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Groundwater levels for the Nation

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USGS 404306073332901 N 4448. 1

Nassau County, New York
Latitude  40°43'07", Longitude  73°33'28" NAD27
Land-surface elevation 79.0 feet above NGVD29
The depth of the well is 555 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 Magothy Aquifer (211MAGT) 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
1964-12-17 D62610 53.89NGVD29POUSGSSA
1964-12-17 D62611 52.72NAVD88POUSGSSA
1964-12-17 D7201925.11  POUSGSSA
1969-11-17 D62610 53.16NGVD291OUSGSSA
1969-11-17 D62611 51.99NAVD881OUSGSSA
1969-11-17 D7201925.84  1OUSGSSA
1971-03-23 D62610 52.44NGVD29POUSGSSA
1971-03-23 D62611 51.27NAVD88POUSGSSA
1971-03-23 D7201926.56  POUSGSSA
1972-03-13 D62610 48.27NGVD291OUSGSSA
1972-03-13 D62611 47.10NAVD881OUSGSSA
1972-03-13 D7201930.73  1OUSGSSA
1973-03-20 D62610 52.56NGVD291OUSGSSA
1973-03-20 D62611 51.39NAVD881OUSGSSA
1973-03-20 D7201926.44  1OUSGSSA
1976-03-18 D62610 54.11NGVD291OUSGSSA
1976-03-18 D62611 52.94NAVD881OUSGSSA
1976-03-18 D7201924.89  1OUSGSSA
1977-03-21 D62610 42.91NGVD291OUSGSSA
1977-03-21 D62611 41.74NAVD881OUSGSSA
1977-03-21 D7201936.09  1OUSGSSA
1978-03-15 D62610 44.21NGVD291OUSGSSA
1978-03-15 D62611 43.04NAVD881OUSGSSA
1978-03-15 D7201934.79  1OUSGSSA
1979-03-14 D62610 48.81NGVD291OUSGSSA
1979-03-14 D62611 47.64NAVD881OUSGSSA
1979-03-14 D7201930.19  1OUSGSSA
1980-03-12 D62610 48.78NGVD291OUSGSSA
1980-03-12 D62611 47.61NAVD881OUSGSSA
1980-03-12 D7201930.22  1OUSGSSA
1988-05-1118:40 UTCm62610 47.64NGVD291OUSGSSA
1988-05-1118:40 UTCm62611 46.47NAVD881OUSGSSA
1988-05-1118:40 UTCm7201931.36  1OUSGSSA
1989-02-1518:00 UTCm62610 41.80NGVD291OUSGSSA
1989-02-1518:00 UTCm62611 40.63NAVD881OUSGSSA
1989-02-1518:00 UTCm7201937.20  1OUSGSSA
1991-04-1016:15 UTCm62610 43.68NGVD29POUSGSSA
1991-04-1016:15 UTCm62611 42.51NAVD88POUSGSSA
1991-04-1016:15 UTCm7201935.32  POUSGSSA
1992-03-3115:39 UTCm62610 48.12NGVD291OUSGSSA
1992-03-3115:39 UTCm62611 46.95NAVD881OUSGSSA
1992-03-3115:39 UTCm7201930.88  1OUSGSSA
1994-04-1412:52 UTCm62610 42.71NGVD291OUSGSSA
1994-04-1412:52 UTCm62611 41.54NAVD881OUSGSSA
1994-04-1412:52 UTCm7201936.29  1OUSGSSA
1995-04-2615:30 UTCm62610 39.76NGVD291OUSGSSA
1995-04-2615:30 UTCm62611 38.59NAVD881OUSGSSA
1995-04-2615:30 UTCm7201939.24  1OUSGSSA
1997-04-3015:35 UTCm62610 49.27NGVD291OUSGSSA
1997-04-3015:35 UTCm62611 48.10NAVD881OUSGSSA
1997-04-3015:35 UTCm7201929.73  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
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.