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Groundwater levels for the Nation

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USGS 404804073411301 N 3523. 2

Nassau County, New York
Latitude  40°48'14", Longitude  73°41'12" NAD27
Land-surface elevation 201.0 feet above NGVD29
The depth of the well is 326 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
1955-01-12 D62610 54.07NGVD291OUSGSSA
1955-01-12 D62611 52.98NAVD881OUSGSSA
1955-01-12 D72019146.93  1OUSGSSA
1955-02-28 D62610 54.14NGVD291OUSGSSA
1955-02-28 D62611 53.05NAVD881OUSGSSA
1955-02-28 D72019146.86  1OUSGSSA
1955-03-25 D62610 53.61NGVD291OUSGSSA
1955-03-25 D62611 52.52NAVD881OUSGSSA
1955-03-25 D72019147.39  1OUSGSSA
1955-05-31 D62610 53.06NGVD291OUSGSSA
1955-05-31 D62611 51.97NAVD881OUSGSSA
1955-05-31 D72019147.94  1OUSGSSA
1955-08-19 D62610 52.14NGVD291OUSGSSA
1955-08-19 D62611 51.05NAVD881OUSGSSA
1955-08-19 D72019148.86  1OUSGSSA
1955-09-30 D62610 52.35NGVD291OUSGSSA
1955-09-30 D62611 51.26NAVD881OUSGSSA
1955-09-30 D72019148.65  1OUSGSSA
1955-11-04 D62610 52.79NGVD291OUSGSSA
1955-11-04 D62611 51.70NAVD881OUSGSSA
1955-11-04 D72019148.21  1OUSGSSA
1956-02-01 D62610 52.62NGVD291OUSGSSA
1956-02-01 D62611 51.53NAVD881OUSGSSA
1956-02-01 D72019148.38  1OUSGSSA
1956-04-04 D62610 53.50NGVD291OUSGSSA
1956-04-04 D62611 52.41NAVD881OUSGSSA
1956-04-04 D72019147.50  1OUSGSSA
1956-10-02 D62610 53.24NGVD291OUSGSSA
1956-10-02 D62611 52.15NAVD881OUSGSSA
1956-10-02 D72019147.76  1OUSGSSA
1956-11-05 D62610 53.40NGVD291OUSGSSA
1956-11-05 D62611 52.31NAVD881OUSGSSA
1956-11-05 D72019147.60  1OUSGSSA
1957-01-04 D62610 53.08NGVD291OUSGSSA
1957-01-04 D62611 51.99NAVD881OUSGSSA
1957-01-04 D72019147.92  1OUSGSSA
1974-03-25 D62610 35.42NGVD291OUSGSSA
1974-03-25 D62611 34.33NAVD881OUSGSSA
1974-03-25 D72019165.58  1OUSGSSA
1975-03-17 D62610 35.56NGVD291OUSGSSA
1975-03-17 D62611 34.47NAVD881OUSGSSA
1975-03-17 D72019165.44  1OUSGSSA
1976-03-16 D62610 38.08NGVD291OUSGSSA
1976-03-16 D62611 36.99NAVD881OUSGSSA
1976-03-16 D72019162.92  1OUSGSSA
1977-03-23 D62610 34.66NGVD291OUSGSSA
1977-03-23 D62611 33.57NAVD881OUSGSSA
1977-03-23 D72019166.34  1OUSGSSA
1978-03-03 D62610 38.69NGVD291OUSGSSA
1978-03-03 D62611 37.60NAVD881OUSGSSA
1978-03-03 D72019162.31  1OUSGSSA
1979-03-13 D62610 39.06NGVD291OUSGSSA
1979-03-13 D62611 37.97NAVD881OUSGSSA
1979-03-13 D72019161.94  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.