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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 403859073331511
Minimum number of levels = 1
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USGS 403859073331511 N 10000. 1

Nassau County, New York
Latitude  40°38'59", Longitude  73°33'15" NAD27
Land-surface elevation 6.0 feet above NGVD29
The depth of the well is 41 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
1981-03-1215:04 UTCm62610 3.68NGVD291OUSGSSA
1981-03-1215:04 UTCm62611 2.52NAVD881OUSGSSA
1981-03-1215:04 UTCm720192.32  1OUSGSSA
1981-05-2816:45 UTCm62610 3.06NGVD291OUSGSSA
1981-05-2816:45 UTCm62611 1.90NAVD881OUSGSSA
1981-05-2816:45 UTCm720192.94  1OUSGSSA
1981-09-1017:48 UTCm62610 3.28NGVD291OUSGSSA
1981-09-1017:48 UTCm62611 2.12NAVD881OUSGSSA
1981-09-1017:48 UTCm720192.72  1OUSGSSA
1981-12-1619:00 UTCm62610 3.98NGVD291OUSGSSA
1981-12-1619:00 UTCm62611 2.82NAVD881OUSGSSA
1981-12-1619:00 UTCm720192.02  1OUSGSSA
1982-03-1017:44 UTCm62610 3.47NGVD291OUSGSSA
1982-03-1017:44 UTCm62611 2.31NAVD881OUSGSSA
1982-03-1017:44 UTCm720192.53  1OUSGSSA
1982-06-2819:14 UTCm62610 3.59NGVD291OUSGSSA
1982-06-2819:14 UTCm62611 2.43NAVD881OUSGSSA
1982-06-2819:14 UTCm720192.41  1OUSGSSA
1983-04-0516:14 UTCm62610 4.46NGVD291OUSGSSA
1983-04-0516:14 UTCm62611 3.30NAVD881OUSGSSA
1983-04-0516:14 UTCm720191.54  1OUSGSSA
1990-03-2612:54 UTCm62610 4.02NGVD294OUSGSSA
1990-03-2612:54 UTCm62611 2.86NAVD884OUSGSSA
1990-03-2612:54 UTCm720191.98  4OUSGSSA

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
Status4Groundwater level affected by tide
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.