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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 403517073430703 N 6703. 1

Nassau County, New York
Latitude  40°35'17.0", Longitude  73°43'04.5" NAD83
Land-surface elevation 10.0 feet above NGVD29
The depth of the well is 478 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 1.11NGVD29 OUSGSSA
1968-02-02 D62611 0.01NAVD88 OUSGSSA
1968-02-02 D720198.89   OUSGSSA
1968-02-29 D62610 1.27NGVD29 OUSGSSA
1968-02-29 D62611 0.17NAVD88 OUSGSSA
1968-02-29 D720198.73   OUSGSSA
1968-03-29 D62610 0.67NGVD29 OUSGSSA
1968-03-29 D62611 -0.43NAVD88 OUSGSSA
1968-03-29 D720199.33   OUSGSSA
1968-04-30 D62610 1.49NGVD29 OUSGSSA
1968-04-30 D62611 0.39NAVD88 OUSGSSA
1968-04-30 D720198.51   OUSGSSA
1968-05-28 D62610 1.40NGVD29 OUSGSSA
1968-05-28 D62611 0.30NAVD88 OUSGSSA
1968-05-28 D720198.60   OUSGSSA
1968-06-28 D62610 1.17NGVD29 OUSGSSA
1968-06-28 D62611 0.07NAVD88 OUSGSSA
1968-06-28 D720198.83   OUSGSSA
1968-07-30 D62610 0.29NGVD29 OUSGSSA
1968-07-30 D62611 -0.81NAVD88 OUSGSSA
1968-07-30 D720199.71   OUSGSSA
1968-08-30 D62610 1.04NGVD29 OUSGSSA
1968-08-30 D62611 -0.06NAVD88 OUSGSSA
1968-08-30 D720198.96   OUSGSSA
1968-09-30 D62610 0.04NGVD29 OUSGSSA
1968-09-30 D62611 -1.06NAVD88 OUSGSSA
1968-09-30 D720199.96   OUSGSSA
1968-10-30 D62610 0.31NGVD29 OUSGSSA
1968-10-30 D62611 -0.79NAVD88 OUSGSSA
1968-10-30 D720199.69   OUSGSSA
1968-12-02 D62610 0.26NGVD29 OUSGSSA
1968-12-02 D62611 -0.84NAVD88 OUSGSSA
1968-12-02 D720199.74   OUSGSSA
1968-12-31 D62610 0.16NGVD29 OUSGSSA
1968-12-31 D62611 -0.94NAVD88 OUSGSSA
1968-12-31 D720199.84   OUSGSSA
1969-02-05 D62610 0.34NGVD29 OUSGSSA
1969-02-05 D62611 -0.76NAVD88 OUSGSSA
1969-02-05 D720199.66   OUSGSSA
1969-03-03 D62610 1.04NGVD29 OUSGSSA
1969-03-03 D62611 -0.06NAVD88 OUSGSSA
1969-03-03 D720198.96   OUSGSSA
1969-04-02 D62610 0.17NGVD29 OUSGSSA
1969-04-02 D62611 -0.93NAVD88 OUSGSSA
1969-04-02 D720199.83   OUSGSSA
1969-05-02 D62610 0.78NGVD29 OUSGSSA
1969-05-02 D62611 -0.32NAVD88 OUSGSSA
1969-05-02 D720199.22   OUSGSSA
1969-06-02 D62610 1.26NGVD29 OUSGSSA
1969-06-02 D62611 0.16NAVD88 OUSGSSA
1969-06-02 D720198.74   OUSGSSA
1969-06-30 D62610 0.73NGVD29 OUSGSSA
1969-06-30 D62611 -0.37NAVD88 OUSGSSA
1969-06-30 D720199.27   OUSGSSA
1969-08-01 D62610 2.06NGVD29 OUSGSSA
1969-08-01 D62611 0.96NAVD88 OUSGSSA
1969-08-01 D720197.94   OUSGSSA
1969-09-02 D62610 1.02NGVD29 OUSGSSA
1969-09-02 D62611 -0.08NAVD88 OUSGSSA
1969-09-02 D720198.98   OUSGSSA
1969-09-30 D62610 2.14NGVD29 OUSGSSA
1969-09-30 D62611 1.04NAVD88 OUSGSSA
1969-09-30 D720197.86   OUSGSSA
1969-10-31 D62610 1.20NGVD29 OUSGSSA
1969-10-31 D62611 0.10NAVD88 OUSGSSA
1969-10-31 D720198.80   OUSGSSA
1970-01-30 D62610 1.24NGVD29 OUSGSSA
1970-01-30 D62611 0.14NAVD88 OUSGSSA
1970-01-30 D720198.76   OUSGSSA
1970-05-01 D62610 0.05NGVD29 OUSGSSA
1970-05-01 D62611 -1.05NAVD88 OUSGSSA
1970-05-01 D720199.95   OUSGSSA
1970-10-29 D62610 0.21NGVD29 OUSGSSA
1970-10-29 D62611 -0.89NAVD88 OUSGSSA
1970-10-29 D720199.79   OUSGSSA
1970-12-01 D62610 1.81NGVD29 OUSGSSA
1970-12-01 D62611 0.71NAVD88 OUSGSSA
1970-12-01 D720198.19   OUSGSSA
1971-03-12 D62610 0.66NGVD291OUSGSSA
1971-03-12 D62611 -0.44NAVD881OUSGSSA
1971-03-12 D720199.34  1OUSGSSA
1971-10-04 D62610 2.39NGVD29 OUSGSSA
1971-10-04 D62611 1.29NAVD88 OUSGSSA
1971-10-04 D720197.61   OUSGSSA
1971-12-22 D62610 0.95NGVD29 OUSGSSA
1971-12-22 D62611 -0.15NAVD88 OUSGSSA
1971-12-22 D720199.05   OUSGSSA
1972-03-22 D62610 1.82NGVD29 OUSGSSA
1972-03-22 D62611 0.72NAVD88 OUSGSSA
1972-03-22 D720198.18   OUSGSSA
1972-07-31 D62610 0.71NGVD29 OUSGSSA
1972-07-31 D62611 -0.39NAVD88 OUSGSSA
1972-07-31 D720199.29   OUSGSSA
1972-10-04 D62610 -0.42NGVD291OUSGSSA
1972-10-04 D62611 -1.52NAVD881OUSGSSA
1972-10-04 D7201910.42  1OUSGSSA
1972-12-29 D62610 0.80NGVD291OUSGSSA
1972-12-29 D62611 -0.30NAVD881OUSGSSA
1972-12-29 D720199.20  1OUSGSSA
1973-03-19 D62610 0.61NGVD291OUSGSSA
1973-03-19 D62611 -0.49NAVD881OUSGSSA
1973-03-19 D720199.39  1OUSGSSA
1973-04-05 D62610 2.65NGVD291OUSGSSA
1973-04-05 D62611 1.55NAVD881OUSGSSA
1973-04-05 D720197.35  1OUSGSSA
1973-06-19 D62610 1.47NGVD291OUSGSSA
1973-06-19 D62611 0.37NAVD881OUSGSSA
1973-06-19 D720198.53  1OUSGSSA
1973-09-24 D62610 1.30NGVD291OUSGSSA
1973-09-24 D62611 0.20NAVD881OUSGSSA
1973-09-24 D720198.70  1OUSGSSA
1973-12-26 D62610 1.64NGVD291OUSGSSA
1973-12-26 D62611 0.54NAVD881OUSGSSA
1973-12-26 D720198.36  1OUSGSSA
1974-04-10 D62610 1.84NGVD291OUSGSSA
1974-04-10 D62611 0.74NAVD881OUSGSSA
1974-04-10 D720198.16  1OUSGSSA
1974-06-21 D62610 1.75NGVD291OUSGSSA
1974-06-21 D62611 0.65NAVD881OUSGSSA
1974-06-21 D720198.25  1OUSGSSA
1974-10-01 D62610 1.58NGVD291OUSGSSA
1974-10-01 D62611 0.48NAVD881OUSGSSA
1974-10-01 D720198.42  1OUSGSSA
1974-12-19 D62610 1.42NGVD291OUSGSSA
1974-12-19 D62611 0.32NAVD881OUSGSSA
1974-12-19 D720198.58  1OUSGSSA
1975-03-27 D62610 2.49NGVD291OUSGSSA
1975-03-27 D62611 1.39NAVD881OUSGSSA
1975-03-27 D720197.51  1OUSGSSA
1975-06-26 D62610 1.68NGVD291OUSGSSA
1975-06-26 D62611 0.58NAVD881OUSGSSA
1975-06-26 D720198.32  1OUSGSSA
1975-10-07 D62610 1.54NGVD291OUSGSSA
1975-10-07 D62611 0.44NAVD881OUSGSSA
1975-10-07 D720198.46  1OUSGSSA
1975-12-19 D62610 1.75NGVD291OUSGSSA
1975-12-19 D62611 0.65NAVD881OUSGSSA
1975-12-19 D720198.25  1OUSGSSA
1976-03-17 D62610 1.98NGVD291OUSGSSA
1976-03-17 D62611 0.88NAVD881OUSGSSA
1976-03-17 D720198.02  1OUSGSSA
1976-06-29 D62610 1.17NGVD291OUSGSSA
1976-06-29 D62611 0.07NAVD881OUSGSSA
1976-06-29 D720198.83  1OUSGSSA
1976-09-29 D62610 1.92NGVD291OUSGSSA
1976-09-29 D62611 0.82NAVD881OUSGSSA
1976-09-29 D720198.08  1OUSGSSA
1976-12-21 D62610 2.16NGVD291OUSGSSA
1976-12-21 D62611 1.06NAVD881OUSGSSA
1976-12-21 D720197.84  1OUSGSSA
1977-04-18 D62610 1.41NGVD291OUSGSSA
1977-04-18 D62611 0.31NAVD881OUSGSSA
1977-04-18 D720198.59  1OUSGSSA
1977-06-22 D62610 1.21NGVD291OUSGSSA
1977-06-22 D62611 0.11NAVD881OUSGSSA
1977-06-22 D720198.79  1OUSGSSA
1977-09-27 D62610 2.37NGVD291OUSGSSA
1977-09-27 D62611 1.27NAVD881OUSGSSA
1977-09-27 D720197.63  1OUSGSSA
1978-01-10 D62610 1.61NGVD291OUSGSSA
1978-01-10 D62611 0.51NAVD881OUSGSSA
1978-01-10 D720198.39  1OUSGSSA
1978-04-05 D62610 1.94NGVD291OUSGSSA
1978-04-05 D62611 0.84NAVD881OUSGSSA
1978-04-05 D720198.06  1OUSGSSA
1978-06-20 D62610 1.51NGVD291OUSGSSA
1978-06-20 D62611 0.41NAVD881OUSGSSA
1978-06-20 D720198.49  1OUSGSSA
1978-10-02 D62610 1.98NGVD291OUSGSSA
1978-10-02 D62611 0.88NAVD881OUSGSSA
1978-10-02 D720198.02  1OUSGSSA
1978-12-19 D62610 1.16NGVD291OUSGSSA
1978-12-19 D62611 0.06NAVD881OUSGSSA
1978-12-19 D720198.84  1OUSGSSA
1979-02-01 D62610 2.46NGVD291OUSGSSA
1979-02-01 D62611 1.36NAVD881OUSGSSA
1979-02-01 D720197.54  1OUSGSSA
1979-03-16 D62610 2.29NGVD291OUSGSSA
1979-03-16 D62611 1.19NAVD881OUSGSSA
1979-03-16 D720197.71  1OUSGSSA
1979-05-01 D62610 2.44NGVD291OUSGSSA
1979-05-01 D62611 1.34NAVD881OUSGSSA
1979-05-01 D720197.56  1OUSGSSA
1979-06-26 D62610 1.18NGVD291OUSGSSA
1979-06-26 D62611 0.08NAVD881OUSGSSA
1979-06-26 D720198.82  1OUSGSSA
1979-09-19 D62610 0.65NGVD291OUSGSSA
1979-09-19 D62611 -0.45NAVD881OUSGSSA
1979-09-19 D720199.35  1OUSGSSA
1979-12-06 D62610 1.86NGVD291OUSGSSA
1979-12-06 D62611 0.76NAVD881OUSGSSA
1979-12-06 D720198.14  1OUSGSSA
1980-03-17 D62610 0.75NGVD291OUSGSSA
1980-03-17 D62611 -0.35NAVD881OUSGSSA
1980-03-17 D720199.25  1OUSGSSA
1980-06-17 D62610 1.11NGVD291OUSGSSA
1980-06-17 D62611 0.01NAVD881OUSGSSA
1980-06-17 D720198.89  1OUSGSSA
1980-09-22 D62610 0.53NGVD291OUSGSSA
1980-09-22 D62611 -0.57NAVD881OUSGSSA
1980-09-22 D720199.47  1OUSGSSA
1980-12-23 D62610 1.82NGVD291OUSGSSA
1980-12-23 D62611 0.72NAVD881OUSGSSA
1980-12-23 D720198.18  1OUSGSSA
1981-03-26 D62610 1.25NGVD291OUSGSSA
1981-03-26 D62611 0.15NAVD881OUSGSSA
1981-03-26 D720198.75  1OUSGSSA
1981-06-17 D62610 0.98NGVD291OUSGSSA
1981-06-17 D62611 -0.12NAVD881OUSGSSA
1981-06-17 D720199.02  1OUSGSSA
1981-09-14 D62610 1.73NGVD291OUSGSSA
1981-09-14 D62611 0.63NAVD881OUSGSSA
1981-09-14 D720198.27  1OUSGSSA
1981-12-1718:07 UTCm62610 1.23NGVD294OUSGSSA
1981-12-1718:07 UTCm62611 0.13NAVD884OUSGSSA
1981-12-1718:07 UTCm720198.77  4OUSGSSA
1982-03-1518:27 UTCm62610 0.95NGVD294OUSGSSA
1982-03-1518:27 UTCm62611 -0.15NAVD884OUSGSSA
1982-03-1518:27 UTCm720199.05  4OUSGSSA
1982-06-2214:35 UTCm62610 2.29NGVD294OUSGSSA
1982-06-2214:35 UTCm62611 1.19NAVD884OUSGSSA
1982-06-2214:35 UTCm720197.71  4OUSGSSA
1982-09-2119:40 UTCm62610 0.67NGVD294OUSGSSA
1982-09-2119:40 UTCm62611 -0.43NAVD884OUSGSSA
1982-09-2119:40 UTCm720199.33  4OUSGSSA
1982-09-2119:42 UTCm62610 0.67NGVD291OUSGSSA
1982-09-2119:42 UTCm62611 -0.43NAVD881OUSGSSA
1982-09-2119:42 UTCm720199.33  1OUSGSSA
1983-01-1714:41 UTCm62610 1.78NGVD291OUSGSSA
1983-01-1714:41 UTCm62611 0.68NAVD881OUSGSSA
1983-01-1714:41 UTCm720198.22  1OUSGSSA
1983-03-2218:35 UTCm62610 1.73NGVD291OUSGSSA
1983-03-2218:35 UTCm62611 0.63NAVD881OUSGSSA
1983-03-2218:35 UTCm720198.27  1OUSGSSA
1983-06-2714:42 UTCm62610 1.47NGVD291OUSGSSA
1983-06-2714:42 UTCm62611 0.37NAVD881OUSGSSA
1983-06-2714:42 UTCm720198.53  1OUSGSSA
1983-09-2013:30 UTCm62610 1.31NGVD291OUSGSSA
1983-09-2013:30 UTCm62611 0.21NAVD881OUSGSSA
1983-09-2013:30 UTCm720198.69  1OUSGSSA
1984-01-0314:55 UTCm62610 2.11NGVD291OUSGSSA
1984-01-0314:55 UTCm62611 1.01NAVD881OUSGSSA
1984-01-0314:55 UTCm720197.89  1OUSGSSA
1984-03-2114:04 UTCm62610 2.31NGVD291OUSGSSA
1984-03-2114:04 UTCm62611 1.21NAVD881OUSGSSA
1984-03-2114:04 UTCm720197.69  1OUSGSSA
1984-06-1213:30 UTCm62610 1.73NGVD291OUSGSSA
1984-06-1213:30 UTCm62611 0.63NAVD881OUSGSSA
1984-06-1213:30 UTCm720198.27  1OUSGSSA
1984-09-1213:39 UTCm62610 1.32NGVD291OUSGSSA
1984-09-1213:39 UTCm62611 0.22NAVD881OUSGSSA
1984-09-1213:39 UTCm720198.68  1OUSGSSA
1984-12-2413:59 UTCm62610 2.35NGVD294OUSGSSA
1984-12-2413:59 UTCm62611 1.25NAVD884OUSGSSA
1984-12-2413:59 UTCm720197.65  4OUSGSSA
1985-03-2513:56 UTCm62610 1.17NGVD294OUSGSSA
1985-03-2513:56 UTCm62611 0.07NAVD884OUSGSSA
1985-03-2513:56 UTCm720198.83  4OUSGSSA
1985-05-0514:47 UTCm62610 1.22NGVD294OUSGSSA
1985-05-0514:47 UTCm62611 0.12NAVD884OUSGSSA
1985-05-0514:47 UTCm720198.78  4OUSGSSA
1985-07-0515:25 UTCm62610 1.31NGVD294OUSGSSA
1985-07-0515:25 UTCm62611 0.21NAVD884OUSGSSA
1985-07-0515:25 UTCm720198.69  4OUSGSSA
1985-09-3014:20 UTCm62610 0.90NGVD294OUSGSSA
1985-09-3014:20 UTCm62611 -0.20NAVD884OUSGSSA
1985-09-3014:20 UTCm720199.10  4OUSGSSA
1985-12-1615:30 UTCm62610 1.35NGVD294OUSGSSA
1985-12-1615:30 UTCm62611 0.25NAVD884OUSGSSA
1985-12-1615:30 UTCm720198.65  4OUSGSSA
1986-03-2814:10 UTCm62610 1.56NGVD294OUSGSSA
1986-03-2814:10 UTCm62611 0.46NAVD884OUSGSSA
1986-03-2814:10 UTCm720198.44  4OUSGSSA
1986-06-2414:20 UTCm62610 0.97NGVD291OUSGSSA
1986-06-2414:20 UTCm62611 -0.13NAVD881OUSGSSA
1986-06-2414:20 UTCm720199.03  1OUSGSSA
1986-10-0816:40 UTCm62610 1.33NGVD294OUSGSSA
1986-10-0816:40 UTCm62611 0.23NAVD884OUSGSSA
1986-10-0816:40 UTCm720198.67  4OUSGSSA
1987-01-0516:37 UTCm62610 1.95NGVD294OUSGSSA
1987-01-0516:37 UTCm62611 0.85NAVD884OUSGSSA
1987-01-0516:37 UTCm720198.05  4OUSGSSA
1987-04-0215:02 UTCm62610 1.67NGVD294OUSGSSA
1987-04-0215:02 UTCm62611 0.57NAVD884OUSGSSA
1987-04-0215:02 UTCm720198.33  4OUSGSSA
1987-06-2612:35 UTCm62610 1.32NGVD291OUSGSSA
1987-06-2612:35 UTCm62611 0.22NAVD881OUSGSSA
1987-06-2612:35 UTCm720198.68  1OUSGSSA
1987-11-2414:47 UTCm62610 1.86NGVD294OUSGSSA
1987-11-2414:47 UTCm62611 0.76NAVD884OUSGSSA
1987-11-2414:47 UTCm720198.14  4OUSGSSA
1988-04-0514:51 UTCm62610 1.72NGVD294OUSGSSA
1988-04-0514:51 UTCm62611 0.62NAVD884OUSGSSA
1988-04-0514:51 UTCm720198.28  4OUSGSSA
1991-03-2116:40 UTCm62610 2.57NGVD294OUSGSSA
1991-03-2116:40 UTCm62611 1.47NAVD884OUSGSSA
1991-03-2116:40 UTCm720197.43  4OUSGSSA
1992-03-2517:30 UTCm62610 1.64NGVD294OUSGSSA
1992-03-2517:30 UTCm62611 0.54NAVD884OUSGSSA
1992-03-2517:30 UTCm720198.36  4OUSGSSA
1992-06-2218:32 UTCm62610 1.55NGVD294OUSGSSA
1992-06-2218:32 UTCm62611 0.45NAVD884OUSGSSA
1992-06-2218:32 UTCm720198.45  4OUSGSSA
1993-03-2414:33 UTCm62610 2.14NGVD294OUSGSSA
1993-03-2414:33 UTCm62611 1.04NAVD884OUSGSSA
1993-03-2414:33 UTCm720197.86  4OUSGSSA
1994-03-2815:20 UTCm62610 2.15NGVD294OUSGSSA
1994-03-2815:20 UTCm62611 1.05NAVD884OUSGSSA
1994-03-2815:20 UTCm720197.85  4OUSGSSA
1995-03-2116:15 UTCm62610 3.42NGVD294OUSGSSA
1995-03-2116:15 UTCm62611 2.32NAVD884OUSGSSA
1995-03-2116:15 UTCm720196.58  4OUSGSSA
1996-03-1217:25 UTCm62610 1.96NGVD294OUSGSSA
1996-03-1217:25 UTCm62611 0.86NAVD884OUSGSSA
1996-03-1217:25 UTCm720198.04  4OUSGSSA
1997-03-1113:46 UTCm62610 2.79NGVD294OUSGSSA
1997-03-1113:46 UTCm62611 1.69NAVD884OUSGSSA
1997-03-1113:46 UTCm720197.21  4OUSGSSA
1998-03-2018:12 UTCm62610 2.52NGVD294SUSGSSA
1998-03-2018:12 UTCm62611 1.42NAVD884SUSGSSA
1998-03-2018:12 UTCm720197.48  4SUSGSSA
1999-08-1613:08 UTCm62610 0.62NGVD294SUSGSSA
1999-08-1613:08 UTCm62611 -0.48NAVD884SUSGSSA
1999-08-1613:08 UTCm720199.38  4SUSGSSA
1999-08-1915:57 UTCm62610 1.08NGVD294SUSGSSA
1999-08-1915:57 UTCm62611 -0.02NAVD884SUSGSSA
1999-08-1915:57 UTCm720198.92  4SUSGSSA
1999-09-2713:20 UTCm62610 2.27NGVD294SUSGSSA
1999-09-2713:20 UTCm62611 1.17NAVD884SUSGSSA
1999-09-2713:20 UTCm720197.73  4SUSGSSA
1999-10-2613:00 UTCm62610 2.62NGVD294SUSGSSA
1999-10-2613:00 UTCm62611 1.52NAVD884SUSGSSA
1999-10-2613:00 UTCm720197.38  4SUSGSSA
1999-11-2412:15 UTCm62610 2.33NGVD291SUSGSSA
1999-11-2412:15 UTCm62611 1.23NAVD881SUSGSSA
1999-11-2412:15 UTCm720197.67  1SUSGSSA
1999-12-2715:58 UTCm62610 1.98NGVD294SUSGSSA
1999-12-2715:58 UTCm62611 0.88NAVD884SUSGSSA
1999-12-2715:58 UTCm720198.02  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.