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Groundwater levels for the Nation

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  • 405354073364601
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USGS 405354073364601 N 123. 1

Nassau County, New York
Latitude  40°53'53", Longitude  73°36'45" NAD27
Land-surface elevation 25.2 feet above NGVD29
The depth of the well is 304 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 Lloyd Aquifer (211LLYD) local aquifer.
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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
1945-12-13 D62610 10.74NGVD294OUSGSSA
1945-12-13 D62611 9.66NAVD884OUSGSSA
1945-12-13 D7201914.46  4OUSGSSA
1947-03-21 D62610 12.22NGVD294OUSGSSA
1947-03-21 D62611 11.14NAVD884OUSGSSA
1947-03-21 D7201912.98  4OUSGSSA
1948-03-29 D62610 12.77NGVD294OUSGSSA
1948-03-29 D62611 11.69NAVD884OUSGSSA
1948-03-29 D7201912.43  4OUSGSSA
1950-02-17 D62610 11.44NGVD294OUSGSSA
1950-02-17 D62611 10.36NAVD884OUSGSSA
1950-02-17 D7201913.76  4OUSGSSA
1952-02-29 D62610 11.51NGVD294OUSGSSA
1952-02-29 D62611 10.43NAVD884OUSGSSA
1952-02-29 D7201913.69  4OUSGSSA
1953-02-13 D62610 10.97NGVD294OUSGSSA
1953-02-13 D62611 9.89NAVD884OUSGSSA
1953-02-13 D7201914.23  4OUSGSSA
1953-04-16 D62610 12.22NGVD294OUSGSSA
1953-04-16 D62611 11.14NAVD884OUSGSSA
1953-04-16 D7201912.98  4OUSGSSA
1954-11-01 D62610 11.24NGVD294OUSGSSA
1954-11-01 D62611 10.16NAVD884OUSGSSA
1954-11-01 D7201913.96  4OUSGSSA
1954-12-07 D62610 9.87NGVD294OUSGSSA
1954-12-07 D62611 8.79NAVD884OUSGSSA
1954-12-07 D7201915.33  4OUSGSSA
1955-01-03 D62610 8.88NGVD294OUSGSSA
1955-01-03 D62611 7.80NAVD884OUSGSSA
1955-01-03 D7201916.32  4OUSGSSA
1955-01-27 D62610 9.39NGVD294OUSGSSA
1955-01-27 D62611 8.31NAVD884OUSGSSA
1955-01-27 D7201915.81  4OUSGSSA
1955-03-01 D62610 10.55NGVD294OUSGSSA
1955-03-01 D62611 9.47NAVD884OUSGSSA
1955-03-01 D7201914.65  4OUSGSSA
1955-03-30 D62610 8.42NGVD294OUSGSSA
1955-03-30 D62611 7.34NAVD884OUSGSSA
1955-03-30 D7201916.78  4OUSGSSA
1955-05-26 D62610 8.00NGVD294OUSGSSA
1955-05-26 D62611 6.92NAVD884OUSGSSA
1955-05-26 D7201917.20  4OUSGSSA
1955-08-15 D62610 6.05NGVD294OUSGSSA
1955-08-15 D62611 4.97NAVD884OUSGSSA
1955-08-15 D7201919.15  4OUSGSSA
1955-11-07 D62610 11.02NGVD294OUSGSSA
1955-11-07 D62611 9.94NAVD884OUSGSSA
1955-11-07 D7201914.18  4OUSGSSA
1955-12-08 D62610 10.06NGVD294OUSGSSA
1955-12-08 D62611 8.98NAVD884OUSGSSA
1955-12-08 D7201915.14  4OUSGSSA
1956-01-30 D62610 11.45NGVD294OUSGSSA
1956-01-30 D62611 10.37NAVD884OUSGSSA
1956-01-30 D7201913.75  4OUSGSSA
1956-03-01 D62610 11.49NGVD294OUSGSSA
1956-03-01 D62611 10.41NAVD884OUSGSSA
1956-03-01 D7201913.71  4OUSGSSA
1956-06-04 D62610 9.96NGVD294OUSGSSA
1956-06-04 D62611 8.88NAVD884OUSGSSA
1956-06-04 D7201915.24  4OUSGSSA
1956-07-31 D62610 7.74NGVD294OUSGSSA
1956-07-31 D62611 6.66NAVD884OUSGSSA
1956-07-31 D7201917.46  4OUSGSSA
1956-10-09 D62610 11.39NGVD294OUSGSSA
1956-10-09 D62611 10.31NAVD884OUSGSSA
1956-10-09 D7201913.81  4OUSGSSA
1956-11-08 D62610 10.32NGVD294OUSGSSA
1956-11-08 D62611 9.24NAVD884OUSGSSA
1956-11-08 D7201914.88  4OUSGSSA
1957-01-15 D62610 11.99NGVD294OUSGSSA
1957-01-15 D62611 10.91NAVD884OUSGSSA
1957-01-15 D7201913.21  4OUSGSSA
1959-02-16 D62610 11.00NGVD294OUSGSSA
1959-02-16 D62611 9.92NAVD884OUSGSSA
1959-02-16 D7201914.20  4OUSGSSA
1959-04-24 D62610 11.80NGVD291OUSGSSA
1959-04-24 D62611 10.72NAVD881OUSGSSA
1959-04-24 D7201913.40  1OUSGSSA
1961-03-13 D62610 11.30NGVD294OUSGSSA
1961-03-13 D62611 10.22NAVD884OUSGSSA
1961-03-13 D7201913.90  4OUSGSSA
1964-12-15 D62610 9.29NGVD294OUSGSSA
1964-12-15 D62611 8.21NAVD884OUSGSSA
1964-12-15 D7201915.91  4OUSGSSA
1970-10-13 D62610 6.37NGVD294OUSGSSA
1970-10-13 D62611 5.29NAVD884OUSGSSA
1970-10-13 D7201918.83  4OUSGSSA
1970-12-16 D62610 9.54NGVD294OUSGSSA
1970-12-16 D62611 8.46NAVD884OUSGSSA
1970-12-16 D7201915.66  4OUSGSSA
1972-01-06 D62610 10.25NGVD294OUSGSSA
1972-01-06 D62611 9.17NAVD884OUSGSSA
1972-01-06 D7201914.95  4OUSGSSA
1973-01-16 D62610 10.75NGVD294OUSGSSA
1973-01-16 D62611 9.67NAVD884OUSGSSA
1973-01-16 D7201914.45  4OUSGSSA
1981-12-0716:00 UTCm62610 9.18NGVD291OUSGSSA
1981-12-0716:00 UTCm62611 8.10NAVD881OUSGSSA
1981-12-0716:00 UTCm7201916.02  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracymDate is accurate to the Minute
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
Status4GWTideAffected
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.