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Groundwater levels for New York

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Agency code = usgs
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  • 404306073371001
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USGS 404306073371001 N 81. 1

Nassau County, New York
Latitude  40°43'05", Longitude  73°37'09" NAD27
Land-surface elevation 57.0 feet above NGVD29
The depth of the well is 416 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
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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
1959-12-01 D62610 48.59NGVD291OUSGSSA
1959-12-01 D62611 47.44NAVD881OUSGSSA
1959-12-01 D720198.41  1OUSGSSA
1960-12-01 D62610 50.01NGVD291OUSGSSA
1960-12-01 D62611 48.86NAVD881OUSGSSA
1960-12-01 D720196.99  1OUSGSSA
1961-12-01 D62610 49.73NGVD291OUSGSSA
1961-12-01 D62611 48.58NAVD881OUSGSSA
1961-12-01 D720197.27  1OUSGSSA
1962-12-01 D62610 48.53NGVD291OUSGSSA
1962-12-01 D62611 47.38NAVD881OUSGSSA
1962-12-01 D720198.47  1OUSGSSA
1963-12-01 D62610 45.81NGVD291OUSGSSA
1963-12-01 D62611 44.66NAVD881OUSGSSA
1963-12-01 D7201911.19  1OUSGSSA
1964-12-01 D62610 44.50NGVD291OUSGSSA
1964-12-01 D62611 43.35NAVD881OUSGSSA
1964-12-01 D7201912.50  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.