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Groundwater levels for the Nation

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USGS 404500073301301 N 10596. 1

Nassau County, New York
Latitude  40°45'00", Longitude  73°30'13" NAD27
Land-surface elevation 119.0 feet above NGVD29
The depth of the well is 71 feet below land surface.
The depth of the hole is 71 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
1986-07-25 D62610 66.71NGVD291OUSGSSA
1986-07-25 D62611 65.52NAVD881OUSGSSA
1986-07-25 D7201952.29  1OUSGSSA
1986-08-29 D62610 66.87NGVD291OUSGSSA
1986-08-29 D62611 65.68NAVD881OUSGSSA
1986-08-29 D7201952.13  1OUSGSSA
1986-09-23 D62610 66.03NGVD291OUSGSSA
1986-09-23 D62611 64.84NAVD881OUSGSSA
1986-09-23 D7201952.97  1OUSGSSA
1986-11-03 D62610 65.52NGVD291OUSGSSA
1986-11-03 D62611 64.33NAVD881OUSGSSA
1986-11-03 D7201953.48  1OUSGSSA
1986-11-25 D62610 66.76NGVD291OUSGSSA
1986-11-25 D62611 65.57NAVD881OUSGSSA
1986-11-25 D7201952.24  1OUSGSSA
1986-12-16 D62610 67.19NGVD291OUSGSSA
1986-12-16 D62611 66.00NAVD881OUSGSSA
1986-12-16 D7201951.81  1OUSGSSA
1987-01-12 D62610 67.63NGVD291OUSGSSA
1987-01-12 D62611 66.44NAVD881OUSGSSA
1987-01-12 D7201951.37  1OUSGSSA
1987-02-19 D62610 67.78NGVD291OUSGSSA
1987-02-19 D62611 66.59NAVD881OUSGSSA
1987-02-19 D7201951.22  1OUSGSSA
1987-03-19 D62610 67.96NGVD291OUSGSSA
1987-03-19 D62611 66.77NAVD881OUSGSSA
1987-03-19 D7201951.04  1OUSGSSA
1987-04-16 D62610 67.99NGVD291OUSGSSA
1987-04-16 D62611 66.80NAVD881OUSGSSA
1987-04-16 D7201951.01  1OUSGSSA
1987-05-20 D62610 68.04NGVD291OUSGSSA
1987-05-20 D62611 66.85NAVD881OUSGSSA
1987-05-20 D7201950.96  1OUSGSSA
1987-06-23 D62610 67.41NGVD291OUSGSSA
1987-06-23 D62611 66.22NAVD881OUSGSSA
1987-06-23 D7201951.59  1OUSGSSA
1987-07-20 D62610 67.21NGVD291OUSGSSA
1987-07-20 D62611 66.02NAVD881OUSGSSA
1987-07-20 D7201951.79  1OUSGSSA
1987-08-18 D62610 66.62NGVD291OUSGSSA
1987-08-18 D62611 65.43NAVD881OUSGSSA
1987-08-18 D7201952.38  1OUSGSSA
1987-09-16 D62610 66.10NGVD291OUSGSSA
1987-09-16 D62611 64.91NAVD881OUSGSSA
1987-09-16 D7201952.90  1OUSGSSA
1987-10-15 D62610 66.42NGVD291OUSGSSA
1987-10-15 D62611 65.23NAVD881OUSGSSA
1987-10-15 D7201952.58  1OUSGSSA
1987-11-16 D62610 66.43NGVD291OUSGSSA
1987-11-16 D62611 65.24NAVD881OUSGSSA
1987-11-16 D7201952.57  1OUSGSSA
1987-12-16 D62610 66.47NGVD291OUSGSSA
1987-12-16 D62611 65.28NAVD881OUSGSSA
1987-12-16 D7201952.53  1OUSGSSA
1988-02-16 D62610 66.24NGVD291OUSGSSA
1988-02-16 D62611 65.05NAVD881OUSGSSA
1988-02-16 D7201952.76  1OUSGSSA
1988-03-11 D62610 66.06NGVD291OUSGSSA
1988-03-11 D62611 64.87NAVD881OUSGSSA
1988-03-11 D7201952.94  1OUSGSSA
1988-04-11 D62610 65.83NGVD291OUSGSSA
1988-04-11 D62611 64.64NAVD881OUSGSSA
1988-04-11 D7201953.17  1OUSGSSA
1988-05-05 D62610 65.57NGVD291OUSGSSA
1988-05-05 D62611 64.38NAVD881OUSGSSA
1988-05-05 D7201953.43  1OUSGSSA
1988-12-29 D62610 64.51NGVD291OUSGSSA
1988-12-29 D62611 63.32NAVD881OUSGSSA
1988-12-29 D7201954.49  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.