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Groundwater levels for the Nation

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  • 405144073432901
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USGS 405144073432901 N 8929. 1

Nassau County, New York
Latitude  40°51'44", Longitude  73°43'29" NAD27
Land-surface elevation 51.0 feet above NGVD29
The depth of the well is 105 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
1973-01-11 D62610 -1.20NGVD291OUSGSSA
1973-01-11 D62611 -2.29NAVD881OUSGSSA
1973-01-11 D7201952.20  1OUSGSSA
1973-03-20 D62610 5.72NGVD291OUSGSSA
1973-03-20 D62611 4.63NAVD881OUSGSSA
1973-03-20 D7201945.28  1OUSGSSA
1973-06-13 D62610 6.66NGVD291OUSGSSA
1973-06-13 D62611 5.57NAVD881OUSGSSA
1973-06-13 D7201944.34  1OUSGSSA
1973-09-19 D62610 7.04NGVD291OUSGSSA
1973-09-19 D62611 5.95NAVD881OUSGSSA
1973-09-19 D7201943.96  1OUSGSSA
1973-12-03 D62610 5.25NGVD291OUSGSSA
1973-12-03 D62611 4.16NAVD881OUSGSSA
1973-12-03 D7201945.75  1OUSGSSA
1974-03-18 D62610 5.06NGVD291OUSGSSA
1974-03-18 D62611 3.97NAVD881OUSGSSA
1974-03-18 D7201945.94  1OUSGSSA
1974-06-05 D62610 5.24NGVD291OUSGSSA
1974-06-05 D62611 4.15NAVD881OUSGSSA
1974-06-05 D7201945.76  1OUSGSSA
1974-09-18 D62610 4.90NGVD291OUSGSSA
1974-09-18 D62611 3.81NAVD881OUSGSSA
1974-09-18 D7201946.10  1OUSGSSA
1974-12-26 D62610 4.51NGVD291OUSGSSA
1974-12-26 D62611 3.42NAVD881OUSGSSA
1974-12-26 D7201946.49  1OUSGSSA
1975-03-21 D62610 4.80NGVD291OUSGSSA
1975-03-21 D62611 3.71NAVD881OUSGSSA
1975-03-21 D7201946.20  1OUSGSSA
1975-06-09 D62610 5.24NGVD291OUSGSSA
1975-06-09 D62611 4.15NAVD881OUSGSSA
1975-06-09 D7201945.76  1OUSGSSA
1975-09-09 D62610 5.06NGVD291OUSGSSA
1975-09-09 D62611 3.97NAVD881OUSGSSA
1975-09-09 D7201945.94  1OUSGSSA
1975-12-17 D62610 5.47NGVD291OUSGSSA
1975-12-17 D62611 4.38NAVD881OUSGSSA
1975-12-17 D7201945.53  1OUSGSSA
1976-03-16 D62610 5.93NGVD291OUSGSSA
1976-03-16 D62611 4.84NAVD881OUSGSSA
1976-03-16 D7201945.07  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.