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Groundwater levels for the Nation

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USGS 404244073262201 N 9423. 1

Nassau County, New York
Latitude  40°42'44", Longitude  73°26'22" NAD27
Land-surface elevation 48.0 feet above NGVD29
The depth of the well is 11 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.
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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 39.01NGVD291OUSGSSA
1978-10-23 D62611 37.80NAVD881OUSGSSA
1978-10-23 D720198.99  1OUSGSSA
1978-11-2014:05 UTCm62610 38.14NGVD291SUSGSSA
1978-11-2014:05 UTCm62611 36.93NAVD881SUSGSSA
1978-11-2014:05 UTCm720199.86  1SUSGSSA
1978-12-27 D62610 39.32NGVD291SUSGSSA
1978-12-27 D62611 38.11NAVD881SUSGSSA
1978-12-27 D720198.68  1SUSGSSA
1979-03-0514:35 UTCm62610 41.85NGVD291SUSGSSA
1979-03-0514:35 UTCm62611 40.64NAVD881SUSGSSA
1979-03-0514:35 UTCm720196.15  1SUSGSSA
1979-03-2013:30 UTCm62610 42.21NGVD291SUSGSSA
1979-03-2013:30 UTCm62611 41.00NAVD881SUSGSSA
1979-03-2013:30 UTCm720195.79  1SUSGSSA
1979-04-1813:20 UTCm62610 41.81NGVD291SUSGSSA
1979-04-1813:20 UTCm62611 40.60NAVD881SUSGSSA
1979-04-1813:20 UTCm720196.19  1SUSGSSA
1979-05-2215:05 UTCm62610 41.92NGVD291SUSGSSA
1979-05-2215:05 UTCm62611 40.71NAVD881SUSGSSA
1979-05-2215:05 UTCm720196.08  1SUSGSSA
1983-09-1913:58 UTCm62610 39.24NGVD291SUSGSSA
1983-09-1913:58 UTCm62611 38.03NAVD881SUSGSSA
1983-09-1913:58 UTCm720198.76  1SUSGSSA
1983-10-2217:45 UTCm62610 39.49NGVD291SUSGSSA
1983-10-2217:45 UTCm62611 38.28NAVD881SUSGSSA
1983-10-2217:45 UTCm720198.51  1SUSGSSA
1984-08-3113:00 UTCm62610 41.98NGVD291SUSGSSA
1984-08-3113:00 UTCm62611 40.77NAVD881SUSGSSA
1984-08-3113:00 UTCm720196.02  1SUSGSSA
1984-10-1516:47 UTCm62610 41.14NGVD291SUSGSSA
1984-10-1516:47 UTCm62611 39.93NAVD881SUSGSSA
1984-10-1516:47 UTCm720196.86  1SUSGSSA
1985-05-1420:18 UTCm62610 39.64NGVD291SUSGSSA
1985-05-1420:18 UTCm62611 38.43NAVD881SUSGSSA
1985-05-1420:18 UTCm720198.36  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.