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Groundwater levels for the Nation

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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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1968-02-02 D62610 4.43NGVD29 OUSGSSA
1968-02-02 D62611 3.33NAVD88 OUSGSSA
1968-02-02 D720195.57   OUSGSSA
1968-02-29 D62610 4.58NGVD29 OUSGSSA
1968-02-29 D62611 3.48NAVD88 OUSGSSA
1968-02-29 D720195.42   OUSGSSA
1968-03-29 D62610 3.86NGVD29 OUSGSSA
1968-03-29 D62611 2.76NAVD88 OUSGSSA
1968-03-29 D720196.14   OUSGSSA
1968-04-30 D62610 4.68NGVD29 OUSGSSA
1968-04-30 D62611 3.58NAVD88 OUSGSSA
1968-04-30 D720195.32   OUSGSSA
1968-05-28 D62610 4.62NGVD29 OUSGSSA
1968-05-28 D62611 3.52NAVD88 OUSGSSA
1968-05-28 D720195.38   OUSGSSA
1968-06-28 D62610 4.41NGVD29 OUSGSSA
1968-06-28 D62611 3.31NAVD88 OUSGSSA
1968-06-28 D720195.59   OUSGSSA
1968-07-30 D62610 3.55NGVD29 OUSGSSA
1968-07-30 D62611 2.45NAVD88 OUSGSSA
1968-07-30 D720196.45   OUSGSSA
1968-08-30 D62610 4.26NGVD29 OUSGSSA
1968-08-30 D62611 3.16NAVD88 OUSGSSA
1968-08-30 D720195.74   OUSGSSA
1968-09-30 D62610 3.20NGVD29 OUSGSSA
1968-09-30 D62611 2.10NAVD88 OUSGSSA
1968-09-30 D720196.80   OUSGSSA
1968-10-30 D62610 3.48NGVD29 OUSGSSA
1968-10-30 D62611 2.38NAVD88 OUSGSSA
1968-10-30 D720196.52   OUSGSSA
1968-12-02 D62610 3.43NGVD29 OUSGSSA
1968-12-02 D62611 2.33NAVD88 OUSGSSA
1968-12-02 D720196.57   OUSGSSA
1968-12-31 D62610 3.37NGVD29 OUSGSSA
1968-12-31 D62611 2.27NAVD88 OUSGSSA
1968-12-31 D720196.63   OUSGSSA
1969-02-05 D62610 3.49NGVD29 OUSGSSA
1969-02-05 D62611 2.39NAVD88 OUSGSSA
1969-02-05 D720196.51   OUSGSSA
1969-03-03 D62610 4.11NGVD29 OUSGSSA
1969-03-03 D62611 3.01NAVD88 OUSGSSA
1969-03-03 D720195.89   OUSGSSA
1969-04-02 D62610 3.30NGVD29 OUSGSSA
1969-04-02 D62611 2.20NAVD88 OUSGSSA
1969-04-02 D720196.70   OUSGSSA
1969-05-02 D62610 3.95NGVD29 OUSGSSA
1969-05-02 D62611 2.85NAVD88 OUSGSSA
1969-05-02 D720196.05   OUSGSSA
1969-06-02 D62610 3.28NGVD29 OUSGSSA
1969-06-02 D62611 2.18NAVD88 OUSGSSA
1969-06-02 D720196.72   OUSGSSA
1969-06-30 D62610 3.75NGVD29 OUSGSSA
1969-06-30 D62611 2.65NAVD88 OUSGSSA
1969-06-30 D720196.25   OUSGSSA
1969-08-01 D62610 5.13NGVD29 OUSGSSA
1969-08-01 D62611 4.03NAVD88 OUSGSSA
1969-08-01 D720194.87   OUSGSSA
1969-09-02 D62610 4.06NGVD29 OUSGSSA
1969-09-02 D62611 2.96NAVD88 OUSGSSA
1969-09-02 D720195.94   OUSGSSA
1969-09-30 D62610 5.20NGVD29 OUSGSSA
1969-09-30 D62611 4.10NAVD88 OUSGSSA
1969-09-30 D720194.80   OUSGSSA
1969-10-31 D62610 4.38NGVD29 OUSGSSA
1969-10-31 D62611 3.28NAVD88 OUSGSSA
1969-10-31 D720195.62   OUSGSSA
1970-01-30 D62610 4.30NGVD29 OUSGSSA
1970-01-30 D62611 3.20NAVD88 OUSGSSA
1970-01-30 D720195.70   OUSGSSA
1970-05-01 D62610 3.00NGVD29 OUSGSSA
1970-05-01 D62611 1.90NAVD88 OUSGSSA
1970-05-01 D720197.00   OUSGSSA
1970-10-29 D62610 3.40NGVD29 OUSGSSA
1970-10-29 D62611 2.30NAVD88 OUSGSSA
1970-10-29 D720196.60   OUSGSSA
1970-12-01 D62610 5.01NGVD29 OUSGSSA
1970-12-01 D62611 3.91NAVD88 OUSGSSA
1970-12-01 D720194.99   OUSGSSA
1971-03-12 D62610 3.79NGVD29 OUSGSSA
1971-03-12 D62611 2.69NAVD88 OUSGSSA
1971-03-12 D720196.21   OUSGSSA
1971-10-04 D62610 5.45NGVD29 OUSGSSA
1971-10-04 D62611 4.35NAVD88 OUSGSSA
1971-10-04 D720194.55   OUSGSSA
1971-12-22 D62610 4.33NGVD29 OUSGSSA
1971-12-22 D62611 3.23NAVD88 OUSGSSA
1971-12-22 D720195.67   OUSGSSA
1972-03-22 D62610 3.99NGVD29 OUSGSSA
1972-03-22 D62611 2.89NAVD88 OUSGSSA
1972-03-22 D720196.01   OUSGSSA
1972-07-18 D62610 4.68NGVD291OUSGSSA
1972-07-18 D62611 3.58NAVD881OUSGSSA
1972-07-18 D720195.32  1OUSGSSA
1972-10-04 D62610 2.85NGVD291OUSGSSA
1972-10-04 D62611 1.75NAVD881OUSGSSA
1972-10-04 D720197.15  1OUSGSSA
1972-12-29 D62610 4.01NGVD291OUSGSSA
1972-12-29 D62611 2.91NAVD881OUSGSSA
1972-12-29 D720195.99  1OUSGSSA
1973-03-19 D62610 3.86NGVD291OUSGSSA
1973-03-19 D62611 2.76NAVD881OUSGSSA
1973-03-19 D720196.14  1OUSGSSA
1973-04-05 D62610 5.81NGVD291OUSGSSA
1973-04-05 D62611 4.71NAVD881OUSGSSA
1973-04-05 D720194.19  1OUSGSSA
1973-06-19 D62610 5.62NGVD291OUSGSSA
1973-06-19 D62611 4.52NAVD881OUSGSSA
1973-06-19 D720194.38  1OUSGSSA
1973-09-25 D62610 4.47NGVD291OUSGSSA
1973-09-25 D62611 3.37NAVD881OUSGSSA
1973-09-25 D720195.53  1OUSGSSA
1973-12-26 D62610 4.79NGVD291OUSGSSA
1973-12-26 D62611 3.69NAVD881OUSGSSA
1973-12-26 D720195.21  1OUSGSSA
1974-04-10 D62610 4.87NGVD291OUSGSSA
1974-04-10 D62611 3.77NAVD881OUSGSSA
1974-04-10 D720195.13  1OUSGSSA
1974-06-21 D62610 4.95NGVD291OUSGSSA
1974-06-21 D62611 3.85NAVD881OUSGSSA
1974-06-21 D720195.05  1OUSGSSA
1974-10-01 D62610 4.71NGVD291OUSGSSA
1974-10-01 D62611 3.61NAVD881OUSGSSA
1974-10-01 D720195.29  1OUSGSSA
1974-12-19 D62610 4.75NGVD291OUSGSSA
1974-12-19 D62611 3.65NAVD881OUSGSSA
1974-12-19 D720195.25  1OUSGSSA
1975-03-27 D62610 4.83NGVD291OUSGSSA
1975-03-27 D62611 3.73NAVD881OUSGSSA
1975-03-27 D720195.17  1OUSGSSA
1975-06-26 D62610 4.72NGVD291OUSGSSA
1975-06-26 D62611 3.62NAVD881OUSGSSA
1975-06-26 D720195.28  1OUSGSSA
1975-10-07 D62610 4.95NGVD291OUSGSSA
1975-10-07 D62611 3.85NAVD881OUSGSSA
1975-10-07 D720195.05  1OUSGSSA
1975-12-19 D62610 5.25NGVD291OUSGSSA
1975-12-19 D62611 4.15NAVD881OUSGSSA
1975-12-19 D720194.75  1OUSGSSA
1976-03-17 D62610 5.02NGVD291OUSGSSA
1976-03-17 D62611 3.92NAVD881OUSGSSA
1976-03-17 D720194.98  1OUSGSSA
1976-06-29 D62610 4.16NGVD291OUSGSSA
1976-06-29 D62611 3.06NAVD881OUSGSSA
1976-06-29 D720195.84  1OUSGSSA
1976-09-29 D62610 4.90NGVD291OUSGSSA
1976-09-29 D62611 3.80NAVD881OUSGSSA
1976-09-29 D720195.10  1OUSGSSA
1976-12-21 D62610 5.18NGVD291OUSGSSA
1976-12-21 D62611 4.08NAVD881OUSGSSA
1976-12-21 D720194.82  1OUSGSSA
1977-04-18 D62610 4.46NGVD291OUSGSSA
1977-04-18 D62611 3.36NAVD881OUSGSSA
1977-04-18 D720195.54  1OUSGSSA
1977-06-22 D62610 4.10NGVD291OUSGSSA
1977-06-22 D62611 3.00NAVD881OUSGSSA
1977-06-22 D720195.90  1OUSGSSA
1977-09-27 D62610 5.35NGVD291OUSGSSA
1977-09-27 D62611 4.25NAVD881OUSGSSA
1977-09-27 D720194.65  1OUSGSSA
1978-01-10 D62610 4.64NGVD291OUSGSSA
1978-01-10 D62611 3.54NAVD881OUSGSSA
1978-01-10 D720195.36  1OUSGSSA
1978-04-05 D62610 5.15NGVD291OUSGSSA
1978-04-05 D62611 4.05NAVD881OUSGSSA
1978-04-05 D720194.85  1OUSGSSA
1978-06-20 D62610 4.52NGVD291OUSGSSA
1978-06-20 D62611 3.42NAVD881OUSGSSA
1978-06-20 D720195.48  1OUSGSSA
1978-10-02 D62610 4.92NGVD291OUSGSSA
1978-10-02 D62611 3.82NAVD881OUSGSSA
1978-10-02 D720195.08  1OUSGSSA
1978-12-19 D62610 4.15NGVD291OUSGSSA
1978-12-19 D62611 3.05NAVD881OUSGSSA
1978-12-19 D720195.85  1OUSGSSA
1979-02-01 D62610 5.75NGVD291OUSGSSA
1979-02-01 D62611 4.65NAVD881OUSGSSA
1979-02-01 D720194.25  1OUSGSSA
1979-03-16 D62610 6.25NGVD291OUSGSSA
1979-03-16 D62611 5.15NAVD881OUSGSSA
1979-03-16 D720193.75  1OUSGSSA
1979-05-01 D62610 5.95NGVD291OUSGSSA
1979-05-01 D62611 4.85NAVD881OUSGSSA
1979-05-01 D720194.05  1OUSGSSA
1979-06-26 D62610 4.20NGVD291OUSGSSA
1979-06-26 D62611 3.10NAVD881OUSGSSA
1979-06-26 D720195.80  1OUSGSSA
1979-09-19 D62610 3.75NGVD291OUSGSSA
1979-09-19 D62611 2.65NAVD881OUSGSSA
1979-09-19 D720196.25  1OUSGSSA
1979-12-06 D62610 4.91NGVD291OUSGSSA
1979-12-06 D62611 3.81NAVD881OUSGSSA
1979-12-06 D720195.09  1OUSGSSA
1980-03-17 D62610 3.82NGVD291OUSGSSA
1980-03-17 D62611 2.72NAVD881OUSGSSA
1980-03-17 D720196.18  1OUSGSSA
1980-06-17 D62610 4.18NGVD291OUSGSSA
1980-06-17 D62611 3.08NAVD881OUSGSSA
1980-06-17 D720195.82  1OUSGSSA
1980-09-22 D62610 3.52NGVD291OUSGSSA
1980-09-22 D62611 2.42NAVD881OUSGSSA
1980-09-22 D720196.48  1OUSGSSA
1980-12-23 D62610 4.73NGVD291OUSGSSA
1980-12-23 D62611 3.63NAVD881OUSGSSA
1980-12-23 D720195.27  1OUSGSSA
1981-03-26 D62610 4.16NGVD291OUSGSSA
1981-03-26 D62611 3.06NAVD881OUSGSSA
1981-03-26 D720195.84  1OUSGSSA
1981-06-17 D62610 3.91NGVD291OUSGSSA
1981-06-17 D62611 2.81NAVD881OUSGSSA
1981-06-17 D720196.09  1OUSGSSA
1981-09-14 D62610 4.68NGVD291OUSGSSA
1981-09-14 D62611 3.58NAVD881OUSGSSA
1981-09-14 D720195.32  1OUSGSSA
1981-12-1718:09 UTCm62610 4.15NGVD294OUSGSSA
1981-12-1718:09 UTCm62611 3.05NAVD884OUSGSSA
1981-12-1718:09 UTCm720195.85  4OUSGSSA
1982-03-1518:29 UTCm62610 3.85NGVD294OUSGSSA
1982-03-1518:29 UTCm62611 2.75NAVD884OUSGSSA
1982-03-1518:29 UTCm720196.15  4OUSGSSA
1982-06-2214:33 UTCm62610 5.19NGVD294OUSGSSA
1982-06-2214:33 UTCm62611 4.09NAVD884OUSGSSA
1982-06-2214:33 UTCm720194.81  4OUSGSSA
1982-06-2214:34 UTCm62610 5.19NGVD294OUSGSSA
1982-06-2214:34 UTCm62611 4.09NAVD884OUSGSSA
1982-06-2214:34 UTCm720194.81  4OUSGSSA
1982-09-2119:43 UTCm62610 3.56NGVD291OUSGSSA
1982-09-2119:43 UTCm62611 2.46NAVD881OUSGSSA
1982-09-2119:43 UTCm720196.44  1OUSGSSA
1983-01-1714:43 UTCm62610 4.66NGVD291OUSGSSA
1983-01-1714:43 UTCm62611 3.56NAVD881OUSGSSA
1983-01-1714:43 UTCm720195.34  1OUSGSSA
1983-03-2218:39 UTCm62610 4.59NGVD291OUSGSSA
1983-03-2218:39 UTCm62611 3.49NAVD881OUSGSSA
1983-03-2218:39 UTCm720195.41  1OUSGSSA
1983-06-2714:44 UTCm62610 4.34NGVD291OUSGSSA
1983-06-2714:44 UTCm62611 3.24NAVD881OUSGSSA
1983-06-2714:44 UTCm720195.66  1OUSGSSA
1983-09-2013:32 UTCm62610 4.17NGVD291OUSGSSA
1983-09-2013:32 UTCm62611 3.07NAVD881OUSGSSA
1983-09-2013:32 UTCm720195.83  1OUSGSSA
1984-01-0314:57 UTCm62610 5.16NGVD291OUSGSSA
1984-01-0314:57 UTCm62611 4.06NAVD881OUSGSSA
1984-01-0314:57 UTCm720194.84  1OUSGSSA
1984-03-2114:05 UTCm62610 5.31NGVD291OUSGSSA
1984-03-2114:05 UTCm62611 4.21NAVD881OUSGSSA
1984-03-2114:05 UTCm720194.69  1OUSGSSA
1984-06-1213:32 UTCm62610 4.79NGVD291OUSGSSA
1984-06-1213:32 UTCm62611 3.69NAVD881OUSGSSA
1984-06-1213:32 UTCm720195.21  1OUSGSSA
1984-09-1213:41 UTCm62610 4.29NGVD291OUSGSSA
1984-09-1213:41 UTCm62611 3.19NAVD881OUSGSSA
1984-09-1213:41 UTCm720195.71  1OUSGSSA
1984-12-2413:57 UTCm62610 5.31NGVD294OUSGSSA
1984-12-2413:57 UTCm62611 4.21NAVD884OUSGSSA
1984-12-2413:57 UTCm720194.69  4OUSGSSA
1985-03-2513:55 UTCm62610 4.40NGVD294OUSGSSA
1985-03-2513:55 UTCm62611 3.30NAVD884OUSGSSA
1985-03-2513:55 UTCm720195.60  4OUSGSSA
1985-05-0514:46 UTCm62610 4.57NGVD294OUSGSSA
1985-05-0514:46 UTCm62611 3.47NAVD884OUSGSSA
1985-05-0514:46 UTCm720195.43  4OUSGSSA
1985-07-0515:29 UTCm62610 4.84NGVD294OUSGSSA
1985-07-0515:29 UTCm62611 3.74NAVD884OUSGSSA
1985-07-0515:29 UTCm720195.16  4OUSGSSA
1985-09-3014:19 UTCm62610 4.17NGVD294OUSGSSA
1985-09-3014:19 UTCm62611 3.07NAVD884OUSGSSA
1985-09-3014:19 UTCm720195.83  4OUSGSSA
1985-12-1615:32 UTCm62610 4.58NGVD294OUSGSSA
1985-12-1615:32 UTCm62611 3.48NAVD884OUSGSSA
1985-12-1615:32 UTCm720195.42  4OUSGSSA
1986-03-2814:15 UTCm62610 4.71NGVD294OUSGSSA
1986-03-2814:15 UTCm62611 3.61NAVD884OUSGSSA
1986-03-2814:15 UTCm720195.29  4OUSGSSA
1986-06-0515:00 UTCm62610 3.02NGVD291OUSGSSA
1986-06-0515:00 UTCm62611 1.92NAVD881OUSGSSA
1986-06-0515:00 UTCm720196.98  1OUSGSSA
1986-06-2414:25 UTCm62610 4.65NGVD291OUSGSSA
1986-06-2414:25 UTCm62611 3.55NAVD881OUSGSSA
1986-06-2414:25 UTCm720195.35  1OUSGSSA
1986-10-0816:45 UTCm62610 4.45NGVD294OUSGSSA
1986-10-0816:45 UTCm62611 3.35NAVD884OUSGSSA
1986-10-0816:45 UTCm720195.55  4OUSGSSA
1987-01-0516:38 UTCm62610 5.02NGVD294OUSGSSA
1987-01-0516:38 UTCm62611 3.92NAVD884OUSGSSA
1987-01-0516:38 UTCm720194.98  4OUSGSSA
1987-04-0215:10 UTCm62610 4.92NGVD294OUSGSSA
1987-04-0215:10 UTCm62611 3.82NAVD884OUSGSSA
1987-04-0215:10 UTCm720195.08  4OUSGSSA
1987-06-2612:40 UTCm62610 4.29NGVD291OUSGSSA
1987-06-2612:40 UTCm62611 3.19NAVD881OUSGSSA
1987-06-2612:40 UTCm720195.71  1OUSGSSA
1987-11-2414:45 UTCm62610 4.80NGVD294OUSGSSA
1987-11-2414:45 UTCm62611 3.70NAVD884OUSGSSA
1987-11-2414:45 UTCm720195.20  4OUSGSSA
1988-04-0514:53 UTCm62610 4.89NGVD294OUSGSSA
1988-04-0514:53 UTCm62611 3.79NAVD884OUSGSSA
1988-04-0514:53 UTCm720195.11  4OUSGSSA
1991-03-2116:42 UTCm62610 5.58NGVD294OUSGSSA
1991-03-2116:42 UTCm62611 4.48NAVD884OUSGSSA
1991-03-2116:42 UTCm720194.42  4OUSGSSA
1992-03-2517:35 UTCm62610 4.69NGVD294OUSGSSA
1992-03-2517:35 UTCm62611 3.59NAVD884OUSGSSA
1992-03-2517:35 UTCm720195.31  4OUSGSSA
1993-03-2414:34 UTCm62610 5.28NGVD294OUSGSSA
1993-03-2414:34 UTCm62611 4.18NAVD884OUSGSSA
1993-03-2414:34 UTCm720194.72  4OUSGSSA
1994-03-2815:22 UTCm62610 5.42NGVD294OUSGSSA
1994-03-2815:22 UTCm62611 4.32NAVD884OUSGSSA
1994-03-2815:22 UTCm720194.58  4OUSGSSA
1995-03-2116:18 UTCm62610 5.75NGVD294OUSGSSA
1995-03-2116:18 UTCm62611 4.65NAVD884OUSGSSA
1995-03-2116:18 UTCm720194.25  4OUSGSSA
1996-03-1117:27 UTCm62610 5.15NGVD294OUSGSSA
1996-03-1117:27 UTCm62611 4.05NAVD884OUSGSSA
1996-03-1117:27 UTCm720194.85  4OUSGSSA
1997-03-1113:48 UTCm62610 5.96NGVD294OUSGSSA
1997-03-1113:48 UTCm62611 4.86NAVD884OUSGSSA
1997-03-1113:48 UTCm720194.04  4OUSGSSA
1998-03-2018:14 UTCm62610 5.66NGVD294SUSGSSA
1998-03-2018:14 UTCm62611 4.56NAVD884SUSGSSA
1998-03-2018:14 UTCm720194.34  4SUSGSSA

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 agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.