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Groundwater levels for the Nation

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Agency code = usgs
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  • 404030073382201
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USGS 404030073382201 N 9373. 1

Nassau County, New York
Latitude  40°40'30", Longitude  73°38'22" NAD27
Land-surface elevation 34.0 feet above NGVD29
The depth of the well is 17 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 Glacial Aquifer, Upper (112GLCLU) 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
1978-09-28 D62610 23.27NGVD291OUSGSSA
1978-09-28 D62611 22.14NAVD881OUSGSSA
1978-09-28 D7201910.73  1OUSGSSA
1978-10-24 D62610 23.30NGVD291OUSGSSA
1978-10-24 D62611 22.17NAVD881OUSGSSA
1978-10-24 D7201910.70  1OUSGSSA
1978-11-22 D62610 21.75NGVD291OUSGSSA
1978-11-22 D62611 20.62NAVD881OUSGSSA
1978-11-22 D7201912.25  1OUSGSSA
1978-12-28 D62610 22.11NGVD291OUSGSSA
1978-12-28 D62611 20.98NAVD881OUSGSSA
1978-12-28 D7201911.89  1OUSGSSA
1979-03-21 D62610 25.01NGVD291OUSGSSA
1979-03-21 D62611 23.88NAVD881OUSGSSA
1979-03-21 D720198.99  1OUSGSSA
1979-04-19 D62610 24.82NGVD291OUSGSSA
1979-04-19 D62611 23.69NAVD881OUSGSSA
1979-04-19 D720199.18  1OUSGSSA
1979-05-24 D62610 24.86NGVD291OUSGSSA
1979-05-24 D62611 23.73NAVD881OUSGSSA
1979-05-24 D720199.14  1OUSGSSA
1983-10-2321:36 UTCm62610 21.36NGVD291OUSGSSA
1983-10-2321:36 UTCm62611 20.23NAVD881OUSGSSA
1983-10-2321:36 UTCm7201912.64  1OUSGSSA
1984-10-1622:30 UTCm62610 23.15NGVD291OUSGSSA
1984-10-1622:30 UTCm62611 22.02NAVD881OUSGSSA
1984-10-1622:30 UTCm7201910.85  1OUSGSSA
1985-05-1601:18 UTCm62610 21.14NGVD291OUSGSSA
1985-05-1601:18 UTCm62611 20.01NAVD881OUSGSSA
1985-05-1601:18 UTCm7201912.86  1OUSGSSA

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 measurementOObserved.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.