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Groundwater levels for the Nation

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  • 404203073395004
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USGS 404203073395004 N 1128. 2

Nassau County, New York
Latitude  40°42'03", Longitude  73°39'50" NAD27
Land-surface elevation 62.0 feet above NGVD29
The depth of the well is 40 feet below land surface.
The depth of the hole is 40 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
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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
1961-08-29 D62610 39.62NGVD291OUSGSSA
1961-08-29 D62611 38.50NAVD881OUSGSSA
1961-08-29 D7201922.38  1OUSGSSA
1961-10-10 D62610 39.43NGVD291OUSGSSA
1961-10-10 D62611 38.31NAVD881OUSGSSA
1961-10-10 D7201922.57  1OUSGSSA
1961-12-14 D62610 38.62NGVD291OUSGSSA
1961-12-14 D62611 37.50NAVD881OUSGSSA
1961-12-14 D7201923.38  1OUSGSSA
1962-03-09 D62610 39.22NGVD291OUSGSSA
1962-03-09 D62611 38.10NAVD881OUSGSSA
1962-03-09 D7201922.78  1OUSGSSA
1962-07-19 D62610 37.40NGVD291OUSGSSA
1962-07-19 D62611 36.28NAVD881OUSGSSA
1962-07-19 D7201924.60  1OUSGSSA
1962-11-27 D62610 37.17NGVD291OUSGSSA
1962-11-27 D62611 36.05NAVD881OUSGSSA
1962-11-27 D7201924.83  1OUSGSSA
1963-03-05 D62610 36.97NGVD291OUSGSSA
1963-03-05 D62611 35.85NAVD881OUSGSSA
1963-03-05 D7201925.03  1OUSGSSA
1963-06-19 D62610 36.25NGVD291OUSGSSA
1963-06-19 D62611 35.13NAVD881OUSGSSA
1963-06-19 D7201925.75  1OUSGSSA
1963-09-12 D62610 34.85NGVD291OUSGSSA
1963-09-12 D62611 33.73NAVD881OUSGSSA
1963-09-12 D7201927.15  1OUSGSSA
1963-12-18 D62610 34.32NGVD291OUSGSSA
1963-12-18 D62611 33.20NAVD881OUSGSSA
1963-12-18 D7201927.68  1OUSGSSA
1964-03-24 D62610 34.80NGVD291OUSGSSA
1964-03-24 D62611 33.68NAVD881OUSGSSA
1964-03-24 D7201927.20  1OUSGSSA
1964-06-18 D62610 34.77NGVD291OUSGSSA
1964-06-18 D62611 33.65NAVD881OUSGSSA
1964-06-18 D7201927.23  1OUSGSSA
1964-11-30 D62610 32.42NGVD291OUSGSSA
1964-11-30 D62611 31.30NAVD881OUSGSSA
1964-11-30 D7201929.58  1OUSGSSA
1965-03-11 D62610 33.57NGVD291OUSGSSA
1965-03-11 D62611 32.45NAVD881OUSGSSA
1965-03-11 D7201928.43  1OUSGSSA
1965-06-02 D62610 32.16NGVD291OUSGSSA
1965-06-02 D62611 31.04NAVD881OUSGSSA
1965-06-02 D7201929.84  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.