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Groundwater levels for the Nation

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USGS 405003073450501 N 12050. 1

Nassau County, New York
Latitude  40°50'03", Longitude  73°45'05" NAD27
Land-surface elevation 48 feet above NGVD29
The depth of the well is 295 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 Port Washington Aquifer (112PGQF) local aquifer.
Output formats
Table of 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
1992-02-2016:40 UTCm62610 2.12NGVD294OUSGSSA
1992-02-2016:40 UTCm62611 1.04NAVD884OUSGSSA
1992-02-2016:40 UTCm7201945.88  4OUSGSSA
1992-03-1613:11 UTCm62610 1.69NGVD294OUSGSSA
1992-03-1613:11 UTCm62611 0.61NAVD884OUSGSSA
1992-03-1613:11 UTCm7201946.31  4OUSGSSA
1992-05-1917:30 UTCm62610 1.68NGVD294OUSGSSA
1992-05-1917:30 UTCm62611 0.60NAVD884OUSGSSA
1992-05-1917:30 UTCm7201946.32  4OUSGSSA
1992-08-2513:59 UTCm62610 1.68NGVD294OUSGSSA
1992-08-2513:59 UTCm62611 0.60NAVD884OUSGSSA
1992-08-2513:59 UTCm7201946.32  4OUSGSSA
1992-12-0814:31 UTCm62610 1.68NGVD294OUSGSSA
1992-12-0814:31 UTCm62611 0.60NAVD884OUSGSSA
1992-12-0814:31 UTCm7201946.32  4OUSGSSA
1993-03-2517:05 UTCm62610 1.76NGVD294OUSGSSA
1993-03-2517:05 UTCm62611 0.68NAVD884OUSGSSA
1993-03-2517:05 UTCm7201946.24  4OUSGSSA
1993-05-0211:32 UTCm62610 1.93NGVD294OUSGSSA
1993-05-0211:32 UTCm62611 0.85NAVD884OUSGSSA
1993-05-0211:32 UTCm7201946.07  4OUSGSSA
1993-06-1814:56 UTCm62610 1.53NGVD294OUSGSSA
1993-06-1814:56 UTCm62611 0.45NAVD884OUSGSSA
1993-06-1814:56 UTCm7201946.47  4OUSGSSA
1993-09-3016:13 UTCm62610 2.46NGVD294OUSGSSA
1993-09-3016:13 UTCm62611 1.38NAVD884OUSGSSA
1993-09-3016:13 UTCm7201945.54  4OUSGSSA
1993-12-2815:15 UTCm62610 1.50NGVD294OUSGSSA
1993-12-2815:15 UTCm62611 0.42NAVD884OUSGSSA
1993-12-2815:15 UTCm7201946.50  4OUSGSSA
1994-03-3019:29 UTCm62610 2.01NGVD294OUSGSSA
1994-03-3019:29 UTCm62611 0.93NAVD884OUSGSSA
1994-03-3019:29 UTCm7201945.99  4OUSGSSA
1994-06-0816:53 UTCm62610 1.72NGVD291OUSGSSA
1994-06-0816:53 UTCm62611 0.64NAVD881OUSGSSA
1994-06-0816:53 UTCm7201946.28  1OUSGSSA
1994-09-2017:47 UTCm62610 1.96NGVD294OUSGSSA
1994-09-2017:47 UTCm62611 0.88NAVD884OUSGSSA
1994-09-2017:47 UTCm7201946.04  4OUSGSSA
1994-12-1615:18 UTCm62610 2.37NGVD294OUSGSSA
1994-12-1615:18 UTCm62611 1.29NAVD884OUSGSSA
1994-12-1615:18 UTCm7201945.63  4OUSGSSA
1995-03-1515:37 UTCm62610 1.99NGVD294OUSGSSA
1995-03-1515:37 UTCm62611 0.91NAVD884OUSGSSA
1995-03-1515:37 UTCm7201946.01  4OUSGSSA
1995-06-1418:30 UTCm62610 2.33NGVD294OUSGSSA
1995-06-1418:30 UTCm62611 1.25NAVD884OUSGSSA
1995-06-1418:30 UTCm7201945.67  4OUSGSSA
1995-08-2415:30 UTCm62610 1.52NGVD294OUSGSSA
1995-08-2415:30 UTCm62611 0.44NAVD884OUSGSSA
1995-08-2415:30 UTCm7201946.48  4OUSGSSA
1995-12-0416:08 UTCm62610 1.98NGVD294OUSGSSA
1995-12-0416:08 UTCm62611 0.90NAVD884OUSGSSA
1995-12-0416:08 UTCm7201946.02  4OUSGSSA
1996-03-2219:26 UTCm62610 2.42NGVD294OUSGSSA
1996-03-2219:26 UTCm62611 1.34NAVD884OUSGSSA
1996-03-2219:26 UTCm7201945.58  4OUSGSSA
1996-05-1615:59 UTCm62610 2.14NGVD294OUSGSSA
1996-05-1615:59 UTCm62611 1.06NAVD884OUSGSSA
1996-05-1615:59 UTCm7201945.86  4OUSGSSA
1996-09-1015:45 UTCm62610 2.10NGVD294OUSGSSA
1996-09-1015:45 UTCm62611 1.02NAVD884OUSGSSA
1996-09-1015:45 UTCm7201945.90  4OUSGSSA
2013-07-2921:01 UTCm62610 2.73NGVD294VUSGSSA
2013-07-2921:01 UTCm62611 1.65NAVD884VUSGSSA
2013-07-2921:01 UTCm7201945.27  4VUSGSSA

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.
Method of measurementVCalibrated electric-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.