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Groundwater levels for the Nation

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Agency code = usgs
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  • 415101072314901
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USGS 415101072314901 CT- SW 139

Hartford County, Connecticut
Latitude  41°51'00.4", Longitude  72°31'49.4" NAD83
Land-surface elevation 270 feet above NGVD29
The depth of the well is 18.6 feet below land surface.
The depth of the hole is 18.6 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.
Output formats
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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
2003-08-1413:00 UTCm62610 263.50NGVD29 TUSGSSA
2003-08-1413:00 UTCm62611 262.72NAVD88 TUSGSSA
2003-08-1413:00 UTCm720196.50   TUSGSSA
2005-08-2311:32 UTCm62610 261.84NGVD291TUSGSSA
2005-08-2311:32 UTCm62611 261.06NAVD881TUSGSSA
2005-08-2311:32 UTCm720198.16  1TUSGSSA
2006-09-2615:44 UTCm62610 262.55NGVD291TUSGSSA
2006-09-2615:44 UTCm62611 261.77NAVD881TUSGSSA
2006-09-2615:44 UTCm720197.45  1TUSGSSA
2008-12-1819:25 UTCm62610 265.19NGVD291TUSGSSA
2008-12-1819:25 UTCm62611 264.41NAVD881TUSGSSA
2008-12-1819:25 UTCm720194.81  1TUSGSSA
2009-12-3016:20 UTCm62610 264.35NGVD291TUSGSSA
2009-12-3016:20 UTCm62611 263.57NAVD881TUSGSSA
2009-12-3016:20 UTCm720195.65  1TUSGSSA
2010-09-1515:55 UTCm62610 260.79NGVD291TUSGSSA
2010-09-1515:55 UTCm62611 260.01NAVD881TUSGSSA
2010-09-1515:55 UTCm720199.21  1TUSGSSA
2012-04-2020:05 UTCm62610 263.61NGVD291TUSGSSA
2012-04-2020:05 UTCm62611 262.83NAVD881TUSGSSA
2012-04-2020:05 UTCm720196.39  1TUSGSSA
2012-09-1917:04 UTCm62610 262.47NGVD291OUSGSSA
2012-09-1917:04 UTCm62611 261.69NAVD881OUSGSSA
2012-09-1917:04 UTCm720197.53  1OUSGSSA
2013-08-2218:15 UTCm62610 263.20NGVD291OUSGSSA
2013-08-2218:15 UTCm62611 262.42NAVD881OUSGSSA
2013-08-2218:15 UTCm720196.80  1OUSGSSA
2015-09-1718:22 UTCm62610 261.61NGVD291OUSGSSA
2015-09-1718:22 UTCm62611 260.83NAVD881OUSGSSA
2015-09-1718:22 UTCm720198.39  1OUSGSSA
2017-08-0216:26 UTCm62610 263.40NGVD291VUSGSSA
2017-08-0216:26 UTCm62611 262.62NAVD881VUSGSSA
2017-08-0216:26 UTCm720196.60  1VUSGSSA
2018-09-1720:08 UTCm62610 263.44NGVD291VUSGSSA
2018-09-1720:08 UTCm62611 262.66NAVD881VUSGSSA
2018-09-1720:08 UTCm720196.56  1VUSGSSA
2022-09-2212:37 UTCm62610 263.42NGVD291VUSGSSP
2022-09-2212:37 UTCm62611 262.64NAVD881VUSGSSP
2022-09-2212:37 UTCm720196.58  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
StatusThe reported water-level measurement represents a static level
Status1Static
Method of measurementOObserved.
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.
Water-level approval statusPProvisional data subject to revision.