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Groundwater levels for the Nation

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USGS 404404073330401 N 9193. 1

Nassau County, New York
Latitude  40°44'04", Longitude  73°33'04" NAD27
Land-surface elevation 100.0 feet above NGVD29
The depth of the well is 196 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
1981-06-1016:00 UTCm62610 64.02NGVD291OUSGSSA
1981-06-1016:00 UTCm62611 62.84NAVD881OUSGSSA
1981-06-1016:00 UTCm7201935.98  1OUSGSSA
1981-07-2815:55 UTCm62610 63.63NGVD291OUSGSSA
1981-07-2815:55 UTCm62611 62.45NAVD881OUSGSSA
1981-07-2815:55 UTCm7201936.37  1OUSGSSA
1983-05-1713:45 UTCm62610 66.03NGVD291OUSGSSA
1983-05-1713:45 UTCm62611 64.85NAVD881OUSGSSA
1983-05-1713:45 UTCm7201933.97  1OUSGSSA
1984-01-0914:59 UTCm62610 66.55NGVD291OUSGSSA
1984-01-0914:59 UTCm62611 65.37NAVD881OUSGSSA
1984-01-0914:59 UTCm7201933.45  1OUSGSSA
1984-05-2419:10 UTCm62610 67.73NGVD291OUSGSSA
1984-05-2419:10 UTCm62611 66.55NAVD881OUSGSSA
1984-05-2419:10 UTCm7201932.27  1OUSGSSA
1984-07-2615:20 UTCm62610 69.17NGVD291OUSGSSA
1984-07-2615:20 UTCm62611 67.99NAVD881OUSGSSA
1984-07-2615:20 UTCm7201930.83  1OUSGSSA
1984-09-2718:16 UTCm62610 67.62NGVD291OUSGSSA
1984-09-2718:16 UTCm62611 66.44NAVD881OUSGSSA
1984-09-2718:16 UTCm7201932.38  1OUSGSSA
1984-11-0817:00 UTCm62610 66.46NGVD291OUSGSSA
1984-11-0817:00 UTCm62611 65.28NAVD881OUSGSSA
1984-11-0817:00 UTCm7201933.54  1OUSGSSA
1985-03-0815:45 UTCm62610 63.97NGVD291OUSGSSA
1985-03-0815:45 UTCm62611 62.79NAVD881OUSGSSA
1985-03-0815:45 UTCm7201936.03  1OUSGSSA
1986-01-0616:45 UTCm62610 61.18NGVD291OUSGSSA
1986-01-0616:45 UTCm62611 60.00NAVD881OUSGSSA
1986-01-0616:45 UTCm7201938.82  1OUSGSSA
1986-05-0814:55 UTCm62610 61.07NGVD291OUSGSSA
1986-05-0814:55 UTCm62611 59.89NAVD881OUSGSSA
1986-05-0814:55 UTCm7201938.93  1OUSGSSA
1987-03-0513:30 UTCm62610 59.89NGVD291OUSGSSA
1987-03-0513:30 UTCm62611 58.71NAVD881OUSGSSA
1987-03-0513:30 UTCm7201940.11  1OUSGSSA
1987-05-2113:30 UTCm62610 60.80NGVD291OUSGSSA
1987-05-2113:30 UTCm62611 59.62NAVD881OUSGSSA
1987-05-2113:30 UTCm7201939.20  1OUSGSSA
1987-07-2915:20 UTCm62610 59.62NGVD291OUSGSSA
1987-07-2915:20 UTCm62611 58.44NAVD881OUSGSSA
1987-07-2915:20 UTCm7201940.38  1OUSGSSA

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.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.