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Groundwater levels for the Nation

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USGS 404354073330203 N 10151. 1

Nassau County, New York
Latitude  40°43'54", Longitude  73°33'02" NAD27
Land-surface elevation 94 feet above NAVD88
The depth of the well is 40 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
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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
1984-11-0915:40 UTCm62610 64.33NGVD291OUSGSSA
1984-11-0915:40 UTCm62611 63.15NAVD881OUSGSSA
1984-11-0915:40 UTCm7201930.85  1OUSGSSA
1985-07-1018:30 UTCm62610 60.81NGVD291OUSGSSA
1985-07-1018:30 UTCm62611 59.63NAVD881OUSGSSA
1985-07-1018:30 UTCm7201934.37  1OUSGSSA
1986-05-0813:00 UTCm62610 59.47NGVD291OUSGSSA
1986-05-0813:00 UTCm62611 58.29NAVD881OUSGSSA
1986-05-0813:00 UTCm7201935.71  1OUSGSSA
1987-03-0914:15 UTCm62610 58.26NGVD291OUSGSSA
1987-03-0914:15 UTCm62611 57.08NAVD881OUSGSSA
1987-03-0914:15 UTCm7201936.92  1OUSGSSA
1987-05-1918:00 UTCm62610 59.15NGVD291OUSGSSA
1987-05-1918:00 UTCm62611 57.97NAVD881OUSGSSA
1987-05-1918:00 UTCm7201936.03  1OUSGSSA
1987-05-2814:00 UTCm62610 59.07NGVD291OUSGSSA
1987-05-2814:00 UTCm62611 57.89NAVD881OUSGSSA
1987-05-2814:00 UTCm7201936.11  1OUSGSSA
1987-07-2916:05 UTCm62610 58.08NGVD291OUSGSSA
1987-07-2916:05 UTCm62611 56.90NAVD881OUSGSSA
1987-07-2916:05 UTCm7201937.10  1OUSGSSA

Explanation
SectionCodeDescription
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.