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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 404334073330402
Minimum number of levels = 1
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USGS 404334073330402 N 10523. 1

Nassau County, New York
Latitude  40°43'34", Longitude  73°33'04" NAD27
Land-surface elevation 91.0 feet above NGVD29
The depth of the well is 74 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
1986-05-08 D62610 55.79NGVD291OUSGSSA
1986-05-08 D62611 54.61NAVD881OUSGSSA
1986-05-08 D7201935.21  1OUSGSSA
1987-03-0515:50 UTCm62610 54.84NGVD291OUSGSSA
1987-03-0515:50 UTCm62611 53.66NAVD881OUSGSSA
1987-03-0515:50 UTCm7201936.16  1OUSGSSA
1987-07-2913:10 UTCm62610 54.59NGVD291OUSGSSA
1987-07-2913:10 UTCm62611 53.41NAVD881OUSGSSA
1987-07-2913:10 UTCm7201936.41  1OUSGSSA

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