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Groundwater levels for the Nation

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Agency code = usgs
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  • 392757076114201
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USGS 392757076114201 HA De 78

Harford County, Maryland
Latitude  39°27'53", Longitude  76°11'44" NAD27
Land-surface elevation 41.84 feet above NGVD29
The depth of the well is 97.0 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 Talbot Formation (112TLBT) local aquifer.
Output formats
Table of data
Tab-separated data
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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
1970-09-01 D62610 27.84NGVD291OUSGSSA
1970-09-01 D62611 26.95NAVD881OUSGSSA
1970-09-01 D7201914.00  1OUSGSSA
1994-04-18 D62610 12.31NGVD291Z  A
1994-04-18 D62611 11.42NAVD881Z  A
1994-04-18 D7201929.53  1Z  A
1994-06-08 D62610 12.38NGVD291Z  A
1994-06-08 D62611 11.49NAVD881Z  A
1994-06-08 D7201929.46  1Z  A
1994-08-22 D62610 16.98NGVD291Z  A
1994-08-22 D62611 16.09NAVD881Z  A
1994-08-22 D7201924.86  1Z  A
1994-10-19 D62610 19.32NGVD291Z  A
1994-10-19 D62611 18.43NAVD881Z  A
1994-10-19 D7201922.52  1Z  A
1995-01-10 D62610 10.19NGVD291Z  A
1995-01-10 D62611 9.30NAVD881Z  A
1995-01-10 D7201931.65  1Z  A
1995-02-22 D62610 17.89NGVD291Z  A
1995-02-22 D62611 17.00NAVD881Z  A
1995-02-22 D7201923.95  1Z  A
1995-04-12 D62610 19.25NGVD291Z  A
1995-04-12 D62611 18.36NAVD881Z  A
1995-04-12 D7201922.59  1Z  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 measurementZOther.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.