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Groundwater levels for the Nation

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USGS 404354073330201 N 10153. 1

Nassau County, New York
Latitude  40°43'54", Longitude  73°33'02" NAD27
Land-surface elevation 94.0 feet above NGVD29
The depth of the well is 120 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
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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 64.55NGVD291OUSGSSA
1984-11-0915:40 UTCm62611 63.37NAVD881OUSGSSA
1984-11-0915:40 UTCm7201929.45  1OUSGSSA
1985-03-1415:15 UTCm62610 61.69NGVD291OUSGSSA
1985-03-1415:15 UTCm62611 60.51NAVD881OUSGSSA
1985-03-1415:15 UTCm7201932.31  1OUSGSSA
1985-07-1014:10 UTCm62610 60.88NGVD291OUSGSSA
1985-07-1014:10 UTCm62611 59.70NAVD881OUSGSSA
1985-07-1014:10 UTCm7201933.12  1OUSGSSA
1985-09-2518:53 UTCm62610 59.94NGVD291OUSGSSA
1985-09-2518:53 UTCm62611 58.76NAVD881OUSGSSA
1985-09-2518:53 UTCm7201934.06  1OUSGSSA
1986-05-0813:00 UTCm62610 59.40NGVD291OUSGSSA
1986-05-0813:00 UTCm62611 58.22NAVD881OUSGSSA
1986-05-0813:00 UTCm7201934.60  1OUSGSSA
1987-03-0618:45 UTCm62610 58.33NGVD291OUSGSSA
1987-03-0618:45 UTCm62611 57.15NAVD881OUSGSSA
1987-03-0618:45 UTCm7201935.67  1OUSGSSA
1987-05-1918:05 UTCm62610 59.26NGVD291OUSGSSA
1987-05-1918:05 UTCm62611 58.08NAVD881OUSGSSA
1987-05-1918:05 UTCm7201934.74  1OUSGSSA
1987-07-2916:05 UTCm62610 58.20NGVD291OUSGSSA
1987-07-2916:05 UTCm62611 57.02NAVD881OUSGSSA
1987-07-2916:05 UTCm7201935.80  1OUSGSSA
1990-04-2617:00 UTCm62610 60.09NGVD291OUSGSSA
1990-04-2617:00 UTCm62611 58.91NAVD881OUSGSSA
1990-04-2617:00 UTCm7201933.91  1OUSGSSA
1990-05-0313:10 UTCm62610 61.14NGVD291OUSGSSA
1990-05-0313:10 UTCm62611 59.96NAVD881OUSGSSA
1990-05-0313:10 UTCm7201932.86  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.