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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 392740076121701
Minimum number of levels = 1
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USGS 392740076121701 HA De 120

Harford County, Maryland
Latitude  39°27'40", Longitude  76°12'17" NAD27
Land-surface elevation 38.66 feet above NGVD29
The depth of the well is 38.0 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
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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
1974-12-04 D62610 18.66NGVD291SUSGSSA
1974-12-04 D62611 17.77NAVD881SUSGSSA
1974-12-04 D7201920.00  1SUSGSSA
1986-07-24 D62610 15.25NGVD291S  A
1986-07-24 D62611 14.36NAVD881S  A
1986-07-24 D7201923.41  1S  A
1987-04-22 D62610 17.14NGVD291Z  A
1987-04-22 D62611 16.25NAVD881Z  A
1987-04-22 D7201921.52  1Z  A
1987-11-18 D62610 14.49NGVD291Z  A
1987-11-18 D62611 13.60NAVD881Z  A
1987-11-18 D7201924.17  1Z  A
1988-05-12 D62610 15.17NGVD291Z  A
1988-05-12 D62611 14.28NAVD881Z  A
1988-05-12 D7201923.49  1Z  A
1989-05-02 D62610 15.71NGVD291Z  A
1989-05-02 D62611 14.82NAVD881Z  A
1989-05-02 D7201922.95  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 measurementSSteel-tape measurement.
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.