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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 414442087325702
Minimum number of levels = 1
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USGS 414442087325702 38N15E-32.2e (USEPA BH4D)

Cook County, Illinois
Latitude  41°44'42", Longitude  87°32'57" NAD27
Land-surface elevation 587 feet above NGVD29
The depth of the well is 33 feet below land surface.
The depth of the hole is 33 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Niagaran Series (355NIGR) local aquifer.
Output formats
Table of data
Tab-separated 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
1992-06-23 D62610 579.53NGVD291SUSGSSA
1992-06-23 D62611 579.18NAVD881SUSGSSA
1992-06-23 D720197.47  1SUSGSSA
2012-12-04 D62610 577.89NGVD291VUSGSSA
2012-12-04 D62611 577.54NAVD881VUSGSSA
2012-12-04 D720199.11  1VUSGSSA
2013-06-25 D62610 579.06NGVD291VUSGSSA
2013-06-25 D62611 578.71NAVD881VUSGSSA
2013-06-25 D720197.94  1VUSGSSA
2013-08-2018:15 UTCm62610 578.28NGVD291VUSGSSA
2013-08-2018:15 UTCm62611 577.93NAVD881VUSGSSA
2013-08-2018:15 UTCm720198.72  1VUSGSSA
2013-09-2418:10 UTCm62610 578.36NGVD291VUSGSSA
2013-09-2418:10 UTCm62611 578.01NAVD881VUSGSSA
2013-09-2418:10 UTCm720198.64  1VUSGSSA
2013-11-0520:56 UTCm62610 578.34NGVD291VUSGSSA
2013-11-0520:56 UTCm62611 577.99NAVD881VUSGSSA
2013-11-0520:56 UTCm720198.66  1VUSGSSA
2014-04-2323:27 UTCm62610 579.10NGVD291VUSGSSA
2014-04-2323:27 UTCm62611 578.75NAVD881VUSGSSA
2014-04-2323:27 UTCm720197.90  1VUSGSSA
2014-06-0519:54 UTCm62610 578.86NGVD291VUSGSSA
2014-06-0519:54 UTCm62611 578.51NAVD881VUSGSSA
2014-06-0519:54 UTCm720198.14  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 measurementSSteel-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.