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Groundwater levels for the Nation

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USGS 404356073361801 N 9703. 1

Nassau County, New York
Latitude  40°43'56", Longitude  73°36'18" NAD27
Land-surface elevation 87.0 feet above NGVD29
The depth of the well is 106 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
1980-12-1719:57 UTCm62610 57.84NGVD291OUSGSSA
1980-12-1719:57 UTCm62611 56.68NAVD881OUSGSSA
1980-12-1719:57 UTCm7201929.16  1OUSGSSA
1981-03-1113:40 UTCm62610 57.92NGVD291OUSGSSA
1981-03-1113:40 UTCm62611 56.76NAVD881OUSGSSA
1981-03-1113:40 UTCm7201929.08  1OUSGSSA
1981-06-0816:50 UTCm62610 55.64NGVD291OUSGSSA
1981-06-0816:50 UTCm62611 54.48NAVD881OUSGSSA
1981-06-0816:50 UTCm7201931.36  1OUSGSSA
1981-10-1614:15 UTCm62610 55.35NGVD291OUSGSSA
1981-10-1614:15 UTCm62611 54.19NAVD881OUSGSSA
1981-10-1614:15 UTCm7201931.65  1OUSGSSA
1982-01-1218:10 UTCm62610 55.92NGVD291OUSGSSA
1982-01-1218:10 UTCm62611 54.76NAVD881OUSGSSA
1982-01-1218:10 UTCm7201931.08  1OUSGSSA
1982-03-1817:00 UTCm62610 55.94NGVD291OUSGSSA
1982-03-1817:00 UTCm62611 54.78NAVD881OUSGSSA
1982-03-1817:00 UTCm7201931.06  1OUSGSSA
1982-03-2216:25 UTCm62610 57.17NGVD291OUSGSSA
1982-03-2216:25 UTCm62611 56.01NAVD881OUSGSSA
1982-03-2216:25 UTCm7201929.83  1OUSGSSA
1982-04-1416:18 UTCm62610 56.49NGVD291OUSGSSA
1982-04-1416:18 UTCm62611 55.33NAVD881OUSGSSA
1982-04-1416:18 UTCm7201930.51  1OUSGSSA
1982-08-1916:15 UTCm62610 54.84NGVD291OUSGSSA
1982-08-1916:15 UTCm62611 53.68NAVD881OUSGSSA
1982-08-1916:15 UTCm7201932.16  1OUSGSSA
1982-09-1018:12 UTCm62610 54.51NGVD291OUSGSSA
1982-09-1018:12 UTCm62611 53.35NAVD881OUSGSSA
1982-09-1018:12 UTCm7201932.49  1OUSGSSA
1982-12-1416:30 UTCm62610 53.42NGVD291OUSGSSA
1982-12-1416:30 UTCm62611 52.26NAVD881OUSGSSA
1982-12-1416:30 UTCm7201933.58  1OUSGSSA
1983-03-3113:22 UTCm62610 54.99NGVD291OUSGSSA
1983-03-3113:22 UTCm62611 53.83NAVD881OUSGSSA
1983-03-3113:22 UTCm7201932.01  1OUSGSSA
1983-04-1217:45 UTCm62610 56.02NGVD291OUSGSSA
1983-04-1217:45 UTCm62611 54.86NAVD881OUSGSSA
1983-04-1217:45 UTCm7201930.98  1OUSGSSA
1983-04-1419:41 UTCm62610 55.07NGVD291OUSGSSA
1983-04-1419:41 UTCm62611 53.91NAVD881OUSGSSA
1983-04-1419:41 UTCm7201931.93  1OUSGSSA
1983-08-3122:45 UTCm62610 54.63NGVD291OUSGSSA
1983-08-3122:45 UTCm62611 53.47NAVD881OUSGSSA
1983-08-3122:45 UTCm7201932.37  1OUSGSSA
1984-04-2520:15 UTCm62610 59.69NGVD291OUSGSSA
1984-04-2520:15 UTCm62611 58.53NAVD881OUSGSSA
1984-04-2520:15 UTCm7201927.31  1OUSGSSA
1984-05-1418:55 UTCm62610 59.38NGVD291OUSGSSA
1984-05-1418:55 UTCm62611 58.22NAVD881OUSGSSA
1984-05-1418:55 UTCm7201927.62  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.