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Groundwater levels for the Nation

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Agency code = usgs
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  • 384956077250301
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USGS 384956077250301 51U 144

Fairfax County, Virginia
Latitude  38°49'55.80", Longitude  77°25'03.00" NAD83
Land-surface elevation 312 feet above NAVD88
The depth of the well is 81.60 feet below land surface.
The depth of the hole is 82 feet below land surface.
This well is completed in the Early Mesozoic basin aquifers (N300ERLMZC) national aquifer.
This well is completed in the Jurassic System (220JRSC) 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
2002-12-2715:10 UTCm62610 307.99NGVD29 SUSGSSA
2002-12-2715:10 UTCm62611 307.22NAVD88 SUSGSSA
2002-12-2715:10 UTCm720194.78   SUSGSSA
2005-08-02 D62610 307.16NGVD291TUSGSSA
2005-08-02 D62611 306.39NAVD881TUSGSSA
2005-08-02 D720195.61  1TUSGSSA
2006-07-24 D62610 307.95NGVD291TUSGSSA
2006-07-24 D62611 307.18NAVD881TUSGSSA
2006-07-24 D720194.82  1TUSGSSA
2007-08-07 D62610 306.02NGVD291TUSGSSA
2007-08-07 D62611 305.25NAVD881TUSGSSA
2007-08-07 D720196.75  1TUSGSSA
2008-07-16 D62610 307.47NGVD291TUSGSSA
2008-07-16 D62611 306.70NAVD881TUSGSSA
2008-07-16 D720195.30  1TUSGSSA
2009-07-20 D62610 306.68NGVD291TUSGSSA
2009-07-20 D62611 305.91NAVD881TUSGSSA
2009-07-20 D720196.09  1TUSGSSA
2010-07-21 D62610 306.69NGVD291TUSGSSA
2010-07-21 D62611 305.92NAVD881TUSGSSA
2010-07-21 D720196.08  1TUSGSSA
2011-07-18 D62610 306.24NGVD291TUSGSSA
2011-07-18 D62611 305.47NAVD881TUSGSSA
2011-07-18 D720196.53  1TUSGSSA
2012-07-2520:25 UTCm62610 306.27NGVD291TUSGSSA
2012-07-2520:25 UTCm62611 305.50NAVD881TUSGSSA
2012-07-2520:25 UTCm720196.50  1TUSGSSA
2013-08-1220:27 UTCm62610 307.05NGVD291TUSGSSA
2013-08-1220:27 UTCm62611 306.28NAVD881TUSGSSA
2013-08-1220:27 UTCm720195.72  1TUSGSSA
2015-07-2816:25 UTCm62610 306.34NGVD291TUSGSSA
2015-07-2816:25 UTCm62611 305.57NAVD881TUSGSSA
2015-07-2816:25 UTCm720196.43  1TUSGSSA
2017-08-1418:55 UTCm62610 308.33NGVD291TUSGSSA
2017-08-1418:55 UTCm62611 307.56NAVD881TUSGSSA
2017-08-1418:55 UTCm720194.44  1TUSGSSA
2019-08-1219:30 UTCm62610 306.71NGVD291VUSGSSA
2019-08-1219:30 UTCm62611 305.94NAVD881VUSGSSA
2019-08-1219:30 UTCm720196.06  1VUSGSSA
2021-09-2118:10 UTCm62610 306.93NGVD291VUSGSSA
2021-09-2118:10 UTCm62611 306.16NAVD881VUSGSSA
2021-09-2118:10 UTCm720195.84  1VUSGSSA
2023-08-1013:16 UTCm62610 307.13NGVD291VUSGSSP
2023-08-1013:16 UTCm62611 306.36NAVD881VUSGSSP
2023-08-1013:16 UTCm720195.64  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.