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Groundwater levels for the Nation

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Agency code = usgs
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  • 404434073394001
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USGS 404434073394001 N 2565. 2

Nassau County, New York
Latitude  40°44'34", Longitude  73°39'40" NAD27
Land-surface elevation 107.0 feet above NGVD29
The depth of the well is 410 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
1948-03-31 D62610 64.75NGVD291OUSGSSA
1948-03-31 D62611 63.63NAVD881OUSGSSA
1948-03-31 D7201942.25  1OUSGSSA
1948-04-03 D62610 64.87NGVD291OUSGSSA
1948-04-03 D62611 63.75NAVD881OUSGSSA
1948-04-03 D7201942.13  1OUSGSSA
1948-04-24 D62610 65.57NGVD291OUSGSSA
1948-04-24 D62611 64.45NAVD881OUSGSSA
1948-04-24 D7201941.43  1OUSGSSA
1948-05-01 D62610 65.74NGVD291OUSGSSA
1948-05-01 D62611 64.62NAVD881OUSGSSA
1948-05-01 D7201941.26  1OUSGSSA
1948-05-08 D62610 65.62NGVD291OUSGSSA
1948-05-08 D62611 64.50NAVD881OUSGSSA
1948-05-08 D7201941.38  1OUSGSSA
1948-05-15 D62610 65.66NGVD291OUSGSSA
1948-05-15 D62611 64.54NAVD881OUSGSSA
1948-05-15 D7201941.34  1OUSGSSA
1948-05-22 D62610 65.82NGVD291OUSGSSA
1948-05-22 D62611 64.70NAVD881OUSGSSA
1948-05-22 D7201941.18  1OUSGSSA
1948-05-29 D62610 65.86NGVD291OUSGSSA
1948-05-29 D62611 64.74NAVD881OUSGSSA
1948-05-29 D7201941.14  1OUSGSSA
1948-06-04 D62610 65.85NGVD291OUSGSSA
1948-06-04 D62611 64.73NAVD881OUSGSSA
1948-06-04 D7201941.15  1OUSGSSA
1948-06-11 D62610 65.82NGVD291OUSGSSA
1948-06-11 D62611 64.70NAVD881OUSGSSA
1948-06-11 D7201941.18  1OUSGSSA
1948-06-18 D62610 65.81NGVD291OUSGSSA
1948-06-18 D62611 64.69NAVD881OUSGSSA
1948-06-18 D7201941.19  1OUSGSSA
1948-06-25 D62610 66.02NGVD291OUSGSSA
1948-06-25 D62611 64.90NAVD881OUSGSSA
1948-06-25 D7201940.98  1OUSGSSA
1948-07-02 D62610 66.07NGVD291OUSGSSA
1948-07-02 D62611 64.95NAVD881OUSGSSA
1948-07-02 D7201940.93  1OUSGSSA
1948-07-09 D62610 66.12NGVD291OUSGSSA
1948-07-09 D62611 65.00NAVD881OUSGSSA
1948-07-09 D7201940.88  1OUSGSSA
1948-07-16 D62610 66.31NGVD291OUSGSSA
1948-07-16 D62611 65.19NAVD881OUSGSSA
1948-07-16 D7201940.69  1OUSGSSA
1948-07-23 D62610 66.49NGVD291OUSGSSA
1948-07-23 D62611 65.37NAVD881OUSGSSA
1948-07-23 D7201940.51  1OUSGSSA
1958-10-10 D62610 62.96NGVD291OUSGSSA
1958-10-10 D62611 61.84NAVD881OUSGSSA
1958-10-10 D7201944.04  1OUSGSSA
1964-12-15 D62610 51.72NGVD291OUSGSSA
1964-12-15 D62611 50.60NAVD881OUSGSSA
1964-12-15 D7201955.28  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.