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Groundwater levels for the Nation

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USGS 404956073420801 N 675. 1

Nassau County, New York
Latitude  40°49'56", Longitude  73°42'08" NAD27
Land-surface elevation 10.0 feet above NGVD29
The depth of the well is 290 feet below land surface.
The depth of the hole is 290 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 North Shore Aquifer (112NTSR) 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
1946-01-14 D62610 -9.60NGVD291OUSGSSA
1946-01-14 D62611 -10.69NAVD881OUSGSSA
1946-01-14 D7201919.60  1OUSGSSA
1947-03-28 D62610 5.40NGVD291OUSGSSA
1947-03-28 D62611 4.31NAVD881OUSGSSA
1947-03-28 D720194.60  1OUSGSSA
1948-03-28 D62610 1.90NGVD291OUSGSSA
1948-03-28 D62611 0.81NAVD881OUSGSSA
1948-03-28 D720198.10  1OUSGSSA
1950-02-15 D62610 4.20NGVD291OUSGSSA
1950-02-15 D62611 3.11NAVD881OUSGSSA
1950-02-15 D720195.80  1OUSGSSA
1952-04-08 D62610 -8.04NGVD291OUSGSSA
1952-04-08 D62611 -9.13NAVD881OUSGSSA
1952-04-08 D7201918.04  1OUSGSSA
1956-04-17 D62610 1.06NGVD291OUSGSSA
1956-04-17 D62611 -0.03NAVD881OUSGSSA
1956-04-17 D720198.94  1OUSGSSA
1956-07-11 D62610 -1.38NGVD29POUSGSSA
1956-07-11 D62611 -2.47NAVD88POUSGSSA
1956-07-11 D7201911.38  POUSGSSA
1956-09-14 D62610 1.64NGVD291OUSGSSA
1956-09-14 D62611 0.55NAVD881OUSGSSA
1956-09-14 D720198.36  1OUSGSSA
1956-10-03 D62610 -0.24NGVD291OUSGSSA
1956-10-03 D62611 -1.33NAVD881OUSGSSA
1956-10-03 D7201910.24  1OUSGSSA
1956-10-09 D62610 3.09NGVD291OUSGSSA
1956-10-09 D62611 2.00NAVD881OUSGSSA
1956-10-09 D720196.91  1OUSGSSA
1956-10-15 D62610 -0.08NGVD291OUSGSSA
1956-10-15 D62611 -1.17NAVD881OUSGSSA
1956-10-15 D7201910.08  1OUSGSSA
1956-11-02 D62610 6.87NGVD291OUSGSSA
1956-11-02 D62611 5.78NAVD881OUSGSSA
1956-11-02 D720193.13  1OUSGSSA
1956-11-27 D62610 6.72NGVD291OUSGSSA
1956-11-27 D62611 5.63NAVD881OUSGSSA
1956-11-27 D720193.28  1OUSGSSA
1956-12-28 D62610 2.55NGVD291OUSGSSA
1956-12-28 D62611 1.46NAVD881OUSGSSA
1956-12-28 D720197.45  1OUSGSSA
1957-02-05 D62610 3.45NGVD291OUSGSSA
1957-02-05 D62611 2.36NAVD881OUSGSSA
1957-02-05 D720196.55  1OUSGSSA
1957-04-26 D62610 1.86NGVD291OUSGSSA
1957-04-26 D62611 0.77NAVD881OUSGSSA
1957-04-26 D720198.14  1OUSGSSA
1957-07-05 D62610 -5.74NGVD291OUSGSSA
1957-07-05 D62611 -6.83NAVD881OUSGSSA
1957-07-05 D7201915.74  1OUSGSSA
1957-07-18 D62610 -3.80NGVD291OUSGSSA
1957-07-18 D62611 -4.89NAVD881OUSGSSA
1957-07-18 D7201913.80  1OUSGSSA
1958-01-30 D62610 7.02NGVD291OUSGSSA
1958-01-30 D62611 5.93NAVD881OUSGSSA
1958-01-30 D720192.98  1OUSGSSA
1961-03-13 D62610 6.95NGVD291OUSGSSA
1961-03-13 D62611 5.86NAVD881OUSGSSA
1961-03-13 D720193.05  1OUSGSSA
1964-03-12 D62610 3.54NGVD291OUSGSSA
1964-03-12 D62611 2.45NAVD881OUSGSSA
1964-03-12 D720196.46  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
StatusPPumping
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.