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Groundwater levels for the Nation

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Agency code = usgs
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  • 404007073270501
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USGS 404007073270501 N 9436. 1

Nassau County, New York
Latitude  40°40'07", Longitude  73°27'05" NAD27
Land-surface elevation 12.0 feet above NGVD29
The depth of the well is 7 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
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
1978-10-23 D62610 6.55NGVD291OUSGSSA
1978-10-23 D62611 5.35NAVD881OUSGSSA
1978-10-23 D720195.45  1OUSGSSA
1978-11-20 D62610 6.36NGVD291OUSGSSA
1978-11-20 D62611 5.16NAVD881OUSGSSA
1978-11-20 D720195.64  1OUSGSSA
1978-12-27 D62610 7.21NGVD291OUSGSSA
1978-12-27 D62611 6.01NAVD881OUSGSSA
1978-12-27 D720194.79  1OUSGSSA
1979-03-0516:20 UTCm62610 8.05NGVD291OUSGSSA
1979-03-0516:20 UTCm62611 6.85NAVD881OUSGSSA
1979-03-0516:20 UTCm720193.95  1OUSGSSA
1979-03-20 D62610 8.03NGVD291OUSGSSA
1979-03-20 D62611 6.83NAVD881OUSGSSA
1979-03-20 D720193.97  1OUSGSSA
1979-04-18 D62610 7.29NGVD291OUSGSSA
1979-04-18 D62611 6.09NAVD881OUSGSSA
1979-04-18 D720194.71  1OUSGSSA
1979-05-22 D62610 6.70NGVD291OUSGSSA
1979-05-22 D62611 5.50NAVD881OUSGSSA
1979-05-22 D720195.30  1OUSGSSA
1979-09-29 D62610 7.87NGVD291OUSGSSA
1979-09-29 D62611 6.67NAVD881OUSGSSA
1979-09-29 D720194.13  1OUSGSSA
1983-09-1918:25 UTCm62610 6.30NGVD291OUSGSSA
1983-09-1918:25 UTCm62611 5.10NAVD881OUSGSSA
1983-09-1918:25 UTCm720195.70  1OUSGSSA
1983-10-2219:50 UTCm62610 6.66NGVD291OUSGSSA
1983-10-2219:50 UTCm62611 5.46NAVD881OUSGSSA
1983-10-2219:50 UTCm720195.34  1OUSGSSA
1984-10-1518:30 UTCm62610 6.60NGVD291OUSGSSA
1984-10-1518:30 UTCm62611 5.40NAVD881OUSGSSA
1984-10-1518:30 UTCm720195.40  1OUSGSSA
1985-05-1421:29 UTCm62610 6.79NGVD291OUSGSSA
1985-05-1421:29 UTCm62611 5.59NAVD881OUSGSSA
1985-05-1421:29 UTCm720195.21  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.