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Groundwater levels for the Nation

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USGS 404934073334801 N 9353. 1

Nassau County, New York
Latitude  40°49'34", Longitude  73°33'48" NAD27
Land-surface elevation 143.0 feet above NGVD29
The depth of the well is 101 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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Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
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Method of
measurement
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agency
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measurement
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Water-level
approval
status
1978-06-0618:25 UTCm62610 83.09NGVD291OUSGSSA
1978-06-0618:25 UTCm62611 82.02NAVD881OUSGSSA
1978-06-0618:25 UTCm7201959.91  1OUSGSSA
1978-09-1115:25 UTCm62610 83.65NGVD291OUSGSSA
1978-09-1115:25 UTCm62611 82.58NAVD881OUSGSSA
1978-09-1115:25 UTCm7201959.35  1OUSGSSA
1978-12-0519:10 UTCm62610 83.40NGVD291OUSGSSA
1978-12-0519:10 UTCm62611 82.33NAVD881OUSGSSA
1978-12-0519:10 UTCm7201959.60  1OUSGSSA
1979-03-0815:19 UTCm62610 83.66NGVD291OUSGSSA
1979-03-0815:19 UTCm62611 82.59NAVD881OUSGSSA
1979-03-0815:19 UTCm7201959.34  1OUSGSSA
1979-06-0715:24 UTCm62610 85.32NGVD291OUSGSSA
1979-06-0715:24 UTCm62611 84.25NAVD881OUSGSSA
1979-06-0715:24 UTCm7201957.68  1OUSGSSA
1979-09-1319:39 UTCm62610 85.24NGVD291OUSGSSA
1979-09-1319:39 UTCm62611 84.17NAVD881OUSGSSA
1979-09-1319:39 UTCm7201957.76  1OUSGSSA
1979-12-0518:20 UTCm62610 85.21NGVD291OUSGSSA
1979-12-0518:20 UTCm62611 84.14NAVD881OUSGSSA
1979-12-0518:20 UTCm7201957.79  1OUSGSSA
1980-03-1718:41 UTCm62610 85.46NGVD291OUSGSSA
1980-03-1718:41 UTCm62611 84.39NAVD881OUSGSSA
1980-03-1718:41 UTCm7201957.54  1OUSGSSA
1980-05-2818:15 UTCm62610 85.37NGVD291OUSGSSA
1980-05-2818:15 UTCm62611 84.30NAVD881OUSGSSA
1980-05-2818:15 UTCm7201957.63  1OUSGSSA
1980-09-0219:29 UTCm62610 85.39NGVD291OUSGSSA
1980-09-0219:29 UTCm62611 84.32NAVD881OUSGSSA
1980-09-0219:29 UTCm7201957.61  1OUSGSSA
1980-12-1619:17 UTCm62610 84.44NGVD291OUSGSSA
1980-12-1619:17 UTCm62611 83.37NAVD881OUSGSSA
1980-12-1619:17 UTCm7201958.56  1OUSGSSA
1981-03-1115:00 UTCm62610 83.72NGVD291OUSGSSA
1981-03-1115:00 UTCm62611 82.65NAVD881OUSGSSA
1981-03-1115:00 UTCm7201959.28  1OUSGSSA
1981-06-0418:47 UTCm62610 82.27NGVD291OUSGSSA
1981-06-0418:47 UTCm62611 81.20NAVD881OUSGSSA
1981-06-0418:47 UTCm7201960.73  1OUSGSSA
1981-09-0918:15 UTCm62610 80.14NGVD291OUSGSSA
1981-09-0918:15 UTCm62611 79.07NAVD881OUSGSSA
1981-09-0918:15 UTCm7201962.86  1OUSGSSA
1982-01-0718:32 UTCm62610 78.93NGVD291OUSGSSA
1982-01-0718:32 UTCm62611 77.86NAVD881OUSGSSA
1982-01-0718:32 UTCm7201964.07  1OUSGSSA
1982-03-0818:06 UTCm62610 78.34NGVD291OUSGSSA
1982-03-0818:06 UTCm62611 77.27NAVD881OUSGSSA
1982-03-0818:06 UTCm7201964.66  1OUSGSSA
1982-07-0916:49 UTCm62610 78.00NGVD291OUSGSSA
1982-07-0916:49 UTCm62611 76.93NAVD881OUSGSSA
1982-07-0916:49 UTCm7201965.00  1OUSGSSA
1982-09-0815:15 UTCm62610 78.15NGVD291OUSGSSA
1982-09-0815:15 UTCm62611 77.08NAVD881OUSGSSA
1982-09-0815:15 UTCm7201964.85  1OUSGSSA
1982-12-1015:16 UTCm62610 77.74NGVD291OUSGSSA
1982-12-1015:16 UTCm62611 76.67NAVD881OUSGSSA
1982-12-1015:16 UTCm7201965.26  1OUSGSSA
1983-04-1118:12 UTCm62610 76.59NGVD291OUSGSSA
1983-04-1118:12 UTCm62611 75.52NAVD881OUSGSSA
1983-04-1118:12 UTCm7201966.41  1OUSGSSA
1983-06-2116:11 UTCm62610 79.24NGVD291OUSGSSA
1983-06-2116:11 UTCm62611 78.17NAVD881OUSGSSA
1983-06-2116:11 UTCm7201963.76  1OUSGSSA
1984-04-3018:43 UTCm62610 81.09NGVD291OUSGSSA
1984-04-3018:43 UTCm62611 80.02NAVD881OUSGSSA
1984-04-3018:43 UTCm7201961.91  1OUSGSSA
1990-03-2712:50 UTCm62610 78.82NGVD291OUSGSSA
1990-03-2712:50 UTCm62611 77.75NAVD881OUSGSSA
1990-03-2712:50 UTCm7201964.18  1OUSGSSA
1991-03-2019:55 UTCm62610 81.02NGVD291OUSGSSA
1991-03-2019:55 UTCm62611 79.95NAVD881OUSGSSA
1991-03-2019:55 UTCm7201961.98  1OUSGSSA
1991-11-0118:58 UTCm62610 80.45NGVD291OUSGSSA
1991-11-0118:58 UTCm62611 79.38NAVD881OUSGSSA
1991-11-0118:58 UTCm7201962.55  1OUSGSSA
1992-03-1620:10 UTCm62610 79.57NGVD291OUSGSSA
1992-03-1620:10 UTCm62611 78.50NAVD881OUSGSSA
1992-03-1620:10 UTCm7201963.43  1OUSGSSA
1992-04-2418:05 UTCm62610 79.43NGVD291OUSGSSA
1992-04-2418:05 UTCm62611 78.36NAVD881OUSGSSA
1992-04-2418:05 UTCm7201963.57  1OUSGSSA
1992-05-1916:12 UTCm62610 78.89NGVD291OUSGSSA
1992-05-1916:12 UTCm62611 77.82NAVD881OUSGSSA
1992-05-1916:12 UTCm7201964.11  1OUSGSSA
1992-06-0415:29 UTCm62610 78.84NGVD291OUSGSSA
1992-06-0415:29 UTCm62611 77.77NAVD881OUSGSSA
1992-06-0415:29 UTCm7201964.16  1OUSGSSA
1992-06-1617:59 UTCm62610 78.64NGVD291OUSGSSA
1992-06-1617:59 UTCm62611 77.57NAVD881OUSGSSA
1992-06-1617:59 UTCm7201964.36  1OUSGSSA
1992-07-1513:35 UTCm62610 78.30NGVD291OUSGSSA
1992-07-1513:35 UTCm62611 77.23NAVD881OUSGSSA
1992-07-1513:35 UTCm7201964.70  1OUSGSSA
1992-08-2115:10 UTCm62610 77.91NGVD291OUSGSSA
1992-08-2115:10 UTCm62611 76.84NAVD881OUSGSSA
1992-08-2115:10 UTCm7201965.09  1OUSGSSA
1992-09-3016:30 UTCm62610 77.48NGVD291OUSGSSA
1992-09-3016:30 UTCm62611 76.41NAVD881OUSGSSA
1992-09-3016:30 UTCm7201965.52  1OUSGSSA
1992-10-2019:22 UTCm62610 77.19NGVD291OUSGSSA
1992-10-2019:22 UTCm62611 76.12NAVD881OUSGSSA
1992-10-2019:22 UTCm7201965.81  1OUSGSSA
1992-11-1917:45 UTCm62610 76.94NGVD291OUSGSSA
1992-11-1917:45 UTCm62611 75.87NAVD881OUSGSSA
1992-11-1917:45 UTCm7201966.06  1OUSGSSA
1993-01-0421:07 UTCm62610 76.86NGVD291OUSGSSA
1993-01-0421:07 UTCm62611 75.79NAVD881OUSGSSA
1993-01-0421:07 UTCm7201966.14  1OUSGSSA
1993-01-2120:35 UTCm62610 76.74NGVD291OUSGSSA
1993-01-2120:35 UTCm62611 75.67NAVD881OUSGSSA
1993-01-2120:35 UTCm7201966.26  1OUSGSSA
1993-02-2317:07 UTCm62610 76.67NGVD291OUSGSSA
1993-02-2317:07 UTCm62611 75.60NAVD881OUSGSSA
1993-02-2317:07 UTCm7201966.33  1OUSGSSA
1993-03-3116:12 UTCm62610 76.78NGVD291OUSGSSA
1993-03-3116:12 UTCm62611 75.71NAVD881OUSGSSA
1993-03-3116:12 UTCm7201966.22  1OUSGSSA
1993-04-2117:21 UTCm62610 77.12NGVD291OUSGSSA
1993-04-2117:21 UTCm62611 76.05NAVD881OUSGSSA
1993-04-2117:21 UTCm7201965.88  1OUSGSSA
1993-05-1718:54 UTCm62610 77.28NGVD291OUSGSSA
1993-05-1718:54 UTCm62611 76.21NAVD881OUSGSSA
1993-05-1718:54 UTCm7201965.72  1OUSGSSA
1993-06-1715:30 UTCm62610 77.15NGVD291OUSGSSA
1993-06-1715:30 UTCm62611 76.08NAVD881OUSGSSA
1993-06-1715:30 UTCm7201965.85  1OUSGSSA
1993-06-2218:53 UTCm62610 78.30NGVD291OUSGSSA
1993-06-2218:53 UTCm62611 77.23NAVD881OUSGSSA
1993-06-2218:53 UTCm7201964.70  1OUSGSSA
1993-07-1918:43 UTCm62610 76.89NGVD291OUSGSSA
1993-07-1918:43 UTCm62611 75.82NAVD881OUSGSSA
1993-07-1918:43 UTCm7201966.11  1OUSGSSA
1993-08-1819:33 UTCm62610 76.58NGVD291OUSGSSA
1993-08-1819:33 UTCm62611 75.51NAVD881OUSGSSA
1993-08-1819:33 UTCm7201966.42  1OUSGSSA
1993-09-2412:57 UTCm62610 76.17NGVD291OUSGSSA
1993-09-2412:57 UTCm62611 75.10NAVD881OUSGSSA
1993-09-2412:57 UTCm7201966.83  1OUSGSSA
1993-10-2519:37 UTCm62610 76.07NGVD291OUSGSSA
1993-10-2519:37 UTCm62611 75.00NAVD881OUSGSSA
1993-10-2519:37 UTCm7201966.93  1OUSGSSA
1993-11-2219:45 UTCm62610 75.86NGVD291OUSGSSA
1993-11-2219:45 UTCm62611 74.79NAVD881OUSGSSA
1993-11-2219:45 UTCm7201967.14  1OUSGSSA
1993-12-2020:29 UTCm62610 75.61NGVD291OUSGSSA
1993-12-2020:29 UTCm62611 74.54NAVD881OUSGSSA
1993-12-2020:29 UTCm7201967.39  1OUSGSSA
1994-03-3016:20 UTCm62610 75.51NGVD291OUSGSSA
1994-03-3016:20 UTCm62611 74.44NAVD881OUSGSSA
1994-03-3016:20 UTCm7201967.49  1OUSGSSA
1994-04-1916:45 UTCm62610 75.88NGVD291OUSGSSA
1994-04-1916:45 UTCm62611 74.81NAVD881OUSGSSA
1994-04-1916:45 UTCm7201967.12  1OUSGSSA
1994-05-1916:44 UTCm62610 75.89NGVD291OUSGSSA
1994-05-1916:44 UTCm62611 74.82NAVD881OUSGSSA
1994-05-1916:44 UTCm7201967.11  1OUSGSSA
1994-06-0918:59 UTCm62610 75.93NGVD291OUSGSSA
1994-06-0918:59 UTCm62611 74.86NAVD881OUSGSSA
1994-06-0918:59 UTCm7201967.07  1OUSGSSA
1994-06-2015:52 UTCm62610 75.73NGVD291OUSGSSA
1994-06-2015:52 UTCm62611 74.66NAVD881OUSGSSA
1994-06-2015:52 UTCm7201967.27  1OUSGSSA
1994-07-2020:40 UTCm62610 75.54NGVD291OUSGSSA
1994-07-2020:40 UTCm62611 74.47NAVD881OUSGSSA
1994-07-2020:40 UTCm7201967.46  1OUSGSSA
1994-08-2419:27 UTCm62610 76.11NGVD291OUSGSSA
1994-08-2419:27 UTCm62611 75.04NAVD881OUSGSSA
1994-08-2419:27 UTCm7201966.89  1OUSGSSA
1994-09-2019:55 UTCm62610 75.10NGVD291OUSGSSA
1994-09-2019:55 UTCm62611 74.03NAVD881OUSGSSA
1994-09-2019:55 UTCm7201967.90  1OUSGSSA
1994-10-1817:35 UTCm62610 75.00NGVD291OUSGSSA
1994-10-1817:35 UTCm62611 73.93NAVD881OUSGSSA
1994-10-1817:35 UTCm7201968.00  1OUSGSSA
1995-01-1817:28 UTCm62610 74.60NGVD291OUSGSSA
1995-01-1817:28 UTCm62611 73.53NAVD881OUSGSSA
1995-01-1817:28 UTCm7201968.40  1OUSGSSA
1995-03-1517:52 UTCm62610 74.38NGVD291OUSGSSA
1995-03-1517:52 UTCm62611 73.31NAVD881OUSGSSA
1995-03-1517:52 UTCm7201968.62  1OUSGSSA
1995-05-2212:37 UTCm62610 73.60NGVD291OUSGSSA
1995-05-2212:37 UTCm62611 72.53NAVD881OUSGSSA
1995-05-2212:37 UTCm7201969.40  1OUSGSSA
1995-06-1517:09 UTCm62610 73.33NGVD291OUSGSSA
1995-06-1517:09 UTCm62611 72.26NAVD881OUSGSSA
1995-06-1517:09 UTCm7201969.67  1OUSGSSA
1995-07-2715:12 UTCm62610 72.90NGVD291OUSGSSA
1995-07-2715:12 UTCm62611 71.83NAVD881OUSGSSA
1995-07-2715:12 UTCm7201970.10  1OUSGSSA
1995-09-2014:01 UTCm62610 71.92NGVD291OUSGSSA
1995-09-2014:01 UTCm62611 70.85NAVD881OUSGSSA
1995-09-2014:01 UTCm7201971.08  1OUSGSSA
1995-12-0719:26 UTCm62610 71.39NGVD291OUSGSSA
1995-12-0719:26 UTCm62611 70.32NAVD881OUSGSSA
1995-12-0719:26 UTCm7201971.61  1OUSGSSA
1995-12-0818:17 UTCm62610 71.25NGVD291OUSGSSA
1995-12-0818:17 UTCm62611 70.18NAVD881OUSGSSA
1995-12-0818:17 UTCm7201971.75  1OUSGSSA
1996-01-2615:18 UTCm62610 71.00NGVD291OUSGSSA
1996-01-2615:18 UTCm62611 69.93NAVD881OUSGSSA
1996-01-2615:18 UTCm7201972.00  1OUSGSSA
1996-03-2017:05 UTCm62610 70.87NGVD291OUSGSSA
1996-03-2017:05 UTCm62611 69.80NAVD881OUSGSSA
1996-03-2017:05 UTCm7201972.13  1OUSGSSA
1996-05-1713:45 UTCm62610 71.35NGVD291OUSGSSA
1996-05-1713:45 UTCm62611 70.28NAVD881OUSGSSA
1996-05-1713:45 UTCm7201971.65  1OUSGSSA
1996-06-2817:43 UTCm62610 71.37NGVD291OUSGSSA
1996-06-2817:43 UTCm62611 70.30NAVD881OUSGSSA
1996-06-2817:43 UTCm7201971.63  1OUSGSSA
1996-09-1217:15 UTCm62610 71.30NGVD291OUSGSSA
1996-09-1217:15 UTCm62611 70.23NAVD881OUSGSSA
1996-09-1217:15 UTCm7201971.70  1OUSGSSA
1996-12-1219:45 UTCm62610 72.16NGVD291OUSGSSA
1996-12-1219:45 UTCm62611 71.09NAVD881OUSGSSA
1996-12-1219:45 UTCm7201970.84  1OUSGSSA
1997-03-1119:48 UTCm62610 73.58NGVD291OUSGSSA
1997-03-1119:48 UTCm62611 72.51NAVD881OUSGSSA
1997-03-1119:48 UTCm7201969.42  1OUSGSSA
1997-05-2215:27 UTCm62610 74.32NGVD291OUSGSSA
1997-05-2215:27 UTCm62611 73.25NAVD881OUSGSSA
1997-05-2215:27 UTCm7201968.68  1OUSGSSA
1997-07-2314:10 UTCm62610 74.29NGVD291OUSGSSA
1997-07-2314:10 UTCm62611 73.22NAVD881OUSGSSA
1997-07-2314:10 UTCm7201968.71  1OUSGSSA
1997-08-2014:03 UTCm62610 74.30NGVD291OUSGSSA
1997-08-2014:03 UTCm62611 73.23NAVD881OUSGSSA
1997-08-2014:03 UTCm7201968.70  1OUSGSSA
1997-09-1614:47 UTCm62610 74.22NGVD291OUSGSSA
1997-09-1614:47 UTCm62611 73.15NAVD881OUSGSSA
1997-09-1614:47 UTCm7201968.78  1OUSGSSA
1998-03-2317:35 UTCm62610 74.28NGVD291SUSGSSA
1998-03-2317:35 UTCm62611 73.21NAVD881SUSGSSA
1998-03-2317:35 UTCm7201968.72  1SUSGSSA
2002-04-1216:20 UTCm62610 72.64NGVD291SUSGSSA
2002-04-1216:20 UTCm62611 71.57NAVD881SUSGSSA
2002-04-1216:20 UTCm7201970.36  1SUSGSSA

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