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Groundwater levels for the Nation

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Agency code = usgs
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  • 392645076123701
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USGS 392645076123701 HA De 163

Harford County, Maryland
Latitude  39°26'45", Longitude  76°12'37" NAD27
Land-surface elevation 29.96 feet above NGVD29
The depth of the well is 165 feet below land surface.
The depth of the hole is 165.4 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Potomac Group (217POMC) 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
1986-12-12 D62610 11.06NGVD291SUSGSSA
1986-12-12 D62611 10.17NAVD881SUSGSSA
1986-12-12 D7201918.90  1SUSGSSA
1987-04-21 D62610 12.86NGVD291Z  A
1987-04-21 D62611 11.97NAVD881Z  A
1987-04-21 D7201917.10  1Z  A
1987-11-18 D62610 10.85NGVD291Z  A
1987-11-18 D62611 9.96NAVD881Z  A
1987-11-18 D7201919.11  1Z  A
1988-05-12 D62610 11.71NGVD291Z  A
1988-05-12 D62611 10.82NAVD881Z  A
1988-05-12 D7201918.25  1Z  A
1989-05-02 D62610 12.15NGVD291Z  A
1989-05-02 D62611 11.26NAVD881Z  A
1989-05-02 D7201917.81  1Z  A
1994-02-15 D62610 11.74NGVD291Z  A
1994-02-15 D62611 10.85NAVD881Z  A
1994-02-15 D7201918.22  1Z  A
1994-04-04 D62610 13.11NGVD291Z  A
1994-04-04 D62611 12.22NAVD881Z  A
1994-04-04 D7201916.85  1Z  A
1994-04-19 D62610 13.48NGVD291Z  A
1994-04-19 D62611 12.59NAVD881Z  A
1994-04-19 D7201916.48  1Z  A
1994-06-10 D62610 12.46NGVD291Z  A
1994-06-10 D62611 11.57NAVD881Z  A
1994-06-10 D7201917.50  1Z  A
1994-08-22 D62610 13.88NGVD291Z  A
1994-08-22 D62611 12.99NAVD881Z  A
1994-08-22 D7201916.08  1Z  A
1994-10-19 D62610 13.66NGVD291Z  A
1994-10-19 D62611 12.77NAVD881Z  A
1994-10-19 D7201916.30  1Z  A
1995-01-13 D62610 12.53NGVD291Z  A
1995-01-13 D62611 11.64NAVD881Z  A
1995-01-13 D7201917.43  1Z  A
1995-02-23 D62610 12.75NGVD291Z  A
1995-02-23 D62611 11.86NAVD881Z  A
1995-02-23 D7201917.21  1Z  A
1995-04-11 D62610 12.69NGVD291Z  A
1995-04-11 D62611 11.80NAVD881Z  A
1995-04-11 D7201917.27  1Z  A
2012-04-2017:18 UTCm62610 12.85NGVD291TMD006AA
2012-04-2017:18 UTCm62611 11.96NAVD881TMD006AA
2012-04-2017:18 UTCm7201917.11  1TMD006AA
2013-04-1520:07 UTCm62610 10.71NGVD291TUSGSSA
2013-04-1520:07 UTCm62611 9.82NAVD881TUSGSSA
2013-04-1520:07 UTCm7201919.25  1TUSGSSA

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 measurementTElectric-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Measuring agencyMD006Maryland Geological Survey
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
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.