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Groundwater levels for New York

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Agency code = usgs
site_no list =
  • 404202073315104
Minimum number of levels = 1
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USGS 404202073315104 N 1201. 2

Nassau County, New York
Latitude  40°42'02", Longitude  73°31'51" NAD27
Land-surface elevation 56.0 feet above NGVD29
The depth of the well is 29 feet below land surface.
The depth of the hole is 29 feet below land surface.
Output formats
Table of data
Tab-separated data
Graph of data
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
1959-07-22 D62610 40.15NGVD291OUSGSSA
1959-07-22 D62611 38.97NAVD881OUSGSSA
1959-07-22 D7201915.85  1OUSGSSA
1959-10-16 D62610 39.58NGVD291OUSGSSA
1959-10-16 D62611 38.40NAVD881OUSGSSA
1959-10-16 D7201916.42  1OUSGSSA
1960-05-25 D62610 40.52NGVD291OUSGSSA
1960-05-25 D62611 39.34NAVD881OUSGSSA
1960-05-25 D7201915.48  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.