSSA
2011-05-1117:00 UTCm72019142.50  1VUSGSSA
2012-04-1814:30 UTCm62610 589.11NGVD291VUSGSSA
2012-04-1814:30 UTCm62611 588.88NAVD881VUSGSSA
2012-04-1814:30 UTCm72019149.89  1VUSGSSA
2013-05-1014:35 UTCm62610 597.55NGVD291VUSGSSA
2013-05-1014:35 UTCm62611 597.32NAVD881VUSGSSA
2013-05-1014:35 UTCm72019141.45  1VUSGSSA
2015-04-2915:40 UTCm62610 595.09NGVD291VUSGSSA
2015-04-2915:40 UTCm62611 594.86NAVD881VUSGSSA
2015-04-2915:40 UTCm72019143.91  1VUSGSSA
2017-05-0219:00 UTCm62610 595.40NGVD291VUSGSSA
2017-05-0219:00 UTCm62611 595.17NAVD881VUSGSSA
2017-05-0219:00 UTCm72019143.60  1VUSGSSA
2018-06-2713:55 UTCm62610 593.88NGVD291VUSGSSA
2018-06-2713:55 UTCm62611 593.65NAVD881VUSGSSA
2018-06-2713:55 UTCm72019145.12  1VUSGSSA
2022-04-1215:30 UTCm62610 596.07NGVD291VUSGSSA
2022-04-1215:30 UTCm62611 595.84NAVD881VUSGSSA
2022-04-1215:30 UTCm72019142.93  1VUSGSSA
2024-06-2522:20 UTCm62610 594.29NGVD291VUSGSSA
2024-06-2522:20 UTCm62611 594.06NAVD881VUSGSSA
2024-06-2522:20 UTCm72019144.71  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
StatusThe reported water-level measurement represents a static level
Status1Static
Method of measurementLInterpreted from geophysical logs.
Method of measurementOObserved.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.