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Groundwater levels for the Nation

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USGS 404833073414601 N 3540. 1

Nassau County, New York
Latitude  40°48'23", Longitude  73°41'48" NAD27
Land-surface elevation 50.0 feet above NGVD29
The depth of the well is 207 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
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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
1956-01-16 D62610 20.22NGVD291OUSGSSA
1956-01-16 D62611 19.13NAVD881OUSGSSA
1956-01-16 D7201929.78  1OUSGSSA
1956-06-01 D62610 18.65NGVD291OUSGSSA
1956-06-01 D62611 17.56NAVD881OUSGSSA
1956-06-01 D7201931.35  1OUSGSSA
1956-07-11 D62610 17.95NGVD291OUSGSSA
1956-07-11 D62611 16.86NAVD881OUSGSSA
1956-07-11 D7201932.05  1OUSGSSA
1956-09-14 D62610 13.95NGVD291OUSGSSA
1956-09-14 D62611 12.86NAVD881OUSGSSA
1956-09-14 D7201936.05  1OUSGSSA
1956-10-15 D62610 17.00NGVD291OUSGSSA
1956-10-15 D62611 15.91NAVD881OUSGSSA
1956-10-15 D7201933.00  1OUSGSSA
1956-11-02 D62610 18.16NGVD291OUSGSSA
1956-11-02 D62611 17.07NAVD881OUSGSSA
1956-11-02 D7201931.84  1OUSGSSA
1957-02-05 D62610 19.05NGVD291OUSGSSA
1957-02-05 D62611 17.96NAVD881OUSGSSA
1957-02-05 D7201930.95  1OUSGSSA
1964-12-14 D62610 15.71NGVD291OUSGSSA
1964-12-14 D62611 14.62NAVD881OUSGSSA
1964-12-14 D7201934.29  1OUSGSSA
1970-03-01 D62610 14.31NGVD291OUSGSSA
1970-03-01 D62611 13.22NAVD881OUSGSSA
1970-03-01 D7201935.69  1OUSGSSA
1971-03-10 D62610 18.08NGVD291OUSGSSA
1971-03-10 D62611 16.99NAVD881OUSGSSA
1971-03-10 D7201931.92  1OUSGSSA
1972-03-13 D62610 11.37NGVD291OUSGSSA
1972-03-13 D62611 10.28NAVD881OUSGSSA
1972-03-13 D7201938.63  1OUSGSSA
1973-03-20 D62610 10.47NGVD291OUSGSSA
1973-03-20 D62611 9.38NAVD881OUSGSSA
1973-03-20 D7201939.53  1OUSGSSA
1974-03-25 D62610 12.37NGVD291OUSGSSA
1974-03-25 D62611 11.28NAVD881OUSGSSA
1974-03-25 D7201937.63  1OUSGSSA
1975-03-17 D62610 9.41NGVD291OUSGSSA
1975-03-17 D62611 8.32NAVD881OUSGSSA
1975-03-17 D7201940.59  1OUSGSSA
1976-03-16 D62610 17.67NGVD291OUSGSSA
1976-03-16 D62611 16.58NAVD881OUSGSSA
1976-03-16 D7201932.33  1OUSGSSA
1977-03-21 D62610 8.67NGVD291OUSGSSA
1977-03-21 D62611 7.58NAVD881OUSGSSA
1977-03-21 D7201941.33  1OUSGSSA
1978-03-13 D62610 15.23NGVD291OUSGSSA
1978-03-13 D62611 14.14NAVD881OUSGSSA
1978-03-13 D7201934.77  1OUSGSSA
1979-03-19 D62610 16.25NGVD291OUSGSSA
1979-03-19 D62611 15.16NAVD881OUSGSSA
1979-03-19 D7201933.75  1OUSGSSA
1980-03-06 D62610 13.82NGVD291OUSGSSA
1980-03-06 D62611 12.73NAVD881OUSGSSA
1980-03-06 D7201936.18  1OUSGSSA
1981-03-06 D62610 10.65NGVD291OUSGSSA
1981-03-06 D62611 9.56NAVD881OUSGSSA
1981-03-06 D7201939.35  1OUSGSSA
1982-03-0216:30 UTCm62610 9.01NGVD291OUSGSSA
1982-03-0216:30 UTCm62611 7.92NAVD881OUSGSSA
1982-03-0216:30 UTCm7201940.99  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
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.