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Groundwater levels for the Nation

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USGS 405122073360602 N 11824. 1

Nassau County, New York
Latitude  40°51'22", Longitude  73°36'06" NAD27
Land-surface elevation 131 feet above NGVD29
The depth of the well is 256 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
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
1993-03-08 D62610 57.69NGVD291OUSGSSA
1993-03-08 D62611 56.62NAVD881OUSGSSA
1993-03-08 D7201973.31  1OUSGSSA
1993-09-07 D62610 56.86NGVD291OUSGSSA
1993-09-07 D62611 55.79NAVD881OUSGSSA
1993-09-07 D7201974.14  1OUSGSSA
1993-12-09 D62610 57.39NGVD291OUSGSSA
1993-12-09 D62611 56.32NAVD881OUSGSSA
1993-12-09 D7201973.61  1OUSGSSA
1994-04-15 D62610 56.07NGVD291OUSGSSA
1994-04-15 D62611 55.00NAVD881OUSGSSA
1994-04-15 D7201974.93  1OUSGSSA
1994-09-21 D62610 55.71NGVD291OUSGSSA
1994-09-21 D62611 54.64NAVD881OUSGSSA
1994-09-21 D7201975.29  1OUSGSSA
1995-03-15 D62610 45.31NGVD291OUSGSSA
1995-03-15 D62611 44.24NAVD881OUSGSSA
1995-03-15 D7201985.69  1OUSGSSA
1995-12-0715:41 UTCm62610 54.29NGVD291OUSGSSA
1995-12-0715:41 UTCm62611 53.22NAVD881OUSGSSA
1995-12-0715:41 UTCm7201976.71  1OUSGSSA
1996-03-2015:58 UTCm62610 51.85NGVD291OUSGSSA
1996-03-2015:58 UTCm62611 50.78NAVD881OUSGSSA
1996-03-2015:58 UTCm7201979.15  1OUSGSSA
1996-05-1713:25 UTCm62610 54.12NGVD291OUSGSSA
1996-05-1713:25 UTCm62611 53.05NAVD881OUSGSSA
1996-05-1713:25 UTCm7201976.88  1OUSGSSA
1996-09-11 D62610 52.70NGVD291OUSGSSA
1996-09-11 D62611 51.63NAVD881OUSGSSA
1996-09-11 D7201978.30  1OUSGSSA
1996-12-1220:40 UTCm62610 53.67NGVD291OUSGSSA
1996-12-1220:40 UTCm62611 52.60NAVD881OUSGSSA
1996-12-1220:40 UTCm7201977.33  1OUSGSSA
1997-03-1116:50 UTCm62610 54.89NGVD291OUSGSSA
1997-03-1116:50 UTCm62611 53.82NAVD881OUSGSSA
1997-03-1116:50 UTCm7201976.11  1OUSGSSA
1997-05-2215:35 UTCm62610 55.86NGVD291OUSGSSA
1997-05-2215:35 UTCm62611 54.79NAVD881OUSGSSA
1997-05-2215:35 UTCm7201975.14  1OUSGSSA
1997-07-2215:45 UTCm62610 55.49NGVD291OUSGSSA
1997-07-2215:45 UTCm62611 54.42NAVD881OUSGSSA
1997-07-2215:45 UTCm7201975.51  1OUSGSSA
1997-08-2117:45 UTCm62610 55.45NGVD291OUSGSSA
1997-08-2117:45 UTCm62611 54.38NAVD881OUSGSSA
1997-08-2117:45 UTCm7201975.55  1OUSGSSA
1997-09-1715:16 UTCm62610 55.01NGVD291OUSGSSA
1997-09-1715:16 UTCm62611 53.94NAVD881OUSGSSA
1997-09-1715:16 UTCm7201975.99  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.