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Groundwater levels for the Nation

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USGS 404354073350602 N 11245. 1

Nassau County, New York
Latitude  40°43'54", Longitude  73°35'06" NAD27
Land-surface elevation 70.0 feet above NGVD29
The depth of the well is 24 feet below land surface.
The depth of the hole is 24 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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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
1988-10-0318:05 UTCm62610 56.27NGVD291OUSGSSA
1988-10-0318:05 UTCm62611 55.10NAVD881OUSGSSA
1988-10-0318:05 UTCm7201913.73  1OUSGSSA
1988-10-1115:00 UTCm62610 55.90NGVD291OUSGSSA
1988-10-1115:00 UTCm62611 54.73NAVD881OUSGSSA
1988-10-1115:00 UTCm7201914.10  1OUSGSSA
1988-10-2113:50 UTCm62610 55.17NGVD291OUSGSSA
1988-10-2113:50 UTCm62611 54.00NAVD881OUSGSSA
1988-10-2113:50 UTCm7201914.83  1OUSGSSA
1988-11-2116:30 UTCm62610 56.53NGVD291OUSGSSA
1988-11-2116:30 UTCm62611 55.36NAVD881OUSGSSA
1988-11-2116:30 UTCm7201913.47  1OUSGSSA
1988-12-0715:30 UTCm62610 56.43NGVD291OUSGSSA
1988-12-0715:30 UTCm62611 55.26NAVD881OUSGSSA
1988-12-0715:30 UTCm7201913.57  1OUSGSSA
1989-01-1314:40 UTCm62610 56.06NGVD291OUSGSSA
1989-01-1314:40 UTCm62611 54.89NAVD881OUSGSSA
1989-01-1314:40 UTCm7201913.94  1OUSGSSA
1989-02-1317:10 UTCm62610 55.58NGVD291OUSGSSA
1989-02-1317:10 UTCm62611 54.41NAVD881OUSGSSA
1989-02-1317:10 UTCm7201914.42  1OUSGSSA
1989-03-1314:30 UTCm62610 56.37NGVD291OUSGSSA
1989-03-1314:30 UTCm62611 55.20NAVD881OUSGSSA
1989-03-1314:30 UTCm7201913.63  1OUSGSSA
1989-03-2318:16 UTCm62610 56.10NGVD291OUSGSSA
1989-03-2318:16 UTCm62611 54.93NAVD881OUSGSSA
1989-03-2318:16 UTCm7201913.90  1OUSGSSA
1989-04-1217:50 UTCm62610 56.95NGVD291OUSGSSA
1989-04-1217:50 UTCm62611 55.78NAVD881OUSGSSA
1989-04-1217:50 UTCm7201913.05  1OUSGSSA
1989-05-1715:02 UTCm62610 58.38NGVD291OUSGSSA
1989-05-1715:02 UTCm62611 57.21NAVD881OUSGSSA
1989-05-1715:02 UTCm7201911.62  1OUSGSSA
1989-05-1814:51 UTCm62610 58.51NGVD291OUSGSSA
1989-05-1814:51 UTCm62611 57.34NAVD881OUSGSSA
1989-05-1814:51 UTCm7201911.49  1OUSGSSA
1989-05-1915:50 UTCm62610 58.63NGVD291OUSGSSA
1989-05-1915:50 UTCm62611 57.46NAVD881OUSGSSA
1989-05-1915:50 UTCm7201911.37  1OUSGSSA
1989-05-2014:15 UTCm62610 58.54NGVD291OUSGSSA
1989-05-2014:15 UTCm62611 57.37NAVD881OUSGSSA
1989-05-2014:15 UTCm7201911.46  1OUSGSSA
1989-05-2215:50 UTCm62610 58.69NGVD291OUSGSSA
1989-05-2215:50 UTCm62611 57.52NAVD881OUSGSSA
1989-05-2215:50 UTCm7201911.31  1OUSGSSA
1989-06-2113:40 UTCm62610 59.31NGVD291OUSGSSA
1989-06-2113:40 UTCm62611 58.14NAVD881OUSGSSA
1989-06-2113:40 UTCm7201910.69  1OUSGSSA
1989-07-1814:00 UTCm62610 59.50NGVD291OUSGSSA
1989-07-1814:00 UTCm62611 58.33NAVD881OUSGSSA
1989-07-1814:00 UTCm7201910.50  1OUSGSSA
1989-08-1614:20 UTCm62610 59.68NGVD291OUSGSSA
1989-08-1614:20 UTCm62611 58.51NAVD881OUSGSSA
1989-08-1614:20 UTCm7201910.32  1OUSGSSA
1989-09-2016:06 UTCm62610 59.23NGVD291OUSGSSA
1989-09-2016:06 UTCm62611 58.06NAVD881OUSGSSA
1989-09-2016:06 UTCm7201910.77  1OUSGSSA
1989-10-24 D62610 59.83NGVD291OUSGSSA
1989-10-24 D62611 58.66NAVD881OUSGSSA
1989-10-24 D7201910.17  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
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.