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Groundwater levels for the Nation

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USGS 405142073375603 N 9670. 1

Nassau County, New York
Latitude  40°51'42", Longitude  73°37'56" NAD27
Land-surface elevation 33.0 feet above NGVD29
The depth of the well is 42 feet below land surface.
The depth of the hole is 45 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
1979-06-05 D62610 24.61NGVD291OUSGSSA
1979-06-05 D62611 23.53NAVD881OUSGSSA
1979-06-05 D720198.39  1OUSGSSA
1979-09-11 D62610 24.34NGVD291OUSGSSA
1979-09-11 D62611 23.26NAVD881OUSGSSA
1979-09-11 D720198.66  1OUSGSSA
1979-12-10 D62610 24.32NGVD291OUSGSSA
1979-12-10 D62611 23.24NAVD881OUSGSSA
1979-12-10 D720198.68  1OUSGSSA
1980-03-20 D62610 24.62NGVD291OUSGSSA
1980-03-20 D62611 23.54NAVD881OUSGSSA
1980-03-20 D720198.38  1OUSGSSA
1980-05-30 D62610 24.47NGVD291OUSGSSA
1980-05-30 D62611 23.39NAVD881OUSGSSA
1980-05-30 D720198.53  1OUSGSSA
1980-09-05 D62610 24.22NGVD291OUSGSSA
1980-09-05 D62611 23.14NAVD881OUSGSSA
1980-09-05 D720198.78  1OUSGSSA
1980-12-18 D62610 22.69NGVD291OUSGSSA
1980-12-18 D62611 21.61NAVD881OUSGSSA
1980-12-18 D7201910.31  1OUSGSSA
1981-03-06 D62610 25.05NGVD291OUSGSSA
1981-03-06 D62611 23.97NAVD881OUSGSSA
1981-03-06 D720197.95  1OUSGSSA
1981-06-09 D62610 24.45NGVD291OUSGSSA
1981-06-09 D62611 23.37NAVD881OUSGSSA
1981-06-09 D720198.55  1OUSGSSA
1981-10-1915:35 UTCm62610 24.42NGVD291OUSGSSA
1981-10-1915:35 UTCm62611 23.34NAVD881OUSGSSA
1981-10-1915:35 UTCm720198.58  1OUSGSSA
1982-01-1215:00 UTCm62610 24.97NGVD291OUSGSSA
1982-01-1215:00 UTCm62611 23.89NAVD881OUSGSSA
1982-01-1215:00 UTCm720198.03  1OUSGSSA
1982-03-2214:50 UTCm62610 25.10NGVD291OUSGSSA
1982-03-2214:50 UTCm62611 24.02NAVD881OUSGSSA
1982-03-2214:50 UTCm720197.90  1OUSGSSA
1982-07-0914:48 UTCm62610 24.72NGVD291OUSGSSA
1982-07-0914:48 UTCm62611 23.64NAVD881OUSGSSA
1982-07-0914:48 UTCm720198.28  1OUSGSSA
1982-09-1016:24 UTCm62610 24.29NGVD291OUSGSSA
1982-09-1016:24 UTCm62611 23.21NAVD881OUSGSSA
1982-09-1016:24 UTCm720198.71  1OUSGSSA
1982-12-1319:30 UTCm62610 22.70NGVD291OUSGSSA
1982-12-1319:30 UTCm62611 21.62NAVD881OUSGSSA
1982-12-1319:30 UTCm7201910.30  1OUSGSSA
1983-04-1214:45 UTCm62610 23.92NGVD291OUSGSSA
1983-04-1214:45 UTCm62611 22.84NAVD881OUSGSSA
1983-04-1214:45 UTCm720199.08  1OUSGSSA
1990-03-2817:22 UTCm62610 24.37NGVD294OUSGSSA
1990-03-2817:22 UTCm62611 23.29NAVD884OUSGSSA
1990-03-2817:22 UTCm720198.63  4OUSGSSA
1991-03-2119:21 UTCm62610 24.53NGVD294OUSGSSA
1991-03-2119:21 UTCm62611 23.45NAVD884OUSGSSA
1991-03-2119:21 UTCm720198.47  4OUSGSSA
1991-11-0616:13 UTCm62610 24.17NGVD291OUSGSSA
1991-11-0616:13 UTCm62611 23.09NAVD881OUSGSSA
1991-11-0616:13 UTCm720198.83  1OUSGSSA
1992-03-1816:02 UTCm62610 24.23NGVD294OUSGSSA
1992-03-1816:02 UTCm62611 23.15NAVD884OUSGSSA
1992-03-1816:02 UTCm720198.77  4OUSGSSA
1992-05-2913:35 UTCm62610 23.87NGVD294OUSGSSA
1992-05-2913:35 UTCm62611 22.79NAVD884OUSGSSA
1992-05-2913:35 UTCm720199.13  4OUSGSSA
1992-12-0714:17 UTCm62610 23.84NGVD294OUSGSSA
1992-12-0714:17 UTCm62611 22.76NAVD884OUSGSSA
1992-12-0714:17 UTCm720199.16  4OUSGSSA
1993-03-2516:50 UTCm62610 24.54NGVD294OUSGSSA
1993-03-2516:50 UTCm62611 23.46NAVD884OUSGSSA
1993-03-2516:50 UTCm720198.46  4OUSGSSA
1993-06-2218:36 UTCm62610 23.09NGVD294OUSGSSA
1993-06-2218:36 UTCm62611 22.01NAVD884OUSGSSA
1993-06-2218:36 UTCm720199.91  4OUSGSSA
1993-12-2715:38 UTCm62610 23.89NGVD294OUSGSSA
1993-12-2715:38 UTCm62611 22.81NAVD884OUSGSSA
1993-12-2715:38 UTCm720199.11  4OUSGSSA
1994-03-3018:44 UTCm62610 24.45NGVD294OUSGSSA
1994-03-3018:44 UTCm62611 23.37NAVD884OUSGSSA
1994-03-3018:44 UTCm720198.55  4OUSGSSA
1994-06-0917:26 UTCm62610 23.96NGVD294OUSGSSA
1994-06-0917:26 UTCm62611 22.88NAVD884OUSGSSA
1994-06-0917:26 UTCm720199.04  4OUSGSSA
1994-12-2017:30 UTCm62610 23.86NGVD294OUSGSSA
1994-12-2017:30 UTCm62611 22.78NAVD884OUSGSSA
1994-12-2017:30 UTCm720199.14  4OUSGSSA
1995-03-1515:16 UTCm62610 23.95NGVD294OUSGSSA
1995-03-1515:16 UTCm62611 22.87NAVD884OUSGSSA
1995-03-1515:16 UTCm720199.05  4OUSGSSA
1995-06-1518:49 UTCm62610 23.65NGVD294OUSGSSA
1995-06-1518:49 UTCm62611 22.57NAVD884OUSGSSA
1995-06-1518:49 UTCm720199.35  4OUSGSSA
1995-12-0617:05 UTCm62610 23.53NGVD294OUSGSSA
1995-12-0617:05 UTCm62611 22.45NAVD884OUSGSSA
1995-12-0617:05 UTCm720199.47  4OUSGSSA
1996-03-1917:50 UTCm62610 23.78NGVD294OUSGSSA
1996-03-1917:50 UTCm62611 22.70NAVD884OUSGSSA
1996-03-1917:50 UTCm720199.22  4OUSGSSA
1996-05-1717:20 UTCm62610 23.86NGVD294OUSGSSA
1996-05-1717:20 UTCm62611 22.78NAVD884OUSGSSA
1996-05-1717:20 UTCm720199.14  4OUSGSSA
1996-09-1216:40 UTCm62610 23.53NGVD294OUSGSSA
1996-09-1216:40 UTCm62611 22.45NAVD884OUSGSSA
1996-09-1216:40 UTCm720199.47  4OUSGSSA
1996-12-1218:15 UTCm62610 23.99NGVD294OUSGSSA
1996-12-1218:15 UTCm62611 22.91NAVD884OUSGSSA
1996-12-1218:15 UTCm720199.01  4OUSGSSA
1997-03-1220:00 UTCm62610 23.97NGVD294OUSGSSA
1997-03-1220:00 UTCm62611 22.89NAVD884OUSGSSA
1997-03-1220:00 UTCm720199.03  4OUSGSSA
1997-05-2217:01 UTCm62610 23.99NGVD294OUSGSSA
1997-05-2217:01 UTCm62611 22.91NAVD884OUSGSSA
1997-05-2217:01 UTCm720199.01  4OUSGSSA
1997-07-2218:25 UTCm62610 23.82NGVD294OUSGSSA
1997-07-2218:25 UTCm62611 22.74NAVD884OUSGSSA
1997-07-2218:25 UTCm720199.18  4OUSGSSA
1997-08-2018:20 UTCm62610 23.78NGVD294OUSGSSA
1997-08-2018:20 UTCm62611 22.70NAVD884OUSGSSA
1997-08-2018:20 UTCm720199.22  4OUSGSSA
1997-09-1616:24 UTCm62610 23.82NGVD294OUSGSSA
1997-09-1616:24 UTCm62611 22.74NAVD884OUSGSSA
1997-09-1616:24 UTCm720199.18  4OUSGSSA
1998-03-2615:29 UTCm62610 24.17NGVD294SUSGSSA
1998-03-2615:29 UTCm62611 23.09NAVD884SUSGSSA
1998-03-2615:29 UTCm720198.83  4SUSGSSA
2013-07-1714:21 UTCm62610 24.06NGVD291TUSGSSA
2013-07-1714:21 UTCm62611 22.98NAVD881TUSGSSA
2013-07-1714:21 UTCm720198.94  1TUSGSSA
2013-07-2917:16 UTCm62610 24.02NGVD291TUSGSSA
2013-07-2917:16 UTCm62611 22.94NAVD881TUSGSSA
2013-07-2917:16 UTCm720198.98  1TUSGSSA

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
Status4GWTideAffected
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-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.