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Groundwater levels for the Nation

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USGS 404353073350102 N 11609. 1

Nassau County, New York
Latitude  40°43'53", Longitude  73°35'01" NAD27
Land-surface elevation 68.0 feet above NGVD29
The depth of the well is 18 feet below land surface.
The depth of the hole is 19 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.
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
1989-12-05 D62610 59.98NGVD291OUSGSSA
1989-12-05 D62611 58.81NAVD881OUSGSSA
1989-12-05 D720198.02  1OUSGSSA
1990-01-16 D62610 59.81NGVD291OUSGSSA
1990-01-16 D62611 58.64NAVD881OUSGSSA
1990-01-16 D720198.19  1OUSGSSA
1990-02-13 D62610 59.90NGVD291OUSGSSA
1990-02-13 D62611 58.73NAVD881OUSGSSA
1990-02-13 D720198.10  1OUSGSSA
1990-03-27 D62610 59.81NGVD291OUSGSSA
1990-03-27 D62611 58.64NAVD881OUSGSSA
1990-03-27 D720198.19  1OUSGSSA
1990-06-18 D62610 60.14NGVD291OUSGSSA
1990-06-18 D62611 58.97NAVD881OUSGSSA
1990-06-18 D720197.86  1OUSGSSA
1990-08-16 D62610 59.92NGVD291OUSGSSA
1990-08-16 D62611 58.75NAVD881OUSGSSA
1990-08-16 D720198.08  1OUSGSSA
1990-10-29 D62610 60.28NGVD291OUSGSSA
1990-10-29 D62611 59.11NAVD881OUSGSSA
1990-10-29 D720197.72  1OUSGSSA
1990-12-03 D62610 59.86NGVD291OUSGSSA
1990-12-03 D62611 58.69NAVD881OUSGSSA
1990-12-03 D720198.14  1OUSGSSA
1990-12-11 D62610 59.75NGVD291OUSGSSA
1990-12-11 D62611 58.58NAVD881OUSGSSA
1990-12-11 D720198.25  1OUSGSSA
1991-01-10 D62610 59.32NGVD29POUSGSSA
1991-01-10 D62611 58.15NAVD88POUSGSSA
1991-01-10 D720198.68  POUSGSSA
1991-02-2215:25 UTCm62610 59.26NGVD29POUSGSSA
1991-02-2215:25 UTCm62611 58.09NAVD88POUSGSSA
1991-02-2215:25 UTCm720198.74  POUSGSSA
1991-03-2215:40 UTCm62610 59.92NGVD291OUSGSSA
1991-03-2215:40 UTCm62611 58.75NAVD881OUSGSSA
1991-03-2215:40 UTCm720198.08  1OUSGSSA
1991-04-2613:35 UTCm62610 60.16NGVD291OUSGSSA
1991-04-2613:35 UTCm62611 58.99NAVD881OUSGSSA
1991-04-2613:35 UTCm720197.84  1OUSGSSA
1991-05-2214:05 UTCm62610 60.02NGVD291OUSGSSA
1991-05-2214:05 UTCm62611 58.85NAVD881OUSGSSA
1991-05-2214:05 UTCm720197.98  1OUSGSSA
1991-06-2614:05 UTCm62610 59.92NGVD291OUSGSSA
1991-06-2614:05 UTCm62611 58.75NAVD881OUSGSSA
1991-06-2614:05 UTCm720198.08  1OUSGSSA
1991-08-0616:10 UTCm62610 59.67NGVD291OUSGSSA
1991-08-0616:10 UTCm62611 58.50NAVD881OUSGSSA
1991-08-0616:10 UTCm720198.33  1OUSGSSA
1991-09-0415:15 UTCm62610 59.79NGVD291OUSGSSA
1991-09-0415:15 UTCm62611 58.62NAVD881OUSGSSA
1991-09-0415:15 UTCm720198.21  1OUSGSSA
1991-10-2215:45 UTCm62610 59.46NGVD291OUSGSSA
1991-10-2215:45 UTCm62611 58.29NAVD881OUSGSSA
1991-10-2215:45 UTCm720198.54  1OUSGSSA
1991-11-2117:45 UTCm62610 59.28NGVD291OUSGSSA
1991-11-2117:45 UTCm62611 58.11NAVD881OUSGSSA
1991-11-2117:45 UTCm720198.72  1OUSGSSA
1992-03-1716:10 UTCm62610 59.21NGVD291OUSGSSA
1992-03-1716:10 UTCm62611 58.04NAVD881OUSGSSA
1992-03-1716:10 UTCm720198.79  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
StatusPPumping
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.