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Groundwater levels for the Nation

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USGS 404916073434601 N 9895. 1

Nassau County, New York
Latitude  40°49'16", Longitude  73°43'46" NAD27
Land-surface elevation 37.0 feet above NGVD29
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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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
1983-03-18 D62610 17.50NGVD291OUSGSSA
1983-03-18 D62611 16.42NAVD881OUSGSSA
1983-03-18 D7201919.50  1OUSGSSA
1992-03-1614:37 UTCm62610 16.45NGVD294OUSGSSA
1992-03-1614:37 UTCm62611 15.37NAVD884OUSGSSA
1992-03-1614:37 UTCm7201920.55  4OUSGSSA
1992-05-1918:23 UTCm62610 16.69NGVD294OUSGSSA
1992-05-1918:23 UTCm62611 15.61NAVD884OUSGSSA
1992-05-1918:23 UTCm7201920.31  4OUSGSSA
1992-07-1414:00 UTCm62610 16.21NGVD294OUSGSSA
1992-07-1414:00 UTCm62611 15.13NAVD884OUSGSSA
1992-07-1414:00 UTCm7201920.79  4OUSGSSA
1992-08-2515:41 UTCm62610 16.91NGVD291OUSGSSA
1992-08-2515:41 UTCm62611 15.83NAVD881OUSGSSA
1992-08-2515:41 UTCm7201920.09  1OUSGSSA
1992-12-0816:25 UTCm62610 16.58NGVD291OUSGSSA
1992-12-0816:25 UTCm62611 15.50NAVD881OUSGSSA
1992-12-0816:25 UTCm7201920.42  1OUSGSSA
1993-03-2518:15 UTCm62610 17.91NGVD291OUSGSSA
1993-03-2518:15 UTCm62611 16.83NAVD881OUSGSSA
1993-03-2518:15 UTCm7201919.09  1OUSGSSA
1993-06-1818:48 UTCm62610 17.21NGVD291OUSGSSA
1993-06-1818:48 UTCm62611 16.13NAVD881OUSGSSA
1993-06-1818:48 UTCm7201919.79  1OUSGSSA
1993-09-3015:45 UTCm62610 17.42NGVD291OUSGSSA
1993-09-3015:45 UTCm62611 16.34NAVD881OUSGSSA
1993-09-3015:45 UTCm7201919.58  1OUSGSSA
1993-12-2818:16 UTCm62610 17.16NGVD291OUSGSSA
1993-12-2818:16 UTCm62611 16.08NAVD881OUSGSSA
1993-12-2818:16 UTCm7201919.84  1OUSGSSA
1994-03-3017:09 UTCm62610 18.41NGVD291OUSGSSA
1994-03-3017:09 UTCm62611 17.33NAVD881OUSGSSA
1994-03-3017:09 UTCm7201918.59  1OUSGSSA
1994-06-0916:26 UTCm62610 17.79NGVD291OUSGSSA
1994-06-0916:26 UTCm62611 16.71NAVD881OUSGSSA
1994-06-0916:26 UTCm7201919.21  1OUSGSSA
1994-09-2016:05 UTCm62610 16.83NGVD291OUSGSSA
1994-09-2016:05 UTCm62611 15.75NAVD881OUSGSSA
1994-09-2016:05 UTCm7201920.17  1OUSGSSA
1994-12-1617:42 UTCm62610 16.90NGVD291OUSGSSA
1994-12-1617:42 UTCm62611 15.82NAVD881OUSGSSA
1994-12-1617:42 UTCm7201920.10  1OUSGSSA
1995-03-1520:55 UTCm62610 17.32NGVD291OUSGSSA
1995-03-1520:55 UTCm62611 16.24NAVD881OUSGSSA
1995-03-1520:55 UTCm7201919.68  1OUSGSSA
1995-06-1419:17 UTCm62610 16.62NGVD291OUSGSSA
1995-06-1419:17 UTCm62611 15.54NAVD881OUSGSSA
1995-06-1419:17 UTCm7201920.38  1OUSGSSA
1995-08-2413:58 UTCm62610 16.33NGVD291OUSGSSA
1995-08-2413:58 UTCm62611 15.25NAVD881OUSGSSA
1995-08-2413:58 UTCm7201920.67  1OUSGSSA
1995-12-0420:13 UTCm62610 17.00NGVD291OUSGSSA
1995-12-0420:13 UTCm62611 15.92NAVD881OUSGSSA
1995-12-0420:13 UTCm7201920.00  1OUSGSSA
1996-03-2217:11 UTCm62610 17.92NGVD291OUSGSSA
1996-03-2217:11 UTCm62611 16.84NAVD881OUSGSSA
1996-03-2217:11 UTCm7201919.08  1OUSGSSA
1996-05-1618:40 UTCm62610 17.97NGVD291OUSGSSA
1996-05-1618:40 UTCm62611 16.89NAVD881OUSGSSA
1996-05-1618:40 UTCm7201919.03  1OUSGSSA
1996-09-1019:21 UTCm62610 16.53NGVD291OUSGSSA
1996-09-1019:21 UTCm62611 15.45NAVD881OUSGSSA
1996-09-1019:21 UTCm7201920.47  1OUSGSSA
1997-03-1018:29 UTCm62610 17.68NGVD291OUSGSSA
1997-03-1018:29 UTCm62611 16.60NAVD881OUSGSSA
1997-03-1018:29 UTCm7201919.32  1OUSGSSA
2013-07-2916:33 UTCm62610 17.40NGVD291VUSGSSA
2013-07-2916:33 UTCm62611 16.32NAVD881VUSGSSA
2013-07-2916:33 UTCm7201919.60  1VUSGSSA

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
Status4Groundwater level affected by tide
Method of measurementOObserved.
Method of measurementVCalibrated electric-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.