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Groundwater levels for the Nation

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USGS 404343073284301 N 8004. 1

Nassau County, New York
Latitude  40°43'44", Longitude  73°28'40" NAD27
Land-surface elevation 87.0 feet above NGVD29
The depth of the well is 745 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
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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
1971-03-09 D62610 51.51NGVD291OUSGSSA
1971-03-09 D62611 50.30NAVD881OUSGSSA
1971-03-09 D7201935.49  1OUSGSSA
1974-03-25 D62610 54.33NGVD291OUSGSSA
1974-03-25 D62611 53.12NAVD881OUSGSSA
1974-03-25 D7201932.67  1OUSGSSA
1975-03-17 D62610 54.00NGVD291OUSGSSA
1975-03-17 D62611 52.79NAVD881OUSGSSA
1975-03-17 D7201933.00  1OUSGSSA
1976-03-16 D62610 56.82NGVD291OUSGSSA
1976-03-16 D62611 55.61NAVD881OUSGSSA
1976-03-16 D7201930.18  1OUSGSSA
1977-03-21 D62610 53.19NGVD291OUSGSSA
1977-03-21 D62611 51.98NAVD881OUSGSSA
1977-03-21 D7201933.81  1OUSGSSA
1978-03-13 D62610 57.86NGVD291OUSGSSA
1978-03-13 D62611 56.65NAVD881OUSGSSA
1978-03-13 D7201929.14  1OUSGSSA
1979-03-16 D62610 57.88NGVD291OUSGSSA
1979-03-16 D62611 56.67NAVD881OUSGSSA
1979-03-16 D7201929.12  1OUSGSSA
1980-03-04 D62610 55.68NGVD291OUSGSSA
1980-03-04 D62611 54.47NAVD881OUSGSSA
1980-03-04 D7201931.32  1OUSGSSA
1981-03-03 D62610 53.97NGVD291OUSGSSA
1981-03-03 D62611 52.76NAVD881OUSGSSA
1981-03-03 D7201933.03  1OUSGSSA
1982-03-0118:35 UTCm62610 52.98NGVD291OUSGSSA
1982-03-0118:35 UTCm62611 51.77NAVD881OUSGSSA
1982-03-0118:35 UTCm7201934.02  1OUSGSSA
1983-03-0214:30 UTCm62610 49.88NGVD291OUSGSSA
1983-03-0214:30 UTCm62611 48.67NAVD881OUSGSSA
1983-03-0214:30 UTCm7201937.12  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.