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Groundwater levels for the Nation

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Agency code = usgs
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  • 404242073420701
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USGS 404242073420701 N 1457. 1

Nassau County, New York
Latitude  40°42'41", Longitude  73°42'07" NAD27
Land-surface elevation 55.0 feet above NGVD29
The depth of the well is 49 feet below land surface.
The depth of the hole is 49 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
Graph of data
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
1950-09-06 D62610 42.17NGVD291OUSGSSA
1950-09-06 D62611 41.06NAVD881OUSGSSA
1950-09-06 D7201912.83  1OUSGSSA
1950-12-28 D62610 43.18NGVD291OUSGSSA
1950-12-28 D62611 42.07NAVD881OUSGSSA
1950-12-28 D7201911.82  1OUSGSSA
1951-05-22 D62610 42.78NGVD291OUSGSSA
1951-05-22 D62611 41.67NAVD881OUSGSSA
1951-05-22 D7201912.22  1OUSGSSA
1951-12-03 D62610 41.80NGVD291OUSGSSA
1951-12-03 D62611 40.69NAVD881OUSGSSA
1951-12-03 D7201913.20  1OUSGSSA
1952-06-21 D62610 45.57NGVD291OUSGSSA
1952-06-21 D62611 44.46NAVD881OUSGSSA
1952-06-21 D720199.43  1OUSGSSA
1952-10-27 D62610 43.99NGVD291OUSGSSA
1952-10-27 D62611 42.88NAVD881OUSGSSA
1952-10-27 D7201911.01  1OUSGSSA
1953-04-02 D62610 45.03NGVD291OUSGSSA
1953-04-02 D62611 43.92NAVD881OUSGSSA
1953-04-02 D720199.97  1OUSGSSA
1953-09-28 D62610 43.96NGVD291OUSGSSA
1953-09-28 D62611 42.85NAVD881OUSGSSA
1953-09-28 D7201911.04  1OUSGSSA
1954-04-29 D62610 42.83NGVD291OUSGSSA
1954-04-29 D62611 41.72NAVD881OUSGSSA
1954-04-29 D7201912.17  1OUSGSSA
1954-09-28 D62610 42.29NGVD291OUSGSSA
1954-09-28 D62611 41.18NAVD881OUSGSSA
1954-09-28 D7201912.71  1OUSGSSA
1955-04-13 D62610 42.25NGVD291OUSGSSA
1955-04-13 D62611 41.14NAVD881OUSGSSA
1955-04-13 D7201912.75  1OUSGSSA
1955-07-29 D62610 39.93NGVD291OUSGSSA
1955-07-29 D62611 38.82NAVD881OUSGSSA
1955-07-29 D7201915.07  1OUSGSSA
1955-12-08 D62610 42.66NGVD291OUSGSSA
1955-12-08 D62611 41.55NAVD881OUSGSSA
1955-12-08 D7201912.34  1OUSGSSA
1956-04-23 D62610 43.24NGVD291OUSGSSA
1956-04-23 D62611 42.13NAVD881OUSGSSA
1956-04-23 D7201911.76  1OUSGSSA
1956-12-06 D62610 39.19NGVD291OUSGSSA
1956-12-06 D62611 38.08NAVD881OUSGSSA
1956-12-06 D7201915.81  1OUSGSSA
1957-05-07 D62610 38.83NGVD291OUSGSSA
1957-05-07 D62611 37.72NAVD881OUSGSSA
1957-05-07 D7201916.17  1OUSGSSA
1957-08-01 D62610 36.93NGVD291OUSGSSA
1957-08-01 D62611 35.82NAVD881OUSGSSA
1957-08-01 D7201918.07  1OUSGSSA
1958-05-12 D62610 40.11NGVD291OUSGSSA
1958-05-12 D62611 39.00NAVD881OUSGSSA
1958-05-12 D7201914.89  1OUSGSSA
1958-12-19 D62610 38.79NGVD291OUSGSSA
1958-12-19 D62611 37.68NAVD881OUSGSSA
1958-12-19 D7201916.21  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.