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Groundwater levels for the Nation

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Agency code = usgs
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  • 384854077251801
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USGS 384854077251801 51U 145

Fairfax County, Virginia
Latitude  38°48'53.94", Longitude  77°25'17.88" NAD83
Land-surface elevation 295 feet above NAVD88
The depth of the well is 61.18 feet below land surface.
The depth of the hole is 62 feet below land surface.
This well is completed in the Valley and Ridge aquifers (N500VLYRDG) national aquifer.
This well is completed in the Cambrian System (370CMBR) 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
2002-12-2714:35 UTCm62610 295.33NGVD29 SUSGSSA
2002-12-2714:35 UTCm62611 294.55NAVD88 SUSGSSA
2002-12-2714:35 UTCm720190.45   SUSGSSA
2005-08-02 D62610 292.28NGVD291TUSGSSA
2005-08-02 D62611 291.50NAVD881TUSGSSA
2005-08-02 D720193.50  1TUSGSSA
2006-07-24 D62610 292.91NGVD291TUSGSSA
2006-07-24 D62611 292.13NAVD881TUSGSSA
2006-07-24 D720192.87  1TUSGSSA
2007-08-07 D62610 291.78NGVD291TUSGSSA
2007-08-07 D62611 291.00NAVD881TUSGSSA
2007-08-07 D720194.00  1TUSGSSA
2008-07-16 D62610 292.23NGVD291TUSGSSA
2008-07-16 D62611 291.45NAVD881TUSGSSA
2008-07-16 D720193.55  1TUSGSSA
2009-07-20 D62610 291.33NGVD291TUSGSSA
2009-07-20 D62611 290.55NAVD881TUSGSSA
2009-07-20 D720194.45  1TUSGSSA
2010-07-21 D62610 291.73NGVD291TUSGSSA
2010-07-21 D62611 290.95NAVD881TUSGSSA
2010-07-21 D720194.05  1TUSGSSA
2011-07-18 D62610 291.44NGVD291TUSGSSA
2011-07-18 D62611 290.66NAVD881TUSGSSA
2011-07-18 D720194.34  1TUSGSSA
2012-07-2520:09 UTCm62610 291.70NGVD291TUSGSSA
2012-07-2520:09 UTCm62611 290.92NAVD881TUSGSSA
2012-07-2520:09 UTCm720194.08  1TUSGSSA
2013-08-1220:13 UTCm62610 291.58NGVD291TUSGSSA
2013-08-1220:13 UTCm62611 290.80NAVD881TUSGSSA
2013-08-1220:13 UTCm720194.20  1TUSGSSA
2015-07-1612:31 UTCm62610 292.85NGVD291TUSGSSA
2015-07-1612:31 UTCm62611 292.07NAVD881TUSGSSA
2015-07-1612:31 UTCm720192.93  1TUSGSSA
2017-08-1418:36 UTCm62610 292.56NGVD291TUSGSSA
2017-08-1418:36 UTCm62611 291.78NAVD881TUSGSSA
2017-08-1418:36 UTCm720193.22  1TUSGSSA
2019-08-1219:15 UTCm62610 291.49NGVD291VUSGSSA
2019-08-1219:15 UTCm62611 290.71NAVD881VUSGSSA
2019-08-1219:15 UTCm720194.29  1VUSGSSA
2021-09-2118:27 UTCm62610 291.94NGVD291VUSGSSA
2021-09-2118:27 UTCm62611 291.16NAVD881VUSGSSA
2021-09-2118:27 UTCm720193.84  1VUSGSSA
2023-08-1013:35 UTCm62610 292.02NGVD291VUSGSSP
2023-08-1013:35 UTCm62611 291.24NAVD881VUSGSSP
2023-08-1013:35 UTCm720193.76  1VUSGSSP

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 measurementSSteel-tape measurement.
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.