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Groundwater levels for the Nation

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USGS 404203073354704 N 1163. 1

Nassau County, New York
Latitude  40°42'02", Longitude  73°35'43" NAD27
Land-surface elevation 56.0 feet above NGVD29
The depth of the well is 29 feet below land surface.
The depth of the hole is 29 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
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
1946-09-25 D62610 44.21NGVD291OUSGSSA
1946-09-25 D62611 43.06NAVD881OUSGSSA
1946-09-25 D7201911.79  1OUSGSSA
1949-01-07 D62610 46.80NGVD291OUSGSSA
1949-01-07 D62611 45.65NAVD881OUSGSSA
1949-01-07 D720199.20  1OUSGSSA
1949-06-17 D62610 46.20NGVD291OUSGSSA
1949-06-17 D62611 45.05NAVD881OUSGSSA
1949-06-17 D720199.80  1OUSGSSA
1949-11-03 D62610 43.86NGVD291OUSGSSA
1949-11-03 D62611 42.71NAVD881OUSGSSA
1949-11-03 D7201912.14  1OUSGSSA
1950-04-21 D62610 44.37NGVD291OUSGSSA
1950-04-21 D62611 43.22NAVD881OUSGSSA
1950-04-21 D7201911.63  1OUSGSSA
1950-09-01 D62610 44.02NGVD291OUSGSSA
1950-09-01 D62611 42.87NAVD881OUSGSSA
1950-09-01 D7201911.98  1OUSGSSA
1951-01-02 D62610 43.25NGVD291OUSGSSA
1951-01-02 D62611 42.10NAVD881OUSGSSA
1951-01-02 D7201912.75  1OUSGSSA
1951-05-16 D62610 45.57NGVD291OUSGSSA
1951-05-16 D62611 44.42NAVD881OUSGSSA
1951-05-16 D7201910.43  1OUSGSSA
1951-11-26 D62610 44.36NGVD291OUSGSSA
1951-11-26 D62611 43.21NAVD881OUSGSSA
1951-11-26 D7201911.64  1OUSGSSA
1952-06-14 D62610 47.50NGVD291OUSGSSA
1952-06-14 D62611 46.35NAVD881OUSGSSA
1952-06-14 D720198.50  1OUSGSSA
1952-10-17 D62610 44.36NGVD291OUSGSSA
1952-10-17 D62611 43.21NAVD881OUSGSSA
1952-10-17 D7201911.64  1OUSGSSA
1953-03-26 D62610 45.89NGVD291OUSGSSA
1953-03-26 D62611 44.74NAVD881OUSGSSA
1953-03-26 D7201910.11  1OUSGSSA
1953-09-21 D62610 44.14NGVD291OUSGSSA
1953-09-21 D62611 42.99NAVD881OUSGSSA
1953-09-21 D7201911.86  1OUSGSSA
1954-04-21 D62610 44.03NGVD291OUSGSSA
1954-04-21 D62611 42.88NAVD881OUSGSSA
1954-04-21 D7201911.97  1OUSGSSA
1954-09-21 D62610 43.77NGVD291OUSGSSA
1954-09-21 D62611 42.62NAVD881OUSGSSA
1954-09-21 D7201912.23  1OUSGSSA
1955-04-05 D62610 44.47NGVD291OUSGSSA
1955-04-05 D62611 43.32NAVD881OUSGSSA
1955-04-05 D7201911.53  1OUSGSSA
1955-07-22 D62610 42.28NGVD291OUSGSSA
1955-07-22 D62611 41.13NAVD881OUSGSSA
1955-07-22 D7201913.72  1OUSGSSA
1955-11-30 D62610 44.83NGVD291OUSGSSA
1955-11-30 D62611 43.68NAVD881OUSGSSA
1955-11-30 D7201911.17  1OUSGSSA
1956-04-11 D62610 45.22NGVD291OUSGSSA
1956-04-11 D62611 44.07NAVD881OUSGSSA
1956-04-11 D7201910.78  1OUSGSSA
1956-11-26 D62610 43.37NGVD291OUSGSSA
1956-11-26 D62611 42.22NAVD881OUSGSSA
1956-11-26 D7201912.63  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.