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Groundwater levels for the Nation

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  • 404354073294503
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USGS 404354073294503 N 10997. 1

Nassau County, New York
Latitude  40°43'54", Longitude  73°29'45" NAD27
Land-surface elevation 70 feet above NAVD88
The depth of the well is 570 feet below land surface.
The depth of the hole is 570 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
1987-12-17 D62610 55.49NGVD291OUSGSSA
1987-12-17 D62611 54.29NAVD881OUSGSSA
1987-12-17 D7201915.71  1OUSGSSA
1988-01-22 D62610 53.44NGVD291OUSGSSA
1988-01-22 D62611 52.24NAVD881OUSGSSA
1988-01-22 D7201917.76  1OUSGSSA
1988-02-11 D62610 53.40NGVD291OUSGSSA
1988-02-11 D62611 52.20NAVD881OUSGSSA
1988-02-11 D7201917.80  1OUSGSSA
1988-03-11 D62610 54.00NGVD291OUSGSSA
1988-03-11 D62611 52.80NAVD881OUSGSSA
1988-03-11 D7201917.20  1OUSGSSA
1988-04-11 D62610 54.03NGVD291OUSGSSA
1988-04-11 D62611 52.83NAVD881OUSGSSA
1988-04-11 D7201917.17  1OUSGSSA
1988-05-05 D62610 53.97NGVD291OUSGSSA
1988-05-05 D62611 52.77NAVD881OUSGSSA
1988-05-05 D7201917.23  1OUSGSSA
1988-06-02 D62610 53.71NGVD291OUSGSSA
1988-06-02 D62611 52.51NAVD881OUSGSSA
1988-06-02 D7201917.49  1OUSGSSA
1988-07-07 D62610 51.54NGVD291OUSGSSA
1988-07-07 D62611 50.34NAVD881OUSGSSA
1988-07-07 D7201919.66  1OUSGSSA
1988-08-10 D62610 51.52NGVD291OUSGSSA
1988-08-10 D62611 50.32NAVD881OUSGSSA
1988-08-10 D7201919.68  1OUSGSSA
1988-09-14 D62610 52.70NGVD291OUSGSSA
1988-09-14 D62611 51.50NAVD881OUSGSSA
1988-09-14 D7201918.50  1OUSGSSA
1988-10-14 D62610 52.77NGVD291OUSGSSA
1988-10-14 D62611 51.57NAVD881OUSGSSA
1988-10-14 D7201918.43  1OUSGSSA
1988-11-30 D62610 53.37NGVD291OUSGSSA
1988-11-30 D62611 52.17NAVD881OUSGSSA
1988-11-30 D7201917.83  1OUSGSSA
1988-12-29 D62610 53.37NGVD291OUSGSSA
1988-12-29 D62611 52.17NAVD881OUSGSSA
1988-12-29 D7201917.83  1OUSGSSA
1989-01-25 D62610 53.13NGVD291OUSGSSA
1989-01-25 D62611 51.93NAVD881OUSGSSA
1989-01-25 D7201918.07  1OUSGSSA
1989-02-28 D62610 53.01NGVD291OUSGSSA
1989-02-28 D62611 51.81NAVD881OUSGSSA
1989-02-28 D7201918.19  1OUSGSSA
1989-03-22 D62610 52.80NGVD291OUSGSSA
1989-03-22 D62611 51.60NAVD881OUSGSSA
1989-03-22 D7201918.40  1OUSGSSA
1989-04-26 D62610 53.72NGVD291OUSGSSA
1989-04-26 D62611 52.52NAVD881OUSGSSA
1989-04-26 D7201917.48  1OUSGSSA
1989-05-19 D62610 54.93NGVD291OUSGSSA
1989-05-19 D62611 53.73NAVD881OUSGSSA
1989-05-19 D7201916.27  1OUSGSSA
1989-06-27 D62610 57.12NGVD291OUSGSSA
1989-06-27 D62611 55.92NAVD881OUSGSSA
1989-06-27 D7201914.08  1OUSGSSA
1989-07-24 D62610 57.57NGVD291OUSGSSA
1989-07-24 D62611 56.37NAVD881OUSGSSA
1989-07-24 D7201913.63  1OUSGSSA
1989-08-30 D62610 58.22NGVD291OUSGSSA
1989-08-30 D62611 57.02NAVD881OUSGSSA
1989-08-30 D7201912.98  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.