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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 405124072353701 S 30230. 1

Suffolk County, New York
Latitude  40°51'24", Longitude  72°35'37" NAD27
Land-surface elevation 45.0 feet above NGVD29
The depth of the well is 825 feet below land surface.
The depth of the hole is 1,629 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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1970-03-12 D62610 11.53NGVD291OUSGSSA
1970-03-12 D62611 10.60NAVD881OUSGSSA
1970-03-12 D7201933.47  1OUSGSSA
1971-09-02 D62610 11.67NGVD291OUSGSSA
1971-09-02 D62611 10.74NAVD881OUSGSSA
1971-09-02 D7201933.33  1OUSGSSA
1971-12-02 D62610 12.36NGVD291OUSGSSA
1971-12-02 D62611 11.43NAVD881OUSGSSA
1971-12-02 D7201932.64  1OUSGSSA
1972-03-27 D62610 12.35NGVD291OUSGSSA
1972-03-27 D62611 11.42NAVD881OUSGSSA
1972-03-27 D7201932.65  1OUSGSSA
1972-07-11 D62610 13.02NGVD291OUSGSSA
1972-07-11 D62611 12.09NAVD881OUSGSSA
1972-07-11 D7201931.98  1OUSGSSA
1973-01-22 D62610 13.04NGVD291OUSGSSA
1973-01-22 D62611 12.11NAVD881OUSGSSA
1973-01-22 D7201931.96  1OUSGSSA
1973-04-04 D62610 13.69NGVD291OUSGSSA
1973-04-04 D62611 12.76NAVD881OUSGSSA
1973-04-04 D7201931.31  1OUSGSSA
1973-07-11 D62610 14.24NGVD291OUSGSSA
1973-07-11 D62611 13.31NAVD881OUSGSSA
1973-07-11 D7201930.76  1OUSGSSA
1974-03-29 D62610 12.44NGVD291OUSGSSA
1974-03-29 D62611 11.51NAVD881OUSGSSA
1974-03-29 D7201932.56  1OUSGSSA
1974-09-17 D62610 12.18NGVD291OUSGSSA
1974-09-17 D62611 11.25NAVD881OUSGSSA
1974-09-17 D7201932.82  1OUSGSSA
1974-12-27 D62610 11.70NGVD291OUSGSSA
1974-12-27 D62611 10.77NAVD881OUSGSSA
1974-12-27 D7201933.30  1OUSGSSA
1975-03-24 D62610 12.13NGVD291OUSGSSA
1975-03-24 D62611 11.20NAVD881OUSGSSA
1975-03-24 D7201932.87  1OUSGSSA
1975-07-02 D62610 12.90NGVD291OUSGSSA
1975-07-02 D62611 11.97NAVD881OUSGSSA
1975-07-02 D7201932.10  1OUSGSSA
1975-11-03 D62610 12.55NGVD291OUSGSSA
1975-11-03 D62611 11.62NAVD881OUSGSSA
1975-11-03 D7201932.45  1OUSGSSA
1976-01-08 D62610 12.55NGVD291OUSGSSA
1976-01-08 D62611 11.62NAVD881OUSGSSA
1976-01-08 D7201932.45  1OUSGSSA
1976-04-14 D62610 12.90NGVD291OUSGSSA
1976-04-14 D62611 11.97NAVD881OUSGSSA
1976-04-14 D7201932.10  1OUSGSSA
1976-07-01 D62610 12.61NGVD291OUSGSSA
1976-07-01 D62611 11.68NAVD881OUSGSSA
1976-07-01 D7201932.39  1OUSGSSA
1976-09-24 D62610 12.26NGVD291OUSGSSA
1976-09-24 D62611 11.33NAVD881OUSGSSA
1976-09-24 D7201932.74  1OUSGSSA
1977-01-26 D62610 12.08NGVD291OUSGSSA
1977-01-26 D62611 11.15NAVD881OUSGSSA
1977-01-26 D7201932.92  1OUSGSSA
1977-04-05 D62610 12.36NGVD291OUSGSSA
1977-04-05 D62611 11.43NAVD881OUSGSSA
1977-04-05 D7201932.64  1OUSGSSA
1977-06-29 D62610 12.48NGVD291OUSGSSA
1977-06-29 D62611 11.55NAVD881OUSGSSA
1977-06-29 D7201932.52  1OUSGSSA
1977-10-05 D62610 12.15NGVD291OUSGSSA
1977-10-05 D62611 11.22NAVD881OUSGSSA
1977-10-05 D7201932.85  1OUSGSSA
1978-01-05 D62610 12.55NGVD291OUSGSSA
1978-01-05 D62611 11.62NAVD881OUSGSSA
1978-01-05 D7201932.45  1OUSGSSA
1978-03-30 D62610 14.60NGVD291OUSGSSA
1978-03-30 D62611 13.67NAVD881OUSGSSA
1978-03-30 D7201930.40  1OUSGSSA
1978-07-03 D62610 13.87NGVD291OUSGSSA
1978-07-03 D62611 12.94NAVD881OUSGSSA
1978-07-03 D7201931.13  1OUSGSSA
1979-07-08 D62610 14.36NGVD291OUSGSSA
1979-07-08 D62611 13.43NAVD881OUSGSSA
1979-07-08 D7201930.64  1OUSGSSA
1979-09-27 D62610 13.35NGVD291OUSGSSA
1979-09-27 D62611 12.42NAVD881OUSGSSA
1979-09-27 D7201931.65  1OUSGSSA
1980-01-09 D62610 12.99NGVD291OUSGSSA
1980-01-09 D62611 12.06NAVD881OUSGSSA
1980-01-09 D7201932.01  1OUSGSSA
1980-03-31 D62610 12.43NGVD291OUSGSSA
1980-03-31 D62611 11.50NAVD881OUSGSSA
1980-03-31 D7201932.57  1OUSGSSA
1980-07-02 D62610 13.20NGVD291OUSGSSA
1980-07-02 D62611 12.27NAVD881OUSGSSA
1980-07-02 D7201931.80  1OUSGSSA
1981-09-1713:05 UTCm62610 10.35NGVD291OUSGSSA
1981-09-1713:05 UTCm62611 9.42NAVD881OUSGSSA
1981-09-1713:05 UTCm7201934.65  1OUSGSSA
1981-12-1812:45 UTCm62610 10.06NGVD291OUSGSSA
1981-12-1812:45 UTCm62611 9.13NAVD881OUSGSSA
1981-12-1812:45 UTCm7201934.94  1OUSGSSA
1982-03-2614:45 UTCm62610 10.35NGVD291OUSGSSA
1982-03-2614:45 UTCm62611 9.42NAVD881OUSGSSA
1982-03-2614:45 UTCm7201934.65  1OUSGSSA
1982-06-1618:25 UTCm62610 11.70NGVD291OUSGSSA
1982-06-1618:25 UTCm62611 10.77NAVD881OUSGSSA
1982-06-1618:25 UTCm7201933.30  1OUSGSSA
1982-09-0919:30 UTCm62610 12.21NGVD291SUSGSSA
1982-09-0919:30 UTCm62611 11.28NAVD881SUSGSSA
1982-09-0919:30 UTCm7201932.79  1SUSGSSA
1982-09-2117:50 UTCm62610 12.12NGVD291OUSGSSA
1982-09-2117:50 UTCm62611 11.19NAVD881OUSGSSA
1982-09-2117:50 UTCm7201932.88  1OUSGSSA
1982-10-0716:30 UTCm62610 12.02NGVD291SUSGSSA
1982-10-0716:30 UTCm62611 11.09NAVD881SUSGSSA
1982-10-0716:30 UTCm7201932.98  1SUSGSSA
1982-12-0916:30 UTCm62610 11.55NGVD291SUSGSSA
1982-12-0916:30 UTCm62611 10.62NAVD881SUSGSSA
1982-12-0916:30 UTCm7201933.45  1SUSGSSA
1983-01-1916:47 UTCm62610 11.22NGVD291OUSGSSA
1983-01-1916:47 UTCm62611 10.29NAVD881OUSGSSA
1983-01-1916:47 UTCm7201933.78  1OUSGSSA
1983-03-2813:45 UTCm62610 11.65NGVD291OUSGSSA
1983-03-2813:45 UTCm62611 10.72NAVD881OUSGSSA
1983-03-2813:45 UTCm7201933.35  1OUSGSSA
1983-05-1120:00 UTCm62610 12.80NGVD291SUSGSSA
1983-05-1120:00 UTCm62611 11.87NAVD881SUSGSSA
1983-05-1120:00 UTCm7201932.20  1SUSGSSA
1983-06-2014:50 UTCm62610 14.38NGVD291OUSGSSA
1983-06-2014:50 UTCm62611 13.45NAVD881OUSGSSA
1983-06-2014:50 UTCm7201930.62  1OUSGSSA
1983-06-3019:30 UTCm62610 13.31NGVD291SUSGSSA
1983-06-3019:30 UTCm62611 12.38NAVD881SUSGSSA
1983-06-3019:30 UTCm7201931.69  1SUSGSSA
1983-09-1520:00 UTCm62610 12.77NGVD291SUSGSSA
1983-09-1520:00 UTCm62611 11.84NAVD881SUSGSSA
1983-09-1520:00 UTCm7201932.23  1SUSGSSA
1984-01-2919:30 UTCm62610 12.63NGVD291OUSGSSA
1984-01-2919:30 UTCm62611 11.70NAVD881OUSGSSA
1984-01-2919:30 UTCm7201932.37  1OUSGSSA
1984-04-1415:15 UTCm62610 13.61NGVD291OUSGSSA
1984-04-1415:15 UTCm62611 12.68NAVD881OUSGSSA
1984-04-1415:15 UTCm7201931.39  1OUSGSSA
1984-06-2116:20 UTCm62610 14.43NGVD291OUSGSSA
1984-06-2116:20 UTCm62611 13.50NAVD881OUSGSSA
1984-06-2116:20 UTCm7201930.57  1OUSGSSA
1984-09-2512:50 UTCm62610 14.02NGVD291OUSGSSA
1984-09-2512:50 UTCm62611 13.09NAVD881OUSGSSA
1984-09-2512:50 UTCm7201930.98  1OUSGSSA
1985-01-0116:17 UTCm62610 13.14NGVD291OUSGSSA
1985-01-0116:17 UTCm62611 12.21NAVD881OUSGSSA
1985-01-0116:17 UTCm7201931.86  1OUSGSSA
1985-03-2718:58 UTCm62610 12.27NGVD291OUSGSSA
1985-03-2718:58 UTCm62611 11.34NAVD881OUSGSSA
1985-03-2718:58 UTCm7201932.73  1OUSGSSA
1985-07-0315:10 UTCm62610 12.22NGVD291OUSGSSA
1985-07-0315:10 UTCm62611 11.29NAVD881OUSGSSA
1985-07-0315:10 UTCm7201932.78  1OUSGSSA
1985-07-0315:11 UTCm62610 12.22NGVD291OUSGSSA
1985-07-0315:11 UTCm62611 11.29NAVD881OUSGSSA
1985-07-0315:11 UTCm7201932.78  1OUSGSSA
1985-09-1719:29 UTCm62610 10.99NGVD291OUSGSSA
1985-09-1719:29 UTCm62611 10.06NAVD881OUSGSSA
1985-09-1719:29 UTCm7201934.01  1OUSGSSA
1985-12-0618:40 UTCm62610 10.84NGVD291OUSGSSA
1985-12-0618:40 UTCm62611 9.91NAVD881OUSGSSA
1985-12-0618:40 UTCm7201934.16  1OUSGSSA
1986-03-1317:20 UTCm62610 10.51NGVD291OUSGSSA
1986-03-1317:20 UTCm62611 9.58NAVD881OUSGSSA
1986-03-1317:20 UTCm7201934.49  1OUSGSSA
1986-06-0316:15 UTCm62610 10.37NGVD291OUSGSSA
1986-06-0316:15 UTCm62611 9.44NAVD881OUSGSSA
1986-06-0316:15 UTCm7201934.63  1OUSGSSA
1986-09-2317:00 UTCm62610 10.19NGVD291OUSGSSA
1986-09-2317:00 UTCm62611 9.26NAVD881OUSGSSA
1986-09-2317:00 UTCm7201934.81  1OUSGSSA
1986-12-2916:45 UTCm62610 10.36NGVD291OUSGSSA
1986-12-2916:45 UTCm62611 9.43NAVD881OUSGSSA
1986-12-2916:45 UTCm7201934.64  1OUSGSSA
1987-03-0318:15 UTCm62610 11.05NGVD291OUSGSSA
1987-03-0318:15 UTCm62611 10.12NAVD881OUSGSSA
1987-03-0318:15 UTCm7201933.95  1OUSGSSA
1988-03-2517:30 UTCm62610 11.41NGVD291OUSGSSA
1988-03-2517:30 UTCm62611 10.48NAVD881OUSGSSA
1988-03-2517:30 UTCm7201933.59  1OUSGSSA
1989-02-0818:00 UTCm62610 11.05NGVD291OUSGSSA
1989-02-0818:00 UTCm62611 10.12NAVD881OUSGSSA
1989-02-0818:00 UTCm7201933.95  1OUSGSSA
1990-03-2915:15 UTCm62610 13.69NGVD291OUSGSSA
1990-03-2915:15 UTCm62611 12.76NAVD881OUSGSSA
1990-03-2915:15 UTCm7201931.31  1OUSGSSA
1991-03-2017:50 UTCm62610 12.71NGVD291OUSGSSA
1991-03-2017:50 UTCm62611 11.78NAVD881OUSGSSA
1991-03-2017:50 UTCm7201932.29  1OUSGSSA
1992-04-0717:40 UTCm62610 11.35NGVD291OUSGSSA
1992-04-0717:40 UTCm62611 10.42NAVD881OUSGSSA
1992-04-0717:40 UTCm7201933.65  1OUSGSSA
1993-03-2217:40 UTCm62610 12.05NGVD291OUSGSSA
1993-03-2217:40 UTCm62611 11.12NAVD881OUSGSSA
1993-03-2217:40 UTCm7201932.95  1OUSGSSA
1994-03-3115:54 UTCm62610 12.36NGVD291OUSGSSA
1994-03-3115:54 UTCm62611 11.43NAVD881OUSGSSA
1994-03-3115:54 UTCm7201932.64  1OUSGSSA
1995-03-2219:05 UTCm62610 11.25NGVD291OUSGSSA
1995-03-2219:05 UTCm62611 10.32NAVD881OUSGSSA
1995-03-2219:05 UTCm7201933.75  1OUSGSSA
1996-03-1819:35 UTCm62610 11.65NGVD291OUSGSSA
1996-03-1819:35 UTCm62611 10.72NAVD881OUSGSSA
1996-03-1819:35 UTCm7201933.35  1OUSGSSA
1997-03-1219:00 UTCm62610 13.16NGVD291OUSGSSA
1997-03-1219:00 UTCm62611 12.23NAVD881OUSGSSA
1997-03-1219:00 UTCm7201931.84  1OUSGSSA
1998-03-1617:50 UTCm62610 12.09NGVD291SUSGSSA
1998-03-1617:50 UTCm62611 11.16NAVD881SUSGSSA
1998-03-1617:50 UTCm7201932.91  1SUSGSSA
1999-03-3115:56 UTCm62610 12.71NGVD291SUSGSSA
1999-03-3115:56 UTCm62611 11.78NAVD881SUSGSSA
1999-03-3115:56 UTCm7201932.29  1SUSGSSA
2000-03-3117:08 UTCm62610 11.46NGVD291SUSGSSA
2000-03-3117:08 UTCm62611 10.53NAVD881SUSGSSA
2000-03-3117:08 UTCm7201933.54  1SUSGSSA
2001-03-2315:52 UTCm62610 11.38NGVD291SUSGSSA
2001-03-2315:52 UTCm62611 10.45NAVD881SUSGSSA
2001-03-2315:52 UTCm7201933.62  1SUSGSSA
2002-03-1818:13 UTCm62610 10.88NGVD291SUSGSSA
2002-03-1818:13 UTCm62611 9.95NAVD881SUSGSSA
2002-03-1818:13 UTCm7201934.12  1SUSGSSA
2003-03-2513:50 UTCm62610 11.94NGVD291SUSGSSA
2003-03-2513:50 UTCm62611 11.01NAVD881SUSGSSA
2003-03-2513:50 UTCm7201933.06  1SUSGSSA
2004-03-1615:40 UTCm62610 13.01NGVD291SUSGSSA
2004-03-1615:40 UTCm62611 12.08NAVD881SUSGSSA
2004-03-1615:40 UTCm7201931.99  1SUSGSSA
2005-03-1419:45 UTCm62610 12.60NGVD291SUSGSSA
2005-03-1419:45 UTCm62611 11.67NAVD881SUSGSSA
2005-03-1419:45 UTCm7201932.40  1SUSGSSA
2006-03-2018:00 UTCm62610 13.63NGVD291SUSGSSA
2006-03-2018:00 UTCm62611 12.70NAVD881SUSGSSA
2006-03-2018:00 UTCm7201931.37  1SUSGSSA
2007-03-2713:10 UTCm62610 13.99NGVD291SUSGSSA
2007-03-2713:10 UTCm62611 13.06NAVD881SUSGSSA
2007-03-2713:10 UTCm7201931.01  1SUSGSSA
2008-04-2215:27 UTCm62610 11.97NGVD291SUSGSSA
2008-04-2215:27 UTCm62611 11.04NAVD881SUSGSSA
2008-04-2215:27 UTCm7201933.03  1SUSGSSA
2009-04-2818:18 UTCm62610 11.97NGVD291SUSGSSA
2009-04-2818:18 UTCm62611 11.04NAVD881SUSGSSA
2009-04-2818:18 UTCm7201933.03  1SUSGSSA
2010-04-2119:01 UTCm62610 14.97NGVD291SUSGSSA
2010-04-2119:01 UTCm62611 14.04NAVD881SUSGSSA
2010-04-2119:01 UTCm7201930.03  1SUSGSSA
2011-04-2216:34 UTCm62610 11.71NGVD291TUSGSSA
2011-04-2216:34 UTCm62611 10.78NAVD881TUSGSSA
2011-04-2216:34 UTCm7201933.29  1TUSGSSA
2012-04-1813:00 UTCm62610 11.37NGVD291SUSGSSA
2012-04-1813:00 UTCm62611 10.44NAVD881SUSGSSA
2012-04-1813:00 UTCm7201933.63  1SUSGSSA
2013-04-1619:19 UTCm62610 11.29NGVD291SUSGSSA
2013-04-1619:19 UTCm62611 10.36NAVD881SUSGSSA
2013-04-1619:19 UTCm7201933.71  1SUSGSSA
2014-04-1817:17 UTCm62610 11.24NGVD291SUSGSSA
2014-04-1817:17 UTCm62611 10.31NAVD881SUSGSSA
2014-04-1817:17 UTCm7201933.76  1SUSGSSA
2015-04-1416:27 UTCm62610 11.38NGVD291TUSGSSA
2015-04-1416:27 UTCm62611 10.45NAVD881TUSGSSA
2015-04-1416:27 UTCm7201933.62  1TUSGSSA
2016-04-1916:34 UTCm62610 10.79NGVD291TUSGSSA
2016-04-1916:34 UTCm62611 9.86NAVD881TUSGSSA
2016-04-1916:34 UTCm7201934.21  1TUSGSSA
2017-04-1917:03 UTCm62610 9.94NGVD291VUSGSSA
2017-04-1917:03 UTCm62611 9.01NAVD881VUSGSSA
2017-04-1917:03 UTCm7201935.06  1VUSGSSA
2018-04-1914:20 UTCm62610 11.47NGVD291TUSGSSA
2018-04-1914:20 UTCm62611 10.54NAVD881TUSGSSA
2018-04-1914:20 UTCm7201933.53  1TUSGSSA
2019-04-1716:37 UTCm62610 13.04NGVD291TUSGSSA
2019-04-1716:37 UTCm62611 12.11NAVD881TUSGSSA
2019-04-1716:37 UTCm7201931.96  1TUSGSSA
2021-04-2013:51 UTCm62610 12.23NGVD291VUSGSSA
2021-04-2013:51 UTCm62611 11.30NAVD881VUSGSSA
2021-04-2013:51 UTCm7201932.77  1VUSGSSA
2022-05-2613:20 UTCm62610 10.78NGVD291VUSGSSA
2022-05-2613:20 UTCm62611 9.85NAVD881VUSGSSA
2022-05-2613:20 UTCm7201934.22  1VUSGSSA
2023-04-2512:41 UTCm62610 10.83NGVD291VUSGSSA
2023-04-2512:41 UTCm62611 9.90NAVD881VUSGSSA
2023-04-2512:41 UTCm7201934.17  1VUSGSSA
2024-06-0722:21 UTCm62610 12.44NGVD291VUSGSSA
2024-06-0722:21 UTCm62611 11.51NAVD881VUSGSSA
2024-06-0722:21 UTCm7201932.56  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
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-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.