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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
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  • 404307073330502
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USGS 404307073330502 N 10773. 1

Nassau County, New York
Latitude  40°43'07", Longitude  73°33'05" NAD27
Land-surface elevation 81 feet above NAVD88
The depth of the well is 53 feet below land surface.
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
1987-03-1214:55 UTCm62610 50.44NGVD291OUSGSSA
1987-03-1214:55 UTCm62611 49.27NAVD881OUSGSSA
1987-03-1214:55 UTCm7201931.73  1OUSGSSA
1987-05-2212:45 UTCm62610 51.17NGVD291OUSGSSA
1987-05-2212:45 UTCm62611 50.00NAVD881OUSGSSA
1987-05-2212:45 UTCm7201931.00  1OUSGSSA
1987-07-2813:50 UTCm62610 49.87NGVD291OUSGSSA
1987-07-2813:50 UTCm62611 48.70NAVD881OUSGSSA
1987-07-2813:50 UTCm7201932.30  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.