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Groundwater levels for the Nation

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  • 404307073271901
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USGS 404307073271901 N 9422. 1

Nassau County, New York
Latitude  40°43'07", Longitude  73°27'19" NAD27
Land-surface elevation 58.0 feet above NGVD29
The depth of the well is 16 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
1978-10-23 D62610 45.06NGVD291OUSGSSA
1978-10-23 D62611 43.86NAVD881OUSGSSA
1978-10-23 D7201912.94  1OUSGSSA
1978-11-20 D62610 45.51NGVD291OUSGSSA
1978-11-20 D62611 44.31NAVD881OUSGSSA
1978-11-20 D7201912.49  1OUSGSSA
1978-12-27 D62610 45.58NGVD291OUSGSSA
1978-12-27 D62611 44.38NAVD881OUSGSSA
1978-12-27 D7201912.42  1OUSGSSA
1979-03-0514:25 UTCm62610 46.91NGVD291SUSGSSA
1979-03-0514:25 UTCm62611 45.71NAVD881SUSGSSA
1979-03-0514:25 UTCm7201911.09  1SUSGSSA
1979-03-20 D62610 47.09NGVD291OUSGSSA
1979-03-20 D62611 45.89NAVD881OUSGSSA
1979-03-20 D7201910.91  1OUSGSSA
1979-04-18 D62610 46.63NGVD291OUSGSSA
1979-04-18 D62611 45.43NAVD881OUSGSSA
1979-04-18 D7201911.37  1OUSGSSA
1979-05-22 D62610 46.73NGVD291OUSGSSA
1979-05-22 D62611 45.53NAVD881OUSGSSA
1979-05-22 D7201911.27  1OUSGSSA
1983-09-1913:30 UTCm62610 43.92NGVD291SUSGSSA
1983-09-1913:30 UTCm62611 42.72NAVD881SUSGSSA
1983-09-1913:30 UTCm7201914.08  1SUSGSSA
1983-10-2217:00 UTCm62610 44.24NGVD291SUSGSSA
1983-10-2217:00 UTCm62611 43.04NAVD881SUSGSSA
1983-10-2217:00 UTCm7201913.76  1SUSGSSA
1984-08-3113:40 UTCm62610 46.41NGVD291OUSGSSA
1984-08-3113:40 UTCm62611 45.21NAVD881OUSGSSA
1984-08-3113:40 UTCm7201911.59  1OUSGSSA
1984-10-1516:41 UTCm62610 45.75NGVD291SUSGSSA
1984-10-1516:41 UTCm62611 44.55NAVD881SUSGSSA
1984-10-1516:41 UTCm7201912.25  1SUSGSSA
1985-05-1420:08 UTCm62610 44.61NGVD291SUSGSSA
1985-05-1420:08 UTCm62611 43.41NAVD881SUSGSSA
1985-05-1420:08 UTCm7201913.39  1SUSGSSA

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
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.