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Groundwater levels for the Nation

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USGS 412001072110703 CT-ELY 80

New London County, Connecticut
Latitude  41°20'01.1", Longitude  72°11'07.3" NAD83
Land-surface elevation 17.89 feet above NGVD29
The depth of the well is 28.45 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 Drift, Stratified (112DFSF) 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
2005-09-0116:25 UTCm62610 1.71NGVD291TUSGSSA
2005-09-0116:25 UTCm62611 0.71NAVD881TUSGSSA
2005-09-0116:25 UTCm7201916.18  1TUSGSSA
2006-01-1216:23 UTCm62610 2.25NGVD291TUSGSSA
2006-01-1216:23 UTCm62611 1.25NAVD881TUSGSSA
2006-01-1216:23 UTCm7201915.64  1TUSGSSA
2006-05-0914:33 UTCm62610 1.51NGVD291TUSGSSA
2006-05-0914:33 UTCm62611 0.51NAVD881TUSGSSA
2006-05-0914:33 UTCm7201916.38  1TUSGSSA
2006-08-0116:10 UTCm62610 1.83NGVD291TUSGSSA
2006-08-0116:10 UTCm62611 0.83NAVD881TUSGSSA
2006-08-0116:10 UTCm7201916.06  1TUSGSSA
2007-04-1315:13 UTCm62610 1.85NGVD291TUSGSSA
2007-04-1315:13 UTCm62611 0.85NAVD881TUSGSSA
2007-04-1315:13 UTCm7201916.04  1TUSGSSA
2007-07-2614:48 UTCm62610 1.57NGVD291TUSGSSA
2007-07-2614:48 UTCm62611 0.57NAVD881TUSGSSA
2007-07-2614:48 UTCm7201916.32  1TUSGSSA
2008-04-2315:23 UTCm62610 1.84NGVD291TUSGSSA
2008-04-2315:23 UTCm62611 0.84NAVD881TUSGSSA
2008-04-2315:23 UTCm7201916.05  1TUSGSSA
2008-09-1814:45 UTCm62610 1.81NGVD291TUSGSSA
2008-09-1814:45 UTCm62611 0.81NAVD881TUSGSSA
2008-09-1814:45 UTCm7201916.08  1TUSGSSA
2009-04-0214:45 UTCm62610 1.82NGVD291TUSGSSA
2009-04-0214:45 UTCm62611 0.82NAVD881TUSGSSA
2009-04-0214:45 UTCm7201916.07  1TUSGSSA
2009-06-1814:20 UTCm62610 2.00NGVD291TUSGSSA
2009-06-1814:20 UTCm62611 1.00NAVD881TUSGSSA
2009-06-1814:20 UTCm7201915.89  1TUSGSSA
2009-09-1718:15 UTCm62610 1.94NGVD291TUSGSSA
2009-09-1718:15 UTCm62611 0.94NAVD881TUSGSSA
2009-09-1718:15 UTCm7201915.95  1TUSGSSA
2010-03-2514:12 UTCm62610 3.01NGVD291TUSGSSA
2010-03-2514:12 UTCm62611 2.01NAVD881TUSGSSA
2010-03-2514:12 UTCm7201914.88  1TUSGSSA
2010-07-2114:55 UTCm62610 1.81NGVD291TUSGSSA
2010-07-2114:55 UTCm62611 0.81NAVD881TUSGSSA
2010-07-2114:55 UTCm7201916.08  1TUSGSSA
2010-11-0412:55 UTCm62610 1.58NGVD291OUSGSSA
2010-11-0412:55 UTCm62611 0.58NAVD881OUSGSSA
2010-11-0412:55 UTCm7201916.31  1OUSGSSA
2011-04-1817:25 UTCm62610 2.06NGVD291OUSGSSA
2011-04-1817:25 UTCm62611 1.06NAVD881OUSGSSA
2011-04-1817:25 UTCm7201915.83  1OUSGSSA
2011-07-0714:55 UTCm62610 2.23NGVD291OUSGSSA
2011-07-0714:55 UTCm62611 1.23NAVD881OUSGSSA
2011-07-0714:55 UTCm7201915.66  1OUSGSSA
2011-10-2614:20 UTCm62610 2.21NGVD291OUSGSSA
2011-10-2614:20 UTCm62611 1.21NAVD881OUSGSSA
2011-10-2614:20 UTCm7201915.68  1OUSGSSA
2011-12-2314:55 UTCm62610 2.19NGVD291OUSGSSA
2011-12-2314:55 UTCm62611 1.19NAVD881OUSGSSA
2011-12-2314:55 UTCm7201915.70  1OUSGSSA
2024-11-0115:02 UTCm62610 1.79NGVD291VCTAP
2024-11-0115:02 UTCm62611 0.79NAVD881VCTAP
2024-11-0115:02 UTCm7201916.10  1VCTAP
2025-01-2915:25 UTCm62610 1.52NGVD291VUSGSSP
2025-01-2915:25 UTCm62611 0.52NAVD881VUSGSSP
2025-01-2915:25 UTCm7201916.37  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 measurementOObserved.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyCTNot determined
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.