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Groundwater levels for the Nation

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USGS 403533073353203 N 6851. 1

Nassau County, New York
Latitude  40°35'34.1", Longitude  73°35'33.1" NAD83
Land-surface elevation 7.0 feet above NGVD29
The depth of the well is 559 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 6.13NGVD29 OUSGSSA
1968-02-02 D62611 4.98NAVD88 OUSGSSA
1968-02-02 D720190.87   OUSGSSA
1968-02-29 D62610 6.13NGVD29 OUSGSSA
1968-02-29 D62611 4.98NAVD88 OUSGSSA
1968-02-29 D720190.87   OUSGSSA
1968-03-29 D62610 5.85NGVD29 OUSGSSA
1968-03-29 D62611 4.70NAVD88 OUSGSSA
1968-03-29 D720191.15   OUSGSSA
1968-04-30 D62610 5.61NGVD29 OUSGSSA
1968-04-30 D62611 4.46NAVD88 OUSGSSA
1968-04-30 D720191.39   OUSGSSA
1968-05-28 D62610 5.61NGVD29 OUSGSSA
1968-05-28 D62611 4.46NAVD88 OUSGSSA
1968-05-28 D720191.39   OUSGSSA
1968-06-28 D62610 5.72NGVD29 OUSGSSA
1968-06-28 D62611 4.57NAVD88 OUSGSSA
1968-06-28 D720191.28   OUSGSSA
1968-07-30 D62610 4.71NGVD29 OUSGSSA
1968-07-30 D62611 3.56NAVD88 OUSGSSA
1968-07-30 D720192.29   OUSGSSA
1968-08-30 D62610 4.88NGVD29 OUSGSSA
1968-08-30 D62611 3.73NAVD88 OUSGSSA
1968-08-30 D720192.12   OUSGSSA
1968-09-30 D62610 3.84NGVD29 OUSGSSA
1968-09-30 D62611 2.69NAVD88 OUSGSSA
1968-09-30 D720193.16   OUSGSSA
1968-10-30 D62610 4.19NGVD29 OUSGSSA
1968-10-30 D62611 3.04NAVD88 OUSGSSA
1968-10-30 D720192.81   OUSGSSA
1968-12-02 D62610 4.49NGVD29 OUSGSSA
1968-12-02 D62611 3.34NAVD88 OUSGSSA
1968-12-02 D720192.51   OUSGSSA
1968-12-31 D62610 4.78NGVD29 OUSGSSA
1968-12-31 D62611 3.63NAVD88 OUSGSSA
1968-12-31 D720192.22   OUSGSSA
1969-03-03 D62610 5.22NGVD29 OUSGSSA
1969-03-03 D62611 4.07NAVD88 OUSGSSA
1969-03-03 D720191.78   OUSGSSA
1969-05-02 D62610 5.43NGVD29 OUSGSSA
1969-05-02 D62611 4.28NAVD88 OUSGSSA
1969-05-02 D720191.57   OUSGSSA
1969-06-02 D62610 5.57NGVD29 OUSGSSA
1969-06-02 D62611 4.42NAVD88 OUSGSSA
1969-06-02 D720191.43   OUSGSSA
1969-06-30 D62610 4.99NGVD29 OUSGSSA
1969-06-30 D62611 3.84NAVD88 OUSGSSA
1969-06-30 D720192.01   OUSGSSA
1969-08-01 D62610 4.88NGVD29 OUSGSSA
1969-08-01 D62611 3.73NAVD88 OUSGSSA
1969-08-01 D720192.12   OUSGSSA
1969-09-02 D62610 4.16NGVD29 OUSGSSA
1969-09-02 D62611 3.01NAVD88 OUSGSSA
1969-09-02 D720192.84   OUSGSSA
1969-09-30 D62610 5.53NGVD29 OUSGSSA
1969-09-30 D62611 4.38NAVD88 OUSGSSA
1969-09-30 D720191.47   OUSGSSA
1969-10-31 D62610 5.19NGVD29 OUSGSSA
1969-10-31 D62611 4.04NAVD88 OUSGSSA
1969-10-31 D720191.81   OUSGSSA
1970-01-30 D62610 4.83NGVD29 OUSGSSA
1970-01-30 D62611 3.68NAVD88 OUSGSSA
1970-01-30 D720192.17   OUSGSSA
1970-05-01 D62610 4.28NGVD29 OUSGSSA
1970-05-01 D62611 3.13NAVD88 OUSGSSA
1970-05-01 D720192.72   OUSGSSA
1970-07-27 D62610 4.42NGVD29 OUSGSSA
1970-07-27 D62611 3.27NAVD88 OUSGSSA
1970-07-27 D720192.58   OUSGSSA
1970-11-03 D62610 4.72NGVD29 OUSGSSA
1970-11-03 D62611 3.57NAVD88 OUSGSSA
1970-11-03 D720192.28   OUSGSSA
1971-03-12 D62610 5.11NGVD29 OUSGSSA
1971-03-12 D62611 3.96NAVD88 OUSGSSA
1971-03-12 D720191.89   OUSGSSA
1971-10-08 D62610 5.36NGVD29 OUSGSSA
1971-10-08 D62611 4.21NAVD88 OUSGSSA
1971-10-08 D720191.64   OUSGSSA
1971-12-22 D62610 4.94NGVD29 OUSGSSA
1971-12-22 D62611 3.79NAVD88 OUSGSSA
1971-12-22 D720192.06   OUSGSSA
1972-03-22 D62610 5.94NGVD29 OUSGSSA
1972-03-22 D62611 4.79NAVD88 OUSGSSA
1972-03-22 D720191.06   OUSGSSA
1972-07-18 D62610 5.38NGVD291OUSGSSA
1972-07-18 D62611 4.23NAVD881OUSGSSA
1972-07-18 D720191.62  1OUSGSSA
1972-10-04 D62610 4.04NGVD291OUSGSSA
1972-10-04 D62611 2.89NAVD881OUSGSSA
1972-10-04 D720192.96  1OUSGSSA
1972-12-29 D62610 4.75NGVD291OUSGSSA
1972-12-29 D62611 3.60NAVD881OUSGSSA
1972-12-29 D720192.25  1OUSGSSA
1973-03-19 D62610 5.37NGVD291OUSGSSA
1973-03-19 D62611 4.22NAVD881OUSGSSA
1973-03-19 D720191.63  1OUSGSSA
1973-06-19 D62610 5.48NGVD291OUSGSSA
1973-06-19 D62611 4.33NAVD881OUSGSSA
1973-06-19 D720191.52  1OUSGSSA
1973-09-25 D62610 5.13NGVD291OUSGSSA
1973-09-25 D62611 3.98NAVD881OUSGSSA
1973-09-25 D720191.87  1OUSGSSA
1973-12-26 D62610 5.22NGVD291OUSGSSA
1973-12-26 D62611 4.07NAVD881OUSGSSA
1973-12-26 D720191.78  1OUSGSSA
1974-04-10 D62610 5.67NGVD291OUSGSSA
1974-04-10 D62611 4.52NAVD881OUSGSSA
1974-04-10 D720191.33  1OUSGSSA
1974-06-21 D62610 6.02NGVD291OUSGSSA
1974-06-21 D62611 4.87NAVD881OUSGSSA
1974-06-21 D720190.98  1OUSGSSA
1974-07-09 D62610 5.11NGVD291OUSGSSA
1974-07-09 D62611 3.96NAVD881OUSGSSA
1974-07-09 D720191.89  1OUSGSSA
1974-10-01 D62610 5.12NGVD291OUSGSSA
1974-10-01 D62611 3.97NAVD881OUSGSSA
1974-10-01 D720191.88  1OUSGSSA
1974-12-19 D62610 5.05NGVD291OUSGSSA
1974-12-19 D62611 3.90NAVD881OUSGSSA
1974-12-19 D720191.95  1OUSGSSA
1975-03-27 D62610 5.39NGVD291OUSGSSA
1975-03-27 D62611 4.24NAVD881OUSGSSA
1975-03-27 D720191.61  1OUSGSSA
1975-06-26 D62610 5.54NGVD291OUSGSSA
1975-06-26 D62611 4.39NAVD881OUSGSSA
1975-06-26 D720191.46  1OUSGSSA
1975-10-07 D62610 5.70NGVD291OUSGSSA
1975-10-07 D62611 4.55NAVD881OUSGSSA
1975-10-07 D720191.30  1OUSGSSA
1975-12-19 D62610 6.11NGVD291OUSGSSA
1975-12-19 D62611 4.96NAVD881OUSGSSA
1975-12-19 D720190.89  1OUSGSSA
1976-03-17 D62610 5.73NGVD291OUSGSSA
1976-03-17 D62611 4.58NAVD881OUSGSSA
1976-03-17 D720191.27  1OUSGSSA
1976-06-29 D62610 4.65NGVD291OUSGSSA
1976-06-29 D62611 3.50NAVD881OUSGSSA
1976-06-29 D720192.35  1OUSGSSA
1976-09-29 D62610 5.29NGVD291OUSGSSA
1976-09-29 D62611 4.14NAVD881OUSGSSA
1976-09-29 D720191.71  1OUSGSSA
1976-12-21 D62610 3.93NGVD291OUSGSSA
1976-12-21 D62611 2.78NAVD881OUSGSSA
1976-12-21 D720193.07  1OUSGSSA
1977-04-08 D62610 5.10NGVD291OUSGSSA
1977-04-08 D62611 3.95NAVD881OUSGSSA
1977-04-08 D720191.90  1OUSGSSA
1977-06-22 D62610 4.81NGVD291OUSGSSA
1977-06-22 D62611 3.66NAVD881OUSGSSA
1977-06-22 D720192.19  1OUSGSSA
1977-09-27 D62610 5.53NGVD291OUSGSSA
1977-09-27 D62611 4.38NAVD881OUSGSSA
1977-09-27 D720191.47  1OUSGSSA
1978-01-10 D62610 5.24NGVD291OUSGSSA
1978-01-10 D62611 4.09NAVD881OUSGSSA
1978-01-10 D720191.76  1OUSGSSA
1978-04-04 D62610 6.15NGVD291OUSGSSA
1978-04-04 D62611 5.00NAVD881OUSGSSA
1978-04-04 D720190.85  1OUSGSSA
1978-06-20 D62610 5.28NGVD291OUSGSSA
1978-06-20 D62611 4.13NAVD881OUSGSSA
1978-06-20 D720191.72  1OUSGSSA
1978-10-02 D62610 5.38NGVD291OUSGSSA
1978-10-02 D62611 4.23NAVD881OUSGSSA
1978-10-02 D720191.62  1OUSGSSA
1978-12-19 D62610 4.73NGVD291OUSGSSA
1978-12-19 D62611 3.58NAVD881OUSGSSA
1978-12-19 D720192.27  1OUSGSSA
1979-02-01 D62610 6.16NGVD291OUSGSSA
1979-02-01 D62611 5.01NAVD881OUSGSSA
1979-02-01 D720190.84  1OUSGSSA
1979-03-16 D62610 6.20NGVD291OUSGSSA
1979-03-16 D62611 5.05NAVD881OUSGSSA
1979-03-16 D720190.80  1OUSGSSA
1979-05-01 D62610 5.91NGVD291OUSGSSA
1979-05-01 D62611 4.76NAVD881OUSGSSA
1979-05-01 D720191.09  1OUSGSSA
1979-06-26 D62610 5.23NGVD291OUSGSSA
1979-06-26 D62611 4.08NAVD881OUSGSSA
1979-06-26 D720191.77  1OUSGSSA
1979-09-19 D62610 4.54NGVD291OUSGSSA
1979-09-19 D62611 3.39NAVD881OUSGSSA
1979-09-19 D720192.46  1OUSGSSA
1979-12-06 D62610 4.68NGVD291OUSGSSA
1979-12-06 D62611 3.53NAVD881OUSGSSA
1979-12-06 D720192.32  1OUSGSSA
1980-03-17 D62610 4.74NGVD291OUSGSSA
1980-03-17 D62611 3.59NAVD881OUSGSSA
1980-03-17 D720192.26  1OUSGSSA
1980-06-17 D62610 5.22NGVD291OUSGSSA
1980-06-17 D62611 4.07NAVD881OUSGSSA
1980-06-17 D720191.78  1OUSGSSA
1980-09-22 D62610 4.13NGVD291OUSGSSA
1980-09-22 D62611 2.98NAVD881OUSGSSA
1980-09-22 D720192.87  1OUSGSSA
1980-12-23 D62610 5.34NGVD291OUSGSSA
1980-12-23 D62611 4.19NAVD881OUSGSSA
1980-12-23 D720191.66  1OUSGSSA
1981-03-26 D62610 4.96NGVD291OUSGSSA
1981-03-26 D62611 3.81NAVD881OUSGSSA
1981-03-26 D720192.04  1OUSGSSA
1981-06-17 D62610 4.68NGVD291OUSGSSA
1981-06-17 D62611 3.53NAVD881OUSGSSA
1981-06-17 D720192.32  1OUSGSSA
1981-09-14 D62610 4.90NGVD291OUSGSSA
1981-09-14 D62611 3.75NAVD881OUSGSSA
1981-09-14 D720192.10  1OUSGSSA
1981-12-1717:37 UTCm62610 4.62NGVD294OUSGSSA
1981-12-1717:37 UTCm62611 3.47NAVD884OUSGSSA
1981-12-1717:37 UTCm720192.38  4OUSGSSA
1982-03-1518:00 UTCm62610 4.83NGVD294OUSGSSA
1982-03-1518:00 UTCm62611 3.68NAVD884OUSGSSA
1982-03-1518:00 UTCm720192.17  4OUSGSSA
1982-06-2214:10 UTCm62610 5.79NGVD294OUSGSSA
1982-06-2214:10 UTCm62611 4.64NAVD884OUSGSSA
1982-06-2214:10 UTCm720191.21  4OUSGSSA
1982-09-2119:15 UTCm62610 4.50NGVD291OUSGSSA
1982-09-2119:15 UTCm62611 3.35NAVD881OUSGSSA
1982-09-2119:15 UTCm720192.50  1OUSGSSA
1983-01-1714:10 UTCm62610 5.17NGVD291OUSGSSA
1983-01-1714:10 UTCm62611 4.02NAVD881OUSGSSA
1983-01-1714:10 UTCm720191.83  1OUSGSSA
1983-03-2218:08 UTCm62610 5.29NGVD291OUSGSSA
1983-03-2218:08 UTCm62611 4.14NAVD881OUSGSSA
1983-03-2218:08 UTCm720191.71  1OUSGSSA
1983-06-2715:13 UTCm62610 4.72NGVD291OUSGSSA
1983-06-2715:13 UTCm62611 3.57NAVD881OUSGSSA
1983-06-2715:13 UTCm720192.28  1OUSGSSA
1983-09-2013:05 UTCm62610 4.57NGVD291OUSGSSA
1983-09-2013:05 UTCm62611 3.42NAVD881OUSGSSA
1983-09-2013:05 UTCm720192.43  1OUSGSSA
1984-01-0314:28 UTCm62610 7.00NGVD291OUSGSSA
1984-01-0314:28 UTCm62611 5.85NAVD881OUSGSSA
1984-01-0314:28 UTCm720190.00  1OUSGSSA
1984-03-2114:38 UTCm62610 6.09NGVD291OUSGSSA
1984-03-2114:38 UTCm62611 4.94NAVD881OUSGSSA
1984-03-2114:38 UTCm720190.91  1OUSGSSA
1984-06-1212:53 UTCm62610 5.47NGVD291OUSGSSA
1984-06-1212:53 UTCm62611 4.32NAVD881OUSGSSA
1984-06-1212:53 UTCm720191.53  1OUSGSSA
1984-09-1214:15 UTCm62610 4.95NGVD291OUSGSSA
1984-09-1214:15 UTCm62611 3.80NAVD881OUSGSSA
1984-09-1214:15 UTCm720192.05  1OUSGSSA
1984-12-2413:18 UTCm62610 5.62NGVD294OUSGSSA
1984-12-2413:18 UTCm62611 4.47NAVD884OUSGSSA
1984-12-2413:18 UTCm720191.38  4OUSGSSA
1985-03-2513:25 UTCm62610 4.96NGVD294OUSGSSA
1985-03-2513:25 UTCm62611 3.81NAVD884OUSGSSA
1985-03-2513:25 UTCm720192.04  4OUSGSSA
1985-05-0514:15 UTCm62610 5.21NGVD294OUSGSSA
1985-05-0514:15 UTCm62611 4.06NAVD884OUSGSSA
1985-05-0514:15 UTCm720191.79  4OUSGSSA
1985-07-0514:10 UTCm62610 4.62NGVD294OUSGSSA
1985-07-0514:10 UTCm62611 3.47NAVD884OUSGSSA
1985-07-0514:10 UTCm720192.38  4OUSGSSA
1985-09-3013:52 UTCm62610 4.46NGVD294OUSGSSA
1985-09-3013:52 UTCm62611 3.31NAVD884OUSGSSA
1985-09-3013:52 UTCm720192.54  4OUSGSSA
1985-09-3013:54 UTCm62610 -0.55NGVD294OUSGSSA
1985-09-3013:54 UTCm62611 -1.70NAVD884OUSGSSA
1985-09-3013:54 UTCm720197.55  4OUSGSSA
1985-12-1616:18 UTCm62610 4.92NGVD294OUSGSSA
1985-12-1616:18 UTCm62611 3.77NAVD884OUSGSSA
1985-12-1616:18 UTCm720192.08  4OUSGSSA
1986-03-2815:40 UTCm62610 5.00NGVD294OUSGSSA
1986-03-2815:40 UTCm62611 3.85NAVD884OUSGSSA
1986-03-2815:40 UTCm720192.00  4OUSGSSA
1986-06-2414:55 UTCm62610 4.41NGVD291OUSGSSA
1986-06-2414:55 UTCm62611 3.26NAVD881OUSGSSA
1986-06-2414:55 UTCm720192.59  1OUSGSSA
1986-10-0817:20 UTCm62610 4.53NGVD294OUSGSSA
1986-10-0817:20 UTCm62611 3.38NAVD884OUSGSSA
1986-10-0817:20 UTCm720192.47  4OUSGSSA
1986-10-2914:00 UTCm62610 3.45NGVD291OUSGSSA
1986-10-2914:00 UTCm62611 2.30NAVD881OUSGSSA
1986-10-2914:00 UTCm720193.55  1OUSGSSA
1987-01-0516:15 UTCm62610 5.22NGVD294OUSGSSA
1987-01-0516:15 UTCm62611 4.07NAVD884OUSGSSA
1987-01-0516:15 UTCm720191.78  4OUSGSSA
1987-11-2413:36 UTCm62610 4.67NGVD294OUSGSSA
1987-11-2413:36 UTCm62611 3.52NAVD884OUSGSSA
1987-11-2413:36 UTCm720192.33  4OUSGSSA
1988-04-0614:45 UTCm62610 5.25NGVD294OUSGSSA
1988-04-0614:45 UTCm62611 4.10NAVD884OUSGSSA
1988-04-0614:45 UTCm720191.75  4OUSGSSA
1988-12-0911:50 UTCm62610 5.23NGVD294OUSGSSA
1988-12-0911:50 UTCm62611 4.08NAVD884OUSGSSA
1988-12-0911:50 UTCm720191.77  4OUSGSSA
1990-04-1616:55 UTCm62610 5.21NGVD294OUSGSSA
1990-04-1616:55 UTCm62611 4.06NAVD884OUSGSSA
1990-04-1616:55 UTCm720191.79  4OUSGSSA
1991-03-2116:52 UTCm62610 4.64NGVD294OUSGSSA
1991-03-2116:52 UTCm62611 3.49NAVD884OUSGSSA
1991-03-2116:52 UTCm720192.36  4OUSGSSA
1992-03-2315:32 UTCm62610 5.80NGVD294OUSGSSA
1992-03-2315:32 UTCm62611 4.65NAVD884OUSGSSA
1992-03-2315:32 UTCm720191.20  4OUSGSSA
1993-03-2513:10 UTCm62610 5.63NGVD294OUSGSSA
1993-03-2513:10 UTCm62611 4.48NAVD884OUSGSSA
1993-03-2513:10 UTCm720191.37  4OUSGSSA
1994-03-3116:20 UTCm62610 5.55NGVD294OUSGSSA
1994-03-3116:20 UTCm62611 4.40NAVD884OUSGSSA
1994-03-3116:20 UTCm720191.45  4OUSGSSA
1995-03-1612:13 UTCm62610 5.83NGVD294OUSGSSA
1995-03-1612:13 UTCm62611 4.68NAVD884OUSGSSA
1995-03-1612:13 UTCm720191.17  4OUSGSSA
1996-03-1812:10 UTCm62610 6.03NGVD294OUSGSSA
1996-03-1812:10 UTCm62611 4.88NAVD884OUSGSSA
1996-03-1812:10 UTCm720190.97  4OUSGSSA
1997-03-1214:51 UTCm62610 5.94NGVD294OUSGSSA
1997-03-1214:51 UTCm62611 4.79NAVD884OUSGSSA
1997-03-1214:51 UTCm720191.06  4OUSGSSA
1998-03-1714:39 UTCm62610 5.58NGVD294SUSGSSA
1998-03-1714:39 UTCm62611 4.43NAVD884SUSGSSA
1998-03-1714:39 UTCm720191.42  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.