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Groundwater levels for the Nation

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USGS 404928072462101 S 77638. 1

Suffolk County, New York
Latitude  40°49'28", Longitude  72°46'21" NAD27
Land-surface elevation 63.3 feet above NGVD29
The depth of the well is 238 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 Magothy Aquifer (211MAGT) local aquifer.
Output formats
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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
1987-03-2716:55 UTCm62610 19.58NGVD291OUSGSSA
1987-03-2716:55 UTCm62611 18.58NAVD881OUSGSSA
1987-03-2716:55 UTCm7201943.72  1OUSGSSA
1987-07-17 D62610 19.92NGVD291OUSGSSA
1987-07-17 D62611 18.92NAVD881OUSGSSA
1987-07-17 D7201943.38  1OUSGSSA
1996-03-1816:15 UTCm62610 18.66NGVD291OUSGSSA
1996-03-1816:15 UTCm62611 17.66NAVD881OUSGSSA
1996-03-1816:15 UTCm7201944.64  1OUSGSSA
1996-08-2916:00 UTCm62610 19.79NGVD291OUSGSSA
1996-08-2916:00 UTCm62611 18.79NAVD881OUSGSSA
1996-08-2916:00 UTCm7201943.51  1OUSGSSA
1997-03-1817:55 UTCm62610 21.29NGVD291OUSGSSA
1997-03-1817:55 UTCm62611 20.29NAVD881OUSGSSA
1997-03-1817:55 UTCm7201942.01  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.