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Groundwater levels for New York

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USGS 404105073355401 N 9408. 1

Nassau County, New York
Latitude  40°41'05", Longitude  73°35'54" NAD27
Land-surface elevation 39.0 feet above NGVD29
The depth of the well is 15 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 Glacial Aquifer, Upper (112GLCLU) local aquifer.
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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
1978-10-25 D62610 28.13NGVD291OUSGSSA
1978-10-25 D62611 26.98NAVD881OUSGSSA
1978-10-25 D7201910.87  1OUSGSSA
1978-11-21 D62610 27.64NGVD291OUSGSSA
1978-11-21 D62611 26.49NAVD881OUSGSSA
1978-11-21 D7201911.36  1OUSGSSA
1978-12-28 D62610 28.77NGVD291OUSGSSA
1978-12-28 D62611 27.62NAVD881OUSGSSA
1978-12-28 D7201910.23  1OUSGSSA
1979-03-21 D62610 30.67NGVD291OUSGSSA
1979-03-21 D62611 29.52NAVD881OUSGSSA
1979-03-21 D720198.33  1OUSGSSA
1979-04-19 D62610 30.45NGVD291OUSGSSA
1979-04-19 D62611 29.30NAVD881OUSGSSA
1979-04-19 D720198.55  1OUSGSSA
1979-05-23 D62610 30.29NGVD291OUSGSSA
1979-05-23 D62611 29.14NAVD881OUSGSSA
1979-05-23 D720198.71  1OUSGSSA
1984-08-3012:36 UTCm62610 29.88NGVD291SUSGSSA
1984-08-3012:36 UTCm62611 28.73NAVD881SUSGSSA
1984-08-3012:36 UTCm720199.12  1SUSGSSA
1988-03-25 D62610 25.33NGVD291OUSGSSA
1988-03-25 D62611 24.18NAVD881OUSGSSA
1988-03-25 D7201913.67  1OUSGSSA
1988-06-0918:35 UTCm62610 25.80NGVD291OUSGSSA
1988-06-0918:35 UTCm62611 24.65NAVD881OUSGSSA
1988-06-0918:35 UTCm7201913.20  1OUSGSSA
1988-07-0516:07 UTCm62610 25.30NGVD291OUSGSSA
1988-07-0516:07 UTCm62611 24.15NAVD881OUSGSSA
1988-07-0516:07 UTCm7201913.70  1OUSGSSA
1988-08-1116:00 UTCm62610 24.92NGVD291OUSGSSA
1988-08-1116:00 UTCm62611 23.77NAVD881OUSGSSA
1988-08-1116:00 UTCm7201914.08  1OUSGSSA
1990-05-08 D62610 29.67NGVD291OUSGSSA
1990-05-08 D62611 28.52NAVD881OUSGSSA
1990-05-08 D720199.33  1OUSGSSA
1990-06-19 D62610 29.97NGVD291OUSGSSA
1990-06-19 D62611 28.82NAVD881OUSGSSA
1990-06-19 D720199.03  1OUSGSSA
1990-08-16 D62610 29.01NGVD291OUSGSSA
1990-08-16 D62611 27.86NAVD881OUSGSSA
1990-08-16 D720199.99  1OUSGSSA
1990-10-30 D62610 29.36NGVD291OUSGSSA
1990-10-30 D62611 28.21NAVD881OUSGSSA
1990-10-30 D720199.64  1OUSGSSA
1991-06-2416:20 UTCm62610 28.86NGVD291OUSGSSA
1991-06-2416:20 UTCm62611 27.71NAVD881OUSGSSA
1991-06-2416:20 UTCm7201910.14  1OUSGSSA
1991-10-2119:25 UTCm62610 26.94NGVD291OUSGSSA
1991-10-2119:25 UTCm62611 25.79NAVD881OUSGSSA
1991-10-2119:25 UTCm7201912.06  1OUSGSSA
1992-03-1620:00 UTCm62610 26.28NGVD291OUSGSSA
1992-03-1620:00 UTCm62611 25.13NAVD881OUSGSSA
1992-03-1620:00 UTCm7201912.72  1OUSGSSA
1993-03-2616:35 UTCm62610 29.38NGVD291OUSGSSA
1993-03-2616:35 UTCm62611 28.23NAVD881OUSGSSA
1993-03-2616:35 UTCm720199.62  1OUSGSSA
1994-03-3019:30 UTCm62610 28.42NGVD291OUSGSSA
1994-03-3019:30 UTCm62611 27.27NAVD881OUSGSSA
1994-03-3019:30 UTCm7201910.58  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.
Method of measurementSSteel-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.