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Groundwater levels for the Nation

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USGS 404354073350601 N 11244. 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 34 feet below land surface.
The depth of the hole is 34 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
1988-10-0318:05 UTCm62610 55.42NGVD291OUSGSSA
1988-10-0318:05 UTCm62611 54.25NAVD881OUSGSSA
1988-10-0318:05 UTCm7201914.58  1OUSGSSA
1988-10-1115:00 UTCm62610 55.26NGVD291OUSGSSA
1988-10-1115:00 UTCm62611 54.09NAVD881OUSGSSA
1988-10-1115:00 UTCm7201914.74  1OUSGSSA
1988-10-2113:50 UTCm62610 55.26NGVD291OUSGSSA
1988-10-2113:50 UTCm62611 54.09NAVD881OUSGSSA
1988-10-2113:50 UTCm7201914.74  1OUSGSSA
1988-11-2116:30 UTCm62610 55.87NGVD291OUSGSSA
1988-11-2116:30 UTCm62611 54.70NAVD881OUSGSSA
1988-11-2116:30 UTCm7201914.13  1OUSGSSA
1988-12-0715:30 UTCm62610 55.97NGVD291OUSGSSA
1988-12-0715:30 UTCm62611 54.80NAVD881OUSGSSA
1988-12-0715:30 UTCm7201914.03  1OUSGSSA
1989-01-1314:39 UTCm62610 55.90NGVD291OUSGSSA
1989-01-1314:39 UTCm62611 54.73NAVD881OUSGSSA
1989-01-1314:39 UTCm7201914.10  1OUSGSSA
1989-02-1317:05 UTCm62610 48.55NGVD291OUSGSSA
1989-02-1317:05 UTCm62611 47.38NAVD881OUSGSSA
1989-02-1317:05 UTCm7201921.45  1OUSGSSA
1989-03-1314:30 UTCm62610 55.52NGVD291OUSGSSA
1989-03-1314:30 UTCm62611 54.35NAVD881OUSGSSA
1989-03-1314:30 UTCm7201914.48  1OUSGSSA
1989-03-2318:15 UTCm62610 55.75NGVD291OUSGSSA
1989-03-2318:15 UTCm62611 54.58NAVD881OUSGSSA
1989-03-2318:15 UTCm7201914.25  1OUSGSSA
1989-04-1217:50 UTCm62610 56.43NGVD291OUSGSSA
1989-04-1217:50 UTCm62611 55.26NAVD881OUSGSSA
1989-04-1217:50 UTCm7201913.57  1OUSGSSA
1989-05-1715:02 UTCm62610 57.77NGVD291OUSGSSA
1989-05-1715:02 UTCm62611 56.60NAVD881OUSGSSA
1989-05-1715:02 UTCm7201912.23  1OUSGSSA
1989-05-1814:51 UTCm62610 58.08NGVD291OUSGSSA
1989-05-1814:51 UTCm62611 56.91NAVD881OUSGSSA
1989-05-1814:51 UTCm7201911.92  1OUSGSSA
1989-05-1915:50 UTCm62610 58.09NGVD291OUSGSSA
1989-05-1915:50 UTCm62611 56.92NAVD881OUSGSSA
1989-05-1915:50 UTCm7201911.91  1OUSGSSA
1989-05-2014:15 UTCm62610 58.11NGVD291OUSGSSA
1989-05-2014:15 UTCm62611 56.94NAVD881OUSGSSA
1989-05-2014:15 UTCm7201911.89  1OUSGSSA
1989-05-2215:50 UTCm62610 58.19NGVD291OUSGSSA
1989-05-2215:50 UTCm62611 57.02NAVD881OUSGSSA
1989-05-2215:50 UTCm7201911.81  1OUSGSSA
1989-06-2113:40 UTCm62610 59.17NGVD291OUSGSSA
1989-06-2113:40 UTCm62611 58.00NAVD881OUSGSSA
1989-06-2113:40 UTCm7201910.83  1OUSGSSA
1989-07-1814:00 UTCm62610 59.41NGVD291OUSGSSA
1989-07-1814:00 UTCm62611 58.24NAVD881OUSGSSA
1989-07-1814:00 UTCm7201910.59  1OUSGSSA
1989-08-1614:20 UTCm62610 59.54NGVD291OUSGSSA
1989-08-1614:20 UTCm62611 58.37NAVD881OUSGSSA
1989-08-1614:20 UTCm7201910.46  1OUSGSSA
1989-09-2016:05 UTCm62610 59.16NGVD291OUSGSSA
1989-09-2016:05 UTCm62611 57.99NAVD881OUSGSSA
1989-09-2016:05 UTCm7201910.84  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.