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Groundwater levels for the Nation

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Agency code = usgs
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  • 404335073330101
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USGS 404335073330101 N 10359. 1

Nassau County, New York
Latitude  40°43'35", Longitude  73°33'01" NAD27
Land-surface elevation 90.0 feet above NGVD29
The depth of the well is 85 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
1985-07-1514:10 UTCm62610 57.41NGVD291OUSGSSA
1985-07-1514:10 UTCm62611 56.23NAVD881OUSGSSA
1985-07-1514:10 UTCm7201932.59  1OUSGSSA
1986-05-0815:43 UTCm62610 56.15NGVD291OUSGSSA
1986-05-0815:43 UTCm62611 54.97NAVD881OUSGSSA
1986-05-0815:43 UTCm7201933.85  1OUSGSSA
1987-03-0620:45 UTCm62610 55.21NGVD291OUSGSSA
1987-03-0620:45 UTCm62611 54.03NAVD881OUSGSSA
1987-03-0620:45 UTCm7201934.79  1OUSGSSA
1987-03-0915:45 UTCm62610 55.28NGVD291OUSGSSA
1987-03-0915:45 UTCm62611 54.10NAVD881OUSGSSA
1987-03-0915:45 UTCm7201934.72  1OUSGSSA
1987-07-2913:20 UTCm62610 54.98NGVD291OUSGSSA
1987-07-2913:20 UTCm62611 53.80NAVD881OUSGSSA
1987-07-2913:20 UTCm7201935.02  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.