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Groundwater levels for New York

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USGS 403517073430704 N 6704. 1

Nassau County, New York
Latitude  40°35'16.9", Longitude  73°43'04.5" NAD83
Land-surface elevation 10.0 feet above NGVD29
The depth of the well is 298 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 Magothy Aquifer (211MAGT) local aquifer.
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code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
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status
1968-02-02 D62610 4.43NGVD29 O  A
1968-02-02 D62611 3.33NAVD88 O  A
1968-02-02 D720195.57   O  A
1968-02-29 D62610 4.58NGVD29 O  A
1968-02-29 D62611 3.48NAVD88 O  A
1968-02-29 D720195.42   O  A
1968-03-29 D62610 3.86NGVD29 O  A
1968-03-29 D62611 2.76NAVD88 O  A
1968-03-29 D720196.14   O  A
1968-04-30 D62610 4.68NGVD29 O  A
1968-04-30 D62611 3.58NAVD88 O  A
1968-04-30 D720195.32   O  A
1968-05-28 D62610 4.62NGVD29 O  A
1968-05-28 D62611 3.52NAVD88 O  A
1968-05-28 D720195.38   O  A
1968-06-28 D62610 4.41NGVD29 O  A
1968-06-28 D62611 3.31NAVD88 O  A
1968-06-28 D720195.59   O  A
1968-07-30 D62610 3.55NGVD29 O  A
1968-07-30 D62611 2.45NAVD88 O  A
1968-07-30 D720196.45   O  A
1968-08-30 D62610 4.26NGVD29 O  A
1968-08-30 D62611 3.16NAVD88 O  A
1968-08-30 D720195.74   O  A
1968-09-30 D62610 3.20NGVD29 O  A
1968-09-30 D62611 2.10NAVD88 O  A
1968-09-30 D720196.80   O  A
1968-10-30 D62610 3.48NGVD29 O  A
1968-10-30 D62611 2.38NAVD88 O  A
1968-10-30 D720196.52   O  A
1968-12-02 D62610 3.43NGVD29 O  A
1968-12-02 D62611 2.33NAVD88 O  A
1968-12-02 D720196.57   O  A
1968-12-31 D62610 3.37NGVD29 O  A
1968-12-31 D62611 2.27NAVD88 O  A
1968-12-31 D720196.63   O  A
1969-02-05 D62610 3.49NGVD29 O  A
1969-02-05 D62611 2.39NAVD88 O  A
1969-02-05 D720196.51   O  A
1969-03-03 D62610 4.11NGVD29 O  A
1969-03-03 D62611 3.01NAVD88 O  A
1969-03-03 D720195.89   O  A
1969-04-02 D62610 3.30NGVD29 O  A
1969-04-02 D62611 2.20NAVD88 O  A
1969-04-02 D720196.70   O  A
1969-05-02 D62610 3.95NGVD29 O  A
1969-05-02 D62611 2.85NAVD88 O  A
1969-05-02 D720196.05   O  A
1969-06-02 D62610 3.28NGVD29 O  A
1969-06-02 D62611 2.18NAVD88 O  A
1969-06-02 D720196.72   O  A
1969-06-30 D62610 3.75NGVD29 O  A
1969-06-30 D62611 2.65NAVD88 O  A
1969-06-30 D720196.25   O  A
1969-08-01 D62610 5.13NGVD29 O  A
1969-08-01 D62611 4.03NAVD88 O  A
1969-08-01 D720194.87   O  A
1969-09-02 D62610 4.06NGVD29 O  A
1969-09-02 D62611 2.96NAVD88 O  A
1969-09-02 D720195.94   O  A
1969-09-30 D62610 5.20NGVD29 O  A
1969-09-30 D62611 4.10NAVD88 O  A
1969-09-30 D720194.80   O  A
1969-10-31 D62610 4.38NGVD29 O  A
1969-10-31 D62611 3.28NAVD88 O  A
1969-10-31 D720195.62   O  A
1970-01-30 D62610 4.30NGVD29 O  A
1970-01-30 D62611 3.20NAVD88 O  A
1970-01-30 D720195.70   O  A
1970-05-01 D62610 3.00NGVD29 O  A
1970-05-01 D62611 1.90NAVD88 O  A
1970-05-01 D720197.00   O  A
1970-10-29 D62610 3.40NGVD29 O  A
1970-10-29 D62611 2.30NAVD88 O  A
1970-10-29 D720196.60   O  A
1970-12-01 D62610 5.01NGVD29 O  A
1970-12-01 D62611 3.91NAVD88 O  A
1970-12-01 D720194.99   O  A
1971-03-12 D62610 3.79NGVD29 O  A
1971-03-12 D62611 2.69NAVD88 O  A
1971-03-12 D720196.21   O  A
1971-10-04 D62610 5.45NGVD29 O  A
1971-10-04 D62611 4.35NAVD88 O  A
1971-10-04 D720194.55   O  A
1971-12-22 D62610 4.33NGVD29 O  A
1971-12-22 D62611 3.23NAVD88 O  A
1971-12-22 D720195.67   O  A
1972-03-22 D62610 3.99NGVD29 O  A
1972-03-22 D62611 2.89NAVD88 O  A
1972-03-22 D720196.01   O  A
1972-07-18 D62610 4.68NGVD291O  A
1972-07-18 D62611 3.58NAVD881O  A
1972-07-18 D720195.32  1O  A
1972-10-04 D62610 2.85NGVD291O  A
1972-10-04 D62611 1.75NAVD881O  A
1972-10-04 D720197.15  1O  A
1972-12-29 D62610 4.01NGVD291O  A
1972-12-29 D62611 2.91NAVD881O  A
1972-12-29 D720195.99  1O  A
1973-03-19 D62610 3.86NGVD291O  A
1973-03-19 D62611 2.76NAVD881O  A
1973-03-19 D720196.14  1O  A
1973-04-05 D62610 5.81NGVD291O  A
1973-04-05 D62611 4.71NAVD881O  A
1973-04-05 D720194.19  1O  A
1973-06-19 D62610 5.62NGVD291O  A
1973-06-19 D62611 4.52NAVD881O  A
1973-06-19 D720194.38  1O  A
1973-09-25 D62610 4.47NGVD291O  A
1973-09-25 D62611 3.37NAVD881O  A
1973-09-25 D720195.53  1O  A
1973-12-26 D62610 4.79NGVD291O  A
1973-12-26 D62611 3.69NAVD881O  A
1973-12-26 D720195.21  1O  A
1974-04-10 D62610 4.87NGVD291O  A
1974-04-10 D62611 3.77NAVD881O  A
1974-04-10 D720195.13  1O  A
1974-06-21 D62610 4.95NGVD291O  A
1974-06-21 D62611 3.85NAVD881O  A
1974-06-21 D720195.05  1O  A
1974-10-01 D62610 4.71NGVD291O  A
1974-10-01 D62611 3.61NAVD881O  A
1974-10-01 D720195.29  1O  A
1974-12-19 D62610 4.75NGVD291O  A
1974-12-19 D62611 3.65NAVD881O  A
1974-12-19 D720195.25  1O  A
1975-03-27 D62610 4.83NGVD291O  A
1975-03-27 D62611 3.73NAVD881O  A
1975-03-27 D720195.17  1O  A
1975-06-26 D62610 4.72NGVD291O  A
1975-06-26 D62611 3.62NAVD881O  A
1975-06-26 D720195.28  1O  A
1975-10-07 D62610 4.95NGVD291O  A
1975-10-07 D62611 3.85NAVD881O  A
1975-10-07 D720195.05  1O  A
1975-12-19 D62610 5.25NGVD291O  A
1975-12-19 D62611 4.15NAVD881O  A
1975-12-19 D720194.75  1O  A
1976-03-17 D62610 5.02NGVD291O  A
1976-03-17 D62611 3.92NAVD881O  A
1976-03-17 D720194.98  1O  A
1976-06-29 D62610 4.16NGVD291O  A
1976-06-29 D62611 3.06NAVD881O  A
1976-06-29 D720195.84  1O  A
1976-09-29 D62610 4.90NGVD291O  A
1976-09-29 D62611 3.80NAVD881O  A
1976-09-29 D720195.10  1O  A
1976-12-21 D62610 5.18NGVD291O  A
1976-12-21 D62611 4.08NAVD881O  A
1976-12-21 D720194.82  1O  A
1977-04-18 D62610 4.46NGVD291O  A
1977-04-18 D62611 3.36NAVD881O  A
1977-04-18 D720195.54  1O  A
1977-06-22 D62610 4.10NGVD291O  A
1977-06-22 D62611 3.00NAVD881O  A
1977-06-22 D720195.90  1O  A
1977-09-27 D62610 5.35NGVD291O  A
1977-09-27 D62611 4.25NAVD881O  A
1977-09-27 D720194.65  1O  A
1978-01-10 D62610 4.64NGVD291O  A
1978-01-10 D62611 3.54NAVD881O  A
1978-01-10 D720195.36  1O  A
1978-04-05 D62610 5.15NGVD291O  A
1978-04-05 D62611 4.05NAVD881O  A
1978-04-05 D720194.85  1O  A
1978-06-20 D62610 4.52NGVD291O  A
1978-06-20 D62611 3.42NAVD881O  A
1978-06-20 D720195.48  1O  A
1978-10-02 D62610 4.92NGVD291O  A
1978-10-02 D62611 3.82NAVD881O  A
1978-10-02 D720195.08  1O  A
1978-12-19 D62610 4.15NGVD291O  A
1978-12-19 D62611 3.05NAVD881O  A
1978-12-19 D720195.85  1O  A
1979-02-01 D62610 5.75NGVD291O  A
1979-02-01 D62611 4.65NAVD881O  A
1979-02-01 D720194.25  1O  A
1979-03-16 D62610 6.25NGVD291O  A
1979-03-16 D62611 5.15NAVD881O  A
1979-03-16 D720193.75  1O  A
1979-05-01 D62610 5.95NGVD291O  A
1979-05-01 D62611 4.85NAVD881O  A
1979-05-01 D720194.05  1O  A
1979-06-26 D62610 4.20NGVD291O  A
1979-06-26 D62611 3.10NAVD881O  A
1979-06-26 D720195.80  1O  A
1979-09-19 D62610 3.75NGVD291O  A
1979-09-19 D62611 2.65NAVD881O  A
1979-09-19 D720196.25  1O  A
1979-12-06 D62610 4.91NGVD291O  A
1979-12-06 D62611 3.81NAVD881O  A
1979-12-06 D720195.09  1O  A
1980-03-17 D62610 3.82NGVD291O  A
1980-03-17 D62611 2.72NAVD881O  A
1980-03-17 D720196.18  1O  A
1980-06-17 D62610 4.18NGVD291O  A
1980-06-17 D62611 3.08NAVD881O  A
1980-06-17 D720195.82  1O  A
1980-09-22 D62610 3.52NGVD291O  A
1980-09-22 D62611 2.42NAVD881O  A
1980-09-22 D720196.48  1O  A
1980-12-23 D62610 4.73NGVD291O  A
1980-12-23 D62611 3.63NAVD881O  A
1980-12-23 D720195.27  1O  A
1981-03-26 D62610 4.16NGVD291O  A
1981-03-26 D62611 3.06NAVD881O  A
1981-03-26 D720195.84  1O  A
1981-06-17 D62610 3.91NGVD291O  A
1981-06-17 D62611 2.81NAVD881O  A
1981-06-17 D720196.09  1O  A
1981-09-14 D62610 4.68NGVD291O  A
1981-09-14 D62611 3.58NAVD881O  A
1981-09-14 D720195.32  1O  A
1981-12-1718:09 UTCm62610 4.15NGVD294O  A
1981-12-1718:09 UTCm62611 3.05NAVD884O  A
1981-12-1718:09 UTCm720195.85  4O  A
1982-03-1518:29 UTCm62610 3.85NGVD294O  A
1982-03-1518:29 UTCm62611 2.75NAVD884O  A
1982-03-1518:29 UTCm720196.15  4O  A
1982-06-2214:33 UTCm62610 5.19NGVD294O  A
1982-06-2214:33 UTCm62611 4.09NAVD884O  A
1982-06-2214:33 UTCm720194.81  4O  A
1982-06-2214:34 UTCm62610 5.19NGVD294O  A
1982-06-2214:34 UTCm62611 4.09NAVD884O  A
1982-06-2214:34 UTCm720194.81  4O  A
1982-09-2119:43 UTCm62610 3.56NGVD291O  A
1982-09-2119:43 UTCm62611 2.46NAVD881O  A
1982-09-2119:43 UTCm720196.44  1O  A
1983-01-1714:43 UTCm62610 4.66NGVD291O  A
1983-01-1714:43 UTCm62611 3.56NAVD881O  A
1983-01-1714:43 UTCm720195.34  1O  A
1983-03-2218:39 UTCm62610 4.59NGVD291O  A
1983-03-2218:39 UTCm62611 3.49NAVD881O  A
1983-03-2218:39 UTCm720195.41  1O  A
1983-06-2714:44 UTCm62610 4.34NGVD291O  A
1983-06-2714:44 UTCm62611 3.24NAVD881O  A
1983-06-2714:44 UTCm720195.66  1O  A
1983-09-2013:32 UTCm62610 4.17NGVD291O  A
1983-09-2013:32 UTCm62611 3.07NAVD881O  A
1983-09-2013:32 UTCm720195.83  1O  A
1984-01-0314:57 UTCm62610 5.16NGVD291O  A
1984-01-0314:57 UTCm62611 4.06NAVD881O  A
1984-01-0314:57 UTCm720194.84  1O  A
1984-03-2114:05 UTCm62610 5.31NGVD291O  A
1984-03-2114:05 UTCm62611 4.21NAVD881O  A
1984-03-2114:05 UTCm720194.69  1O  A
1984-06-1213:32 UTCm62610 4.79NGVD291O  A
1984-06-1213:32 UTCm62611 3.69NAVD881O  A
1984-06-1213:32 UTCm720195.21  1O  A
1984-09-1213:41 UTCm62610 4.29NGVD291O  A
1984-09-1213:41 UTCm62611 3.19NAVD881O  A
1984-09-1213:41 UTCm720195.71  1O  A
1984-12-2413:57 UTCm62610 5.31NGVD294O  A
1984-12-2413:57 UTCm62611 4.21NAVD884O  A
1984-12-2413:57 UTCm720194.69  4O  A
1985-03-2513:55 UTCm62610 4.40NGVD294O  A
1985-03-2513:55 UTCm62611 3.30NAVD884O  A
1985-03-2513:55 UTCm720195.60  4O  A
1985-05-0514:46 UTCm62610 4.57NGVD294O  A
1985-05-0514:46 UTCm62611 3.47NAVD884O  A
1985-05-0514:46 UTCm720195.43  4O  A
1985-07-0515:29 UTCm62610 4.84NGVD294O  A
1985-07-0515:29 UTCm62611 3.74NAVD884O  A
1985-07-0515:29 UTCm720195.16  4O  A
1985-09-3014:19 UTCm62610 4.17NGVD294O  A
1985-09-3014:19 UTCm62611 3.07NAVD884O  A
1985-09-3014:19 UTCm720195.83  4O  A
1985-12-1615:32 UTCm62610 4.58NGVD294O  A
1985-12-1615:32 UTCm62611 3.48NAVD884O  A
1985-12-1615:32 UTCm720195.42  4O  A
1986-03-2814:15 UTCm62610 4.71NGVD294O  A
1986-03-2814:15 UTCm62611 3.61NAVD884O  A
1986-03-2814:15 UTCm720195.29  4O  A
1986-06-0515:00 UTCm62610 3.02NGVD291O  A
1986-06-0515:00 UTCm62611 1.92NAVD881O  A
1986-06-0515:00 UTCm720196.98  1O  A
1986-06-2414:25 UTCm62610 4.65NGVD291O  A
1986-06-2414:25 UTCm62611 3.55NAVD881O  A
1986-06-2414:25 UTCm720195.35  1O  A
1986-10-0816:45 UTCm62610 4.45NGVD294O  A
1986-10-0816:45 UTCm62611 3.35NAVD884O  A
1986-10-0816:45 UTCm720195.55  4O  A
1987-01-0516:38 UTCm62610 5.02NGVD294O  A
1987-01-0516:38 UTCm62611 3.92NAVD884O  A
1987-01-0516:38 UTCm720194.98  4O  A
1987-04-0215:10 UTCm62610 4.92NGVD294O  A
1987-04-0215:10 UTCm62611 3.82NAVD884O  A
1987-04-0215:10 UTCm720195.08  4O  A
1987-06-2612:40 UTCm62610 4.29NGVD291O  A
1987-06-2612:40 UTCm62611 3.19NAVD881O  A
1987-06-2612:40 UTCm720195.71  1O  A
1987-11-2414:45 UTCm62610 4.80NGVD294O  A
1987-11-2414:45 UTCm62611 3.70NAVD884O  A
1987-11-2414:45 UTCm720195.20  4O  A
1988-04-0514:53 UTCm62610 4.89NGVD294O  A
1988-04-0514:53 UTCm62611 3.79NAVD884O  A
1988-04-0514:53 UTCm720195.11  4O  A
1991-03-2116:42 UTCm62610 5.58NGVD294O  A
1991-03-2116:42 UTCm62611 4.48NAVD884O  A
1991-03-2116:42 UTCm720194.42  4O  A
1992-03-2517:35 UTCm62610 4.69NGVD294O  A
1992-03-2517:35 UTCm62611 3.59NAVD884O  A
1992-03-2517:35 UTCm720195.31  4O  A
1993-03-2414:34 UTCm62610 5.28NGVD294O  A
1993-03-2414:34 UTCm62611 4.18NAVD884O  A
1993-03-2414:34 UTCm720194.72  4O  A
1994-03-2815:22 UTCm62610 5.42NGVD294O  A
1994-03-2815:22 UTCm62611 4.32NAVD884O  A
1994-03-2815:22 UTCm720194.58  4O  A
1995-03-2116:18 UTCm62610 5.75NGVD294O  A
1995-03-2116:18 UTCm62611 4.65NAVD884O  A
1995-03-2116:18 UTCm720194.25  4O  A
1996-03-1117:27 UTCm62610 5.15NGVD294O  A
1996-03-1117:27 UTCm62611 4.05NAVD884O  A
1996-03-1117:27 UTCm720194.85  4O  A
1997-03-1113:48 UTCm62610 5.96NGVD294O  A
1997-03-1113:48 UTCm62611 4.86NAVD884O  A
1997-03-1113:48 UTCm720194.04  4O  A
1998-03-2018:14 UTCm62610 5.66NGVD294S  A
1998-03-2018:14 UTCm62611 4.56NAVD884S  A
1998-03-2018:14 UTCm720194.34  4S  A

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
StatusThe reported water-level measurement represents a static level
Status1Static
Status4Groundwater level affected by tide
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.