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Groundwater levels for the Nation

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  • 404748073385705
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USGS 404748073385705 N 9313. 1

Nassau County, New York
Latitude  40°47'47.4", Longitude  73°38'53.6" NAD83
Land-surface elevation 58.0 feet above NGVD29
The depth of the well is 59 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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Table of data
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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
1977-07-06 D62610 47.16NGVD291OUSGSSA
1977-07-06 D62611 46.07NAVD881OUSGSSA
1977-07-06 D7201910.84  1OUSGSSA
1977-09-0714:00 UTCm62610 46.92NGVD291OUSGSSA
1977-09-0714:00 UTCm62611 45.83NAVD881OUSGSSA
1977-09-0714:00 UTCm7201911.08  1OUSGSSA
1977-12-1514:10 UTCm62610 48.75NGVD291OUSGSSA
1977-12-1514:10 UTCm62611 47.66NAVD881OUSGSSA
1977-12-1514:10 UTCm720199.25  1OUSGSSA
1978-03-2115:55 UTCm62610 48.89NGVD291OUSGSSA
1978-03-2115:55 UTCm62611 47.80NAVD881OUSGSSA
1978-03-2115:55 UTCm720199.11  1OUSGSSA
1978-06-0514:55 UTCm62610 49.48NGVD291OUSGSSA
1978-06-0514:55 UTCm62611 48.39NAVD881OUSGSSA
1978-06-0514:55 UTCm720198.52  1OUSGSSA
1978-09-1914:54 UTCm62610 49.01NGVD291OUSGSSA
1978-09-1914:54 UTCm62611 47.92NAVD881OUSGSSA
1978-09-1914:54 UTCm720198.99  1OUSGSSA
1978-12-0717:40 UTCm62610 49.28NGVD291OUSGSSA
1978-12-0717:40 UTCm62611 48.19NAVD881OUSGSSA
1978-12-0717:40 UTCm720198.72  1OUSGSSA
1979-03-0218:22 UTCm62610 48.88NGVD291OUSGSSA
1979-03-0218:22 UTCm62611 47.79NAVD881OUSGSSA
1979-03-0218:22 UTCm720199.12  1OUSGSSA
1979-06-0516:03 UTCm62610 50.72NGVD291OUSGSSA
1979-06-0516:03 UTCm62611 49.63NAVD881OUSGSSA
1979-06-0516:03 UTCm720197.28  1OUSGSSA
1979-09-1115:56 UTCm62610 50.78NGVD291OUSGSSA
1979-09-1115:56 UTCm62611 49.69NAVD881OUSGSSA
1979-09-1115:56 UTCm720197.22  1OUSGSSA
1979-12-0614:40 UTCm62610 50.81NGVD291OUSGSSA
1979-12-0614:40 UTCm62611 49.72NAVD881OUSGSSA
1979-12-0614:40 UTCm720197.19  1OUSGSSA
1980-03-1916:05 UTCm62610 50.37NGVD291OUSGSSA
1980-03-1916:05 UTCm62611 49.28NAVD881OUSGSSA
1980-03-1916:05 UTCm720197.63  1OUSGSSA
1980-05-3016:11 UTCm62610 50.62NGVD291OUSGSSA
1980-05-3016:11 UTCm62611 49.53NAVD881OUSGSSA
1980-05-3016:11 UTCm720197.38  1OUSGSSA
1980-09-0318:17 UTCm62610 49.68NGVD291OUSGSSA
1980-09-0318:17 UTCm62611 48.59NAVD881OUSGSSA
1980-09-0318:17 UTCm720198.32  1OUSGSSA
1980-12-1719:17 UTCm62610 49.55NGVD291OUSGSSA
1980-12-1719:17 UTCm62611 48.46NAVD881OUSGSSA
1980-12-1719:17 UTCm720198.45  1OUSGSSA
1981-03-0616:52 UTCm62610 49.81NGVD291OUSGSSA
1981-03-0616:52 UTCm62611 48.72NAVD881OUSGSSA
1981-03-0616:52 UTCm720198.19  1OUSGSSA
1981-06-0318:42 UTCm62610 50.05NGVD291OUSGSSA
1981-06-0318:42 UTCm62611 48.96NAVD881OUSGSSA
1981-06-0318:42 UTCm720197.95  1OUSGSSA
1981-09-0319:41 UTCm62610 48.59NGVD291OUSGSSA
1981-09-0319:41 UTCm62611 47.50NAVD881OUSGSSA
1981-09-0319:41 UTCm720199.41  1OUSGSSA
1981-12-3115:20 UTCm62610 48.03NGVD291OUSGSSA
1981-12-3115:20 UTCm62611 46.94NAVD881OUSGSSA
1981-12-3115:20 UTCm720199.97  1OUSGSSA
1982-03-1514:45 UTCm62610 48.36NGVD291OUSGSSA
1982-03-1514:45 UTCm62611 47.27NAVD881OUSGSSA
1982-03-1514:45 UTCm720199.64  1OUSGSSA
1982-06-2416:15 UTCm62610 47.23NGVD291OUSGSSA
1982-06-2416:15 UTCm62611 46.14NAVD881OUSGSSA
1982-06-2416:15 UTCm7201910.77  1OUSGSSA
1982-09-0714:25 UTCm62610 46.98NGVD291OUSGSSA
1982-09-0714:25 UTCm62611 45.89NAVD881OUSGSSA
1982-09-0714:25 UTCm7201911.02  1OUSGSSA
1982-12-1518:49 UTCm62610 46.05NGVD291OUSGSSA
1982-12-1518:49 UTCm62611 44.96NAVD881OUSGSSA
1982-12-1518:49 UTCm7201911.95  1OUSGSSA
1983-04-0519:30 UTCm62610 46.85NGVD291OUSGSSA
1983-04-0519:30 UTCm62611 45.76NAVD881OUSGSSA
1983-04-0519:30 UTCm7201911.15  1OUSGSSA
1983-06-1515:20 UTCm62610 47.81NGVD291OUSGSSA
1983-06-1515:20 UTCm62611 46.72NAVD881OUSGSSA
1983-06-1515:20 UTCm7201910.19  1OUSGSSA
1983-08-05 D62610 46.37NGVD291OUSGSSA
1983-08-05 D62611 45.28NAVD881OUSGSSA
1983-08-05 D7201911.63  1OUSGSSA
1984-04-1219:35 UTCm62610 48.49NGVD291OUSGSSA
1984-04-1219:35 UTCm62611 47.40NAVD881OUSGSSA
1984-04-1219:35 UTCm720199.51  1OUSGSSA
1990-03-2818:15 UTCm62610 48.48NGVD294OUSGSSA
1990-03-2818:15 UTCm62611 47.39NAVD884OUSGSSA
1990-03-2818:15 UTCm720199.52  4OUSGSSA
1991-03-2120:34 UTCm62610 49.58NGVD294OUSGSSA
1991-03-2120:34 UTCm62611 48.49NAVD884OUSGSSA
1991-03-2120:34 UTCm720198.42  4OUSGSSA
1991-11-0515:25 UTCm62610 47.94NGVD291OUSGSSA
1991-11-0515:25 UTCm62611 46.85NAVD881OUSGSSA
1991-11-0515:25 UTCm7201910.06  1OUSGSSA
1992-03-1714:33 UTCm62610 48.08NGVD294OUSGSSA
1992-03-1714:33 UTCm62611 46.99NAVD884OUSGSSA
1992-03-1714:33 UTCm720199.92  4OUSGSSA
1992-06-0216:13 UTCm62610 47.23NGVD294OUSGSSA
1992-06-0216:13 UTCm62611 46.14NAVD884OUSGSSA
1992-06-0216:13 UTCm7201910.77  4OUSGSSA
1992-12-0917:14 UTCm62610 45.49NGVD294OUSGSSA
1992-12-0917:14 UTCm62611 44.40NAVD884OUSGSSA
1992-12-0917:14 UTCm7201912.51  4OUSGSSA
1993-03-2618:29 UTCm62610 46.07NGVD294OUSGSSA
1993-03-2618:29 UTCm62611 44.98NAVD884OUSGSSA
1993-03-2618:29 UTCm7201911.93  4OUSGSSA
1993-06-2419:25 UTCm62610 45.66NGVD294OUSGSSA
1993-06-2419:25 UTCm62611 44.57NAVD884OUSGSSA
1993-06-2419:25 UTCm7201912.34  4OUSGSSA
1993-10-0518:18 UTCm62610 44.98NGVD294OUSGSSA
1993-10-0518:18 UTCm62611 43.89NAVD884OUSGSSA
1993-10-0518:18 UTCm7201913.02  4OUSGSSA
1993-12-2916:05 UTCm62610 45.96NGVD294OUSGSSA
1993-12-2916:05 UTCm62611 44.87NAVD884OUSGSSA
1993-12-2916:05 UTCm7201912.04  4OUSGSSA
1994-03-3117:59 UTCm62610 46.29NGVD291OUSGSSA
1994-03-3117:59 UTCm62611 45.20NAVD881OUSGSSA
1994-03-3117:59 UTCm7201911.71  1OUSGSSA
1994-06-0715:22 UTCm62610 46.05NGVD291OUSGSSA
1994-06-0715:22 UTCm62611 44.96NAVD881OUSGSSA
1994-06-0715:22 UTCm7201911.95  1OUSGSSA
1994-09-1919:30 UTCm62610 44.71NGVD291OUSGSSA
1994-09-1919:30 UTCm62611 43.62NAVD881OUSGSSA
1994-09-1919:30 UTCm7201913.29  1OUSGSSA
1994-12-1513:27 UTCm62610 44.72NGVD291OUSGSSA
1994-12-1513:27 UTCm62611 43.63NAVD881OUSGSSA
1994-12-1513:27 UTCm7201913.28  1OUSGSSA
1995-03-1613:20 UTCm62610 46.05NGVD291OUSGSSA
1995-03-1613:20 UTCm62611 44.96NAVD881OUSGSSA
1995-03-1613:20 UTCm7201911.95  1OUSGSSA
1995-06-1313:32 UTCm62610 45.85NGVD291OUSGSSA
1995-06-1313:32 UTCm62611 44.76NAVD881OUSGSSA
1995-06-1313:32 UTCm7201912.15  1OUSGSSA
1995-08-2311:04 UTCm62610 45.17NGVD291OUSGSSA
1995-08-2311:04 UTCm62611 44.08NAVD881OUSGSSA
1995-08-2311:04 UTCm7201912.83  1OUSGSSA
1995-12-0519:39 UTCm62610 44.60NGVD291OUSGSSA
1995-12-0519:39 UTCm62611 43.51NAVD881OUSGSSA
1995-12-0519:39 UTCm7201913.40  1OUSGSSA
1996-03-1919:10 UTCm62610 45.05NGVD291OUSGSSA
1996-03-1919:10 UTCm62611 43.96NAVD881OUSGSSA
1996-03-1919:10 UTCm7201912.95  1OUSGSSA
1996-05-1518:14 UTCm62610 45.33NGVD291OUSGSSA
1996-05-1518:14 UTCm62611 44.24NAVD881OUSGSSA
1996-05-1518:14 UTCm7201912.67  1OUSGSSA
1996-09-1118:37 UTCm62610 44.92NGVD291OUSGSSA
1996-09-1118:37 UTCm62611 43.83NAVD881OUSGSSA
1996-09-1118:37 UTCm7201913.08  1OUSGSSA
1996-12-1118:54 UTCm62610 46.11NGVD291OUSGSSA
1996-12-1118:54 UTCm62611 45.02NAVD881OUSGSSA
1996-12-1118:54 UTCm7201911.89  1OUSGSSA
1997-03-1018:42 UTCm62610 46.57NGVD291OUSGSSA
1997-03-1018:42 UTCm62611 45.48NAVD881OUSGSSA
1997-03-1018:42 UTCm7201911.43  1OUSGSSA
1997-05-2213:51 UTCm62610 47.09NGVD291OUSGSSA
1997-05-2213:51 UTCm62611 46.00NAVD881OUSGSSA
1997-05-2213:51 UTCm7201910.91  1OUSGSSA
1997-07-2218:30 UTCm62610 46.25NGVD291OUSGSSA
1997-07-2218:30 UTCm62611 45.16NAVD881OUSGSSA
1997-07-2218:30 UTCm7201911.75  1OUSGSSA
1997-08-2016:35 UTCm62610 45.99NGVD291OUSGSSA
1997-08-2016:35 UTCm62611 44.90NAVD881OUSGSSA
1997-08-2016:35 UTCm7201912.01  1OUSGSSA
1997-09-1616:16 UTCm62610 45.69NGVD291OUSGSSA
1997-09-1616:16 UTCm62611 44.60NAVD881OUSGSSA
1997-09-1616:16 UTCm7201912.31  1OUSGSSA
1998-03-2613:33 UTCm62610 47.03NGVD291SUSGSSA
1998-03-2613:33 UTCm62611 45.94NAVD881SUSGSSA
1998-03-2613:33 UTCm7201910.97  1SUSGSSA
2002-03-1516:45 UTCm62610 44.37NGVD294SUSGSSA
2002-03-1516:45 UTCm62611 43.28NAVD884SUSGSSA
2002-03-1516:45 UTCm7201913.63  4SUSGSSA
2003-03-1919:12 UTCm62610 43.76NGVD291SUSGSSA
2003-03-1919:12 UTCm62611 42.67NAVD881SUSGSSA
2003-03-1919:12 UTCm7201914.24  1SUSGSSA
2004-03-2314:40 UTCm62610 44.40NGVD291SUSGSSA
2004-03-2314:40 UTCm62611 43.31NAVD881SUSGSSA
2004-03-2314:40 UTCm7201913.60  1SUSGSSA
2005-03-2414:54 UTCm62610 46.20NGVD294SUSGSSA
2005-03-2414:54 UTCm62611 45.11NAVD884SUSGSSA
2005-03-2414:54 UTCm7201911.80  4SUSGSSA
2006-03-2815:29 UTCm62610 46.88NGVD294SUSGSSA
2006-03-2815:29 UTCm62611 45.79NAVD884SUSGSSA
2006-03-2815:29 UTCm7201911.12  4SUSGSSA
2010-04-1923:00 UTCm62610 50.58NGVD291S  A
2010-04-1923:00 UTCm62611 49.49NAVD881S  A
2010-04-1923:00 UTCm720197.42  1S  A
2013-05-1517:17 UTCm62610 50.74NGVD291SUSGSSA
2013-05-1517:17 UTCm62611 49.65NAVD881SUSGSSA
2013-05-1517:17 UTCm720197.26  1SUSGSSA
2013-07-2919:15 UTCm62610 50.20NGVD291TUSGSSA
2013-07-2919:15 UTCm62611 49.11NAVD881TUSGSSA
2013-07-2919:15 UTCm720197.80  1TUSGSSA
2014-04-1719:00 UTCm62610 49.12NGVD294S  A
2014-04-1719:00 UTCm62611 48.03NAVD884S  A
2014-04-1719:00 UTCm720198.88  4S  A
2016-05-2316:36 UTCm62610 47.74NGVD291TUSGSSA
2016-05-2316:36 UTCm62611 46.65NAVD881TUSGSSA
2016-05-2316:36 UTCm7201910.26  1TUSGSSA
2020-11-0416:18 UTCm62610 47.50NGVD291VUSGSSA
2020-11-0416:18 UTCm62611 46.41NAVD881VUSGSSA
2020-11-0416:18 UTCm7201910.50  1VUSGSSA
2021-04-2715:55 UTCm62610 48.77NGVD291VUSGSSA
2021-04-2715:55 UTCm62611 47.68NAVD881VUSGSSA
2021-04-2715:55 UTCm720199.23  1VUSGSSA
2023-04-1912:35 UTCm62610 49.02NGVD291VUSGSSA
2023-04-1912:35 UTCm62611 47.93NAVD881VUSGSSA
2023-04-1912:35 UTCm720198.98  1VUSGSSA
2024-05-0314:42 UTCm62610 50.42NGVD291VUSGSSA
2024-05-0314:42 UTCm62611 49.33NAVD881VUSGSSA
2024-05-0314:42 UTCm720197.58  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 measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.