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Groundwater levels for the Nation

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USGS 404633073401801 N 12163. 1

Nassau County, New York
Latitude  40°46'33", Longitude  73°40'18" NAD27
Land-surface elevation 168 feet above NGVD29
The depth of the well is 235 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
1993-06-2216:37 UTCm62610 40.21NGVD291OUSGSSA
1993-06-2216:37 UTCm62611 39.11NAVD881OUSGSSA
1993-06-2216:37 UTCm72019127.79  1OUSGSSA
1993-12-2819:14 UTCm62610 40.09NGVD291OUSGSSA
1993-12-2819:14 UTCm62611 38.99NAVD881OUSGSSA
1993-12-2819:14 UTCm72019127.91  1OUSGSSA
1994-03-3115:19 UTCm62610 38.85NGVD291SUSGSSA
1994-03-3115:19 UTCm62611 37.75NAVD881SUSGSSA
1994-03-3115:19 UTCm72019129.15  1SUSGSSA
1994-06-0719:10 UTCm62610 41.15NGVD291OUSGSSA
1994-06-0719:10 UTCm62611 40.05NAVD881OUSGSSA
1994-06-0719:10 UTCm72019126.85  1OUSGSSA
1994-12-1415:35 UTCm62610 42.08NGVD291OUSGSSA
1994-12-1415:35 UTCm62611 40.98NAVD881OUSGSSA
1994-12-1415:35 UTCm72019125.92  1OUSGSSA
1995-03-1319:30 UTCm62610 40.31NGVD291SUSGSSA
1995-03-1319:30 UTCm62611 39.21NAVD881SUSGSSA
1995-03-1319:30 UTCm72019127.69  1SUSGSSA
1995-06-1314:18 UTCm62610 40.34NGVD291OUSGSSA
1995-06-1314:18 UTCm62611 39.24NAVD881OUSGSSA
1995-06-1314:18 UTCm72019127.66  1OUSGSSA
1995-08-2314:01 UTCm62610 37.20NGVD291OUSGSSA
1995-08-2314:01 UTCm62611 36.10NAVD881OUSGSSA
1995-08-2314:01 UTCm72019130.80  1OUSGSSA
1995-12-0514:30 UTCm62610 37.28NGVD291OUSGSSA
1995-12-0514:30 UTCm62611 36.18NAVD881OUSGSSA
1995-12-0514:30 UTCm72019130.72  1OUSGSSA
1996-03-1914:32 UTCm62610 38.57NGVD291OUSGSSA
1996-03-1914:32 UTCm62611 37.47NAVD881OUSGSSA
1996-03-1914:32 UTCm72019129.43  1OUSGSSA
1996-05-1513:37 UTCm62610 38.88NGVD291OUSGSSA
1996-05-1513:37 UTCm62611 37.78NAVD881OUSGSSA
1996-05-1513:37 UTCm72019129.12  1OUSGSSA
1996-09-1112:58 UTCm62610 38.48NGVD291OUSGSSA
1996-09-1112:58 UTCm62611 37.38NAVD881OUSGSSA
1996-09-1112:58 UTCm72019129.52  1OUSGSSA
1996-12-1215:23 UTCm62610 38.78NGVD291OUSGSSA
1996-12-1215:23 UTCm62611 37.68NAVD881OUSGSSA
1996-12-1215:23 UTCm72019129.22  1OUSGSSA
1997-03-1215:50 UTCm62610 38.53NGVD291OUSGSSA
1997-03-1215:50 UTCm62611 37.43NAVD881OUSGSSA
1997-03-1215:50 UTCm72019129.47  1OUSGSSA
1998-03-2320:15 UTCm62610 40.78NGVD291SUSGSSA
1998-03-2320:15 UTCm62611 39.68NAVD881SUSGSSA
1998-03-2320:15 UTCm72019127.22  1SUSGSSA

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
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.