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Groundwater levels for the Nation

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Agency code = usgs
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  • 403533073345701
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USGS 403533073345701 N 10129. 1

Nassau County, New York
Latitude  40°35'33", Longitude  73°34'57" NAD27
Land-surface elevation 8.0 feet above NGVD29
The depth of the well is 9 feet below land surface.
The depth of the hole is 9 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
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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
1990-06-2917:55 UTCm62610 4.50NGVD294OUSGSSA
1990-06-2917:55 UTCm62611 3.35NAVD884OUSGSSA
1990-06-2917:55 UTCm720193.50  4OUSGSSA

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
Status4GWTideAffected
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.