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Groundwater levels for New York

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Agency code = usgs
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  • 404115073393301
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USGS 404115073393301 N 1603. 1

Nassau County, New York
Latitude  40°41'12", Longitude  73°39'35" NAD27
Land-surface elevation 32.0 feet above NGVD29
The depth of the well is 539 feet below land surface.
The depth of the hole is 539 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 Magothy Aquifer (211MAGT) 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
1961-03-13 D62610 7.77NGVD291OUSGSSA
1961-03-13 D62611 6.65NAVD881OUSGSSA
1961-03-13 D7201924.23  1OUSGSSA
1964-03-12 D62610 4.61NGVD291OUSGSSA
1964-03-12 D62611 3.49NAVD881OUSGSSA
1964-03-12 D7201927.39  1OUSGSSA
1972-03-14 D62610 18.06NGVD291OUSGSSA
1972-03-14 D62611 16.94NAVD881OUSGSSA
1972-03-14 D7201913.94  1OUSGSSA

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