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Groundwater levels for the Nation

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USGS 404925073381701 N 109. 1

Nassau County, New York
Latitude  40°49'25", Longitude  73°38'17" NAD27
Land-surface elevation 48.0 feet above NGVD29
The depth of the well is 531 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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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
1946-01-22 D62610 19.80NGVD291OUSGSSA
1946-01-22 D62611 18.72NAVD881OUSGSSA
1946-01-22 D7201928.20  1OUSGSSA
1947-03-17 D62610 18.35NGVD291OUSGSSA
1947-03-17 D62611 17.27NAVD881OUSGSSA
1947-03-17 D7201929.65  1OUSGSSA
1948-04-08 D62610 18.02NGVD291OUSGSSA
1948-04-08 D62611 16.94NAVD881OUSGSSA
1948-04-08 D7201929.98  1OUSGSSA
1948-10-20 D62610 14.32NGVD291OUSGSSA
1948-10-20 D62611 13.24NAVD881OUSGSSA
1948-10-20 D7201933.68  1OUSGSSA
1948-11-16 D62610 15.93NGVD291OUSGSSA
1948-11-16 D62611 14.85NAVD881OUSGSSA
1948-11-16 D7201932.07  1OUSGSSA
1948-11-18 D62610 16.54NGVD291OUSGSSA
1948-11-18 D62611 15.46NAVD881OUSGSSA
1948-11-18 D7201931.46  1OUSGSSA
1948-11-19 D62610 16.66NGVD291OUSGSSA
1948-11-19 D62611 15.58NAVD881OUSGSSA
1948-11-19 D7201931.34  1OUSGSSA
1948-11-20 D62610 17.57NGVD291OUSGSSA
1948-11-20 D62611 16.49NAVD881OUSGSSA
1948-11-20 D7201930.43  1OUSGSSA
1948-11-21 D62610 18.67NGVD291OUSGSSA
1948-11-21 D62611 17.59NAVD881OUSGSSA
1948-11-21 D7201929.33  1OUSGSSA
1948-11-22 D62610 18.41NGVD291OUSGSSA
1948-11-22 D62611 17.33NAVD881OUSGSSA
1948-11-22 D7201929.59  1OUSGSSA
1950-02-13 D62610 16.65NGVD291OUSGSSA
1950-02-13 D62611 15.57NAVD881OUSGSSA
1950-02-13 D7201931.35  1OUSGSSA
1952-03-18 D62610 12.64NGVD291OUSGSSA
1952-03-18 D62611 11.56NAVD881OUSGSSA
1952-03-18 D7201935.36  1OUSGSSA
1953-02-13 D62610 14.70NGVD291OUSGSSA
1953-02-13 D62611 13.62NAVD881OUSGSSA
1953-02-13 D7201933.30  1OUSGSSA
1953-02-27 D62610 14.62NGVD291OUSGSSA
1953-02-27 D62611 13.54NAVD881OUSGSSA
1953-02-27 D7201933.38  1OUSGSSA
1953-04-02 D62610 15.44NGVD291OUSGSSA
1953-04-02 D62611 14.36NAVD881OUSGSSA
1953-04-02 D7201932.56  1OUSGSSA
1953-05-01 D62610 15.50NGVD291OUSGSSA
1953-05-01 D62611 14.42NAVD881OUSGSSA
1953-05-01 D7201932.50  1OUSGSSA
1953-08-06 D62610 11.87NGVD291OUSGSSA
1953-08-06 D62611 10.79NAVD881OUSGSSA
1953-08-06 D7201936.13  1OUSGSSA
1953-08-25 D62610 12.02NGVD291OUSGSSA
1953-08-25 D62611 10.94NAVD881OUSGSSA
1953-08-25 D7201935.98  1OUSGSSA
1953-10-02 D62610 12.22NGVD291OUSGSSA
1953-10-02 D62611 11.14NAVD881OUSGSSA
1953-10-02 D7201935.78  1OUSGSSA
1953-11-30 D62610 13.55NGVD291OUSGSSA
1953-11-30 D62611 12.47NAVD881OUSGSSA
1953-11-30 D7201934.45  1OUSGSSA
1953-12-17 D62610 14.58NGVD291OUSGSSA
1953-12-17 D62611 13.50NAVD881OUSGSSA
1953-12-17 D7201933.42  1OUSGSSA
1954-01-26 D62610 13.74NGVD291OUSGSSA
1954-01-26 D62611 12.66NAVD881OUSGSSA
1954-01-26 D7201934.26  1OUSGSSA
1954-02-24 D62610 14.90NGVD291OUSGSSA
1954-02-24 D62611 13.82NAVD881OUSGSSA
1954-02-24 D7201933.10  1OUSGSSA
1954-03-22 D62610 16.12NGVD291OUSGSSA
1954-03-22 D62611 15.04NAVD881OUSGSSA
1954-03-22 D7201931.88  1OUSGSSA
1954-04-26 D62610 15.46NGVD291OUSGSSA
1954-04-26 D62611 14.38NAVD881OUSGSSA
1954-04-26 D7201932.54  1OUSGSSA
1954-05-24 D62610 14.26NGVD291OUSGSSA
1954-05-24 D62611 13.18NAVD881OUSGSSA
1954-05-24 D7201933.74  1OUSGSSA
1954-08-25 D62610 13.86NGVD291OUSGSSA
1954-08-25 D62611 12.78NAVD881OUSGSSA
1954-08-25 D7201934.14  1OUSGSSA
1954-12-06 D62610 14.53NGVD291OUSGSSA
1954-12-06 D62611 13.45NAVD881OUSGSSA
1954-12-06 D7201933.47  1OUSGSSA
1955-01-03 D62610 15.00NGVD291OUSGSSA
1955-01-03 D62611 13.92NAVD881OUSGSSA
1955-01-03 D7201933.00  1OUSGSSA
1955-01-27 D62610 15.60NGVD291OUSGSSA
1955-01-27 D62611 14.52NAVD881OUSGSSA
1955-01-27 D7201932.40  1OUSGSSA
1955-03-01 D62610 15.89NGVD291OUSGSSA
1955-03-01 D62611 14.81NAVD881OUSGSSA
1955-03-01 D7201932.11  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.