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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 403515073431001
Minimum number of levels = 1
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USGS 403515073431001 N 4405. 1

Nassau County, New York
Latitude  40°35'15", Longitude  73°43'05" NAD27
Land-surface elevation 9.0 feet above NGVD29
The depth of the well is 1,080 feet below land surface.
The depth of the hole is 1,117 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 Lloyd Aquifer (211LLYD) local aquifer.
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
1970-12-14 D62610 -1.23NGVD291OUSGSSA
1970-12-14 D62611 -2.33NAVD881OUSGSSA
1970-12-14 D7201910.23  1OUSGSSA
1971-01-07 D62610 0.08NGVD29 OUSGSSA
1971-01-07 D62611 -1.02NAVD88 OUSGSSA
1971-01-07 D720198.92   OUSGSSA
1971-10-04 D62610 -0.60NGVD291OUSGSSA
1971-10-04 D62611 -1.70NAVD881OUSGSSA
1971-10-04 D720199.60  1OUSGSSA
1971-12-22 D62610 1.00NGVD291OUSGSSA
1971-12-22 D62611 -0.10NAVD881OUSGSSA
1971-12-22 D720198.00  1OUSGSSA
1972-01-03 D62610 0.35NGVD291OUSGSSA
1972-01-03 D62611 -0.75NAVD881OUSGSSA
1972-01-03 D720198.65  1OUSGSSA
1972-01-07 D62610 0.72NGVD291OUSGSSA
1972-01-07 D62611 -0.38NAVD881OUSGSSA
1972-01-07 D720198.28  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
StatusThe reported water-level measurement represents a static level
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.