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Groundwater levels for the Nation

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USGS 404855073360102 N 7450. 2

Nassau County, New York
Latitude  40°48'55", Longitude  73°36'01" NAD27
Land-surface elevation 176.0 feet above NGVD29
The depth of the well is 134 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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Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
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Method of
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status
1975-12-0518:40 UTCm62610 75.85NGVD291OUSGSSA
1975-12-0518:40 UTCm62611 74.77NAVD881OUSGSSA
1975-12-0518:40 UTCm72019100.15  1OUSGSSA
1976-03-1615:43 UTCm62610 77.70NGVD291OUSGSSA
1976-03-1615:43 UTCm62611 76.62NAVD881OUSGSSA
1976-03-1615:43 UTCm7201998.30  1OUSGSSA
1976-06-0216:12 UTCm62610 78.55NGVD291OUSGSSA
1976-06-0216:12 UTCm62611 77.47NAVD881OUSGSSA
1976-06-0216:12 UTCm7201997.45  1OUSGSSA
1976-09-0316:30 UTCm62610 77.31NGVD291OUSGSSA
1976-09-0316:30 UTCm62611 76.23NAVD881OUSGSSA
1976-09-0316:30 UTCm7201998.69  1OUSGSSA
1976-12-1015:10 UTCm62610 78.03NGVD291OUSGSSA
1976-12-1015:10 UTCm62611 76.95NAVD881OUSGSSA
1976-12-1015:10 UTCm7201997.97  1OUSGSSA
1977-03-2916:08 UTCm62610 77.31NGVD291OUSGSSA
1977-03-2916:08 UTCm62611 76.23NAVD881OUSGSSA
1977-03-2916:08 UTCm7201998.69  1OUSGSSA
1977-06-0815:26 UTCm62610 77.01NGVD291OUSGSSA
1977-06-0815:26 UTCm62611 75.93NAVD881OUSGSSA
1977-06-0815:26 UTCm7201998.99  1OUSGSSA
1977-09-0815:03 UTCm62610 75.98NGVD291OUSGSSA
1977-09-0815:03 UTCm62611 74.90NAVD881OUSGSSA
1977-09-0815:03 UTCm72019100.02  1OUSGSSA
1977-12-0619:25 UTCm62610 75.72NGVD291OUSGSSA
1977-12-0619:25 UTCm62611 74.64NAVD881OUSGSSA
1977-12-0619:25 UTCm72019100.28  1OUSGSSA
1978-03-2317:35 UTCm62610 78.59NGVD291OUSGSSA
1978-03-2317:35 UTCm62611 77.51NAVD881OUSGSSA
1978-03-2317:35 UTCm7201997.41  1OUSGSSA
1978-06-0614:53 UTCm62610 77.84NGVD291OUSGSSA
1978-06-0614:53 UTCm62611 76.76NAVD881OUSGSSA
1978-06-0614:53 UTCm7201998.16  1OUSGSSA
1978-09-1815:35 UTCm62610 78.45NGVD291OUSGSSA
1978-09-1815:35 UTCm62611 77.37NAVD881OUSGSSA
1978-09-1815:35 UTCm7201997.55  1OUSGSSA
1978-12-0415:25 UTCm62610 78.51NGVD291OUSGSSA
1978-12-0415:25 UTCm62611 77.43NAVD881OUSGSSA
1978-12-0415:25 UTCm7201997.49  1OUSGSSA
1979-03-0515:15 UTCm62610 79.38NGVD291OUSGSSA
1979-03-0515:15 UTCm62611 78.30NAVD881OUSGSSA
1979-03-0515:15 UTCm7201996.62  1OUSGSSA
1979-06-0715:18 UTCm62610 79.58NGVD291OUSGSSA
1979-06-0715:18 UTCm62611 78.50NAVD881OUSGSSA
1979-06-0715:18 UTCm7201996.42  1OUSGSSA
1979-09-1217:00 UTCm62610 79.96NGVD291OUSGSSA
1979-09-1217:00 UTCm62611 78.88NAVD881OUSGSSA
1979-09-1217:00 UTCm7201996.04  1OUSGSSA
1979-12-0418:36 UTCm62610 80.03NGVD291OUSGSSA
1979-12-0418:36 UTCm62611 78.95NAVD881OUSGSSA
1979-12-0418:36 UTCm7201995.97  1OUSGSSA
1980-03-1716:31 UTCm62610 79.98NGVD291OUSGSSA
1980-03-1716:31 UTCm62611 78.90NAVD881OUSGSSA
1980-03-1716:31 UTCm7201996.02  1OUSGSSA
1980-05-2717:50 UTCm62610 79.12NGVD291OUSGSSA
1980-05-2717:50 UTCm62611 78.04NAVD881OUSGSSA
1980-05-2717:50 UTCm7201996.88  1OUSGSSA
1980-09-0216:35 UTCm62610 80.32NGVD291OUSGSSA
1980-09-0216:35 UTCm62611 79.24NAVD881OUSGSSA
1980-09-0216:35 UTCm7201995.68  1OUSGSSA
1980-12-1616:47 UTCm62610 78.85NGVD291OUSGSSA
1980-12-1616:47 UTCm62611 77.77NAVD881OUSGSSA
1980-12-1616:47 UTCm7201997.15  1OUSGSSA
1981-03-0418:05 UTCm62610 77.82NGVD291OUSGSSA
1981-03-0418:05 UTCm62611 76.74NAVD881OUSGSSA
1981-03-0418:05 UTCm7201998.18  1OUSGSSA
1981-06-0916:33 UTCm62610 77.18NGVD291OUSGSSA
1981-06-0916:33 UTCm62611 76.10NAVD881OUSGSSA
1981-06-0916:33 UTCm7201998.82  1OUSGSSA
1981-09-1017:40 UTCm62610 76.41NGVD291OUSGSSA
1981-09-1017:40 UTCm62611 75.33NAVD881OUSGSSA
1981-09-1017:40 UTCm7201999.59  1OUSGSSA
1982-02-0216:50 UTCm62610 73.06NGVD291OUSGSSA
1982-02-0216:50 UTCm62611 71.98NAVD881OUSGSSA
1982-02-0216:50 UTCm72019102.94  1OUSGSSA
1982-03-1816:36 UTCm62610 72.88NGVD291OUSGSSA
1982-03-1816:36 UTCm62611 71.80NAVD881OUSGSSA
1982-03-1816:36 UTCm72019103.12  1OUSGSSA
1982-06-3018:17 UTCm62610 72.93NGVD291OUSGSSA
1982-06-3018:17 UTCm62611 71.85NAVD881OUSGSSA
1982-06-3018:17 UTCm72019103.07  1OUSGSSA
1982-09-1015:42 UTCm62610 72.81NGVD291OUSGSSA
1982-09-1015:42 UTCm62611 71.73NAVD881OUSGSSA
1982-09-1015:42 UTCm72019103.19  1OUSGSSA
1982-12-1316:14 UTCm62610 71.53NGVD291OUSGSSA
1982-12-1316:14 UTCm62611 70.45NAVD881OUSGSSA
1982-12-1316:14 UTCm72019104.47  1OUSGSSA
1983-04-0618:14 UTCm62610 71.04NGVD291OUSGSSA
1983-04-0618:14 UTCm62611 69.96NAVD881OUSGSSA
1983-04-0618:14 UTCm72019104.96  1OUSGSSA
1983-06-2015:25 UTCm62610 73.01NGVD291OUSGSSA
1983-06-2015:25 UTCm62611 71.93NAVD881OUSGSSA
1983-06-2015:25 UTCm72019102.99  1OUSGSSA
1983-08-23 D62610 73.81NGVD291OUSGSSA
1983-08-23 D62611 72.73NAVD881OUSGSSA
1983-08-23 D72019102.19  1OUSGSSA
1984-04-2618:07 UTCm62610 74.32NGVD291OUSGSSA
1984-04-2618:07 UTCm62611 73.24NAVD881OUSGSSA
1984-04-2618:07 UTCm72019101.68  1OUSGSSA
1990-03-2717:10 UTCm62610 74.60NGVD291OUSGSSA
1990-03-2717:10 UTCm62611 73.52NAVD881OUSGSSA
1990-03-2717:10 UTCm72019101.40  1OUSGSSA
1991-03-2017:55 UTCm62610 77.00NGVD291OUSGSSA
1991-03-2017:55 UTCm62611 75.92NAVD881OUSGSSA
1991-03-2017:55 UTCm7201999.00  1OUSGSSA
1992-03-1819:28 UTCm62610 75.72NGVD291OUSGSSA
1992-03-1819:28 UTCm62611 74.64NAVD881OUSGSSA
1992-03-1819:28 UTCm72019100.28  1OUSGSSA
1992-06-0416:45 UTCm62610 74.97NGVD291OUSGSSA
1992-06-0416:45 UTCm62611 73.89NAVD881OUSGSSA
1992-06-0416:45 UTCm72019101.03  1OUSGSSA
1992-12-0417:55 UTCm62610 72.93NGVD291OUSGSSA
1992-12-0417:55 UTCm62611 71.85NAVD881OUSGSSA
1992-12-0417:55 UTCm72019103.07  1OUSGSSA
1993-03-3118:34 UTCm62610 72.81NGVD291OUSGSSA
1993-03-3118:34 UTCm62611 71.73NAVD881OUSGSSA
1993-03-3118:34 UTCm72019103.19  1OUSGSSA
1993-06-2220:29 UTCm62610 73.44NGVD291OUSGSSA
1993-06-2220:29 UTCm62611 72.36NAVD881OUSGSSA
1993-06-2220:29 UTCm72019102.56  1OUSGSSA
1993-12-2719:03 UTCm62610 71.71NGVD291OUSGSSA
1993-12-2719:03 UTCm62611 70.63NAVD881OUSGSSA
1993-12-2719:03 UTCm72019104.29  1OUSGSSA
1994-03-3017:17 UTCm62610 71.87NGVD291OUSGSSA
1994-03-3017:17 UTCm62611 70.79NAVD881OUSGSSA
1994-03-3017:17 UTCm72019104.13  1OUSGSSA
1994-06-0919:53 UTCm62610 72.01NGVD291OUSGSSA
1994-06-0919:53 UTCm62611 70.93NAVD881OUSGSSA
1994-06-0919:53 UTCm72019103.99  1OUSGSSA
1994-12-2214:42 UTCm62610 71.03NGVD291OUSGSSA
1994-12-2214:42 UTCm62611 69.95NAVD881OUSGSSA
1994-12-2214:42 UTCm72019104.97  1OUSGSSA
1995-03-1414:41 UTCm62610 70.55NGVD291OUSGSSA
1995-03-1414:41 UTCm62611 69.47NAVD881OUSGSSA
1995-03-1414:41 UTCm72019105.45  1OUSGSSA
1995-06-1518:17 UTCm62610 69.78NGVD291OUSGSSA
1995-06-1518:17 UTCm62611 68.70NAVD881OUSGSSA
1995-06-1518:17 UTCm72019106.22  1OUSGSSA
1995-12-0718:15 UTCm62610 67.90NGVD291OUSGSSA
1995-12-0718:15 UTCm62611 66.82NAVD881OUSGSSA
1995-12-0718:15 UTCm72019108.10  1OUSGSSA
1996-03-2019:50 UTCm62610 67.60NGVD291OUSGSSA
1996-03-2019:50 UTCm62611 66.52NAVD881OUSGSSA
1996-03-2019:50 UTCm72019108.40  1OUSGSSA
1996-05-1714:45 UTCm62610 67.94NGVD291OUSGSSA
1996-05-1714:45 UTCm62611 66.86NAVD881OUSGSSA
1996-05-1714:45 UTCm72019108.06  1OUSGSSA
1996-09-1218:10 UTCm62610 67.97NGVD291OUSGSSA
1996-09-1218:10 UTCm62611 66.89NAVD881OUSGSSA
1996-09-1218:10 UTCm72019108.03  1OUSGSSA
1996-12-1220:50 UTCm62610 69.20NGVD291OUSGSSA
1996-12-1220:50 UTCm62611 68.12NAVD881OUSGSSA
1996-12-1220:50 UTCm72019106.80  1OUSGSSA
1997-03-1116:36 UTCm62610 70.01NGVD291OUSGSSA
1997-03-1116:36 UTCm62611 68.93NAVD881OUSGSSA
1997-03-1116:36 UTCm72019105.99  1OUSGSSA
1997-03-1120:35 UTCm62610 69.96NGVD291OUSGSSA
1997-03-1120:35 UTCm62611 68.88NAVD881OUSGSSA
1997-03-1120:35 UTCm72019106.04  1OUSGSSA
1997-05-2220:45 UTCm62610 70.95NGVD291OUSGSSA
1997-05-2220:45 UTCm62611 69.87NAVD881OUSGSSA
1997-05-2220:45 UTCm72019105.05  1OUSGSSA
1997-07-2313:15 UTCm62610 71.09NGVD291OUSGSSA
1997-07-2313:15 UTCm62611 70.01NAVD881OUSGSSA
1997-07-2313:15 UTCm72019104.91  1OUSGSSA
1997-08-2013:20 UTCm62610 70.98NGVD291OUSGSSA
1997-08-2013:20 UTCm62611 69.90NAVD881OUSGSSA
1997-08-2013:20 UTCm72019105.02  1OUSGSSA
1997-09-1613:59 UTCm62610 70.92NGVD291OUSGSSA
1997-09-1613:59 UTCm62611 69.84NAVD881OUSGSSA
1997-09-1613:59 UTCm72019105.08  1OUSGSSA
1998-03-2414:00 UTCm62610 70.72NGVD291SUSGSSA
1998-03-2414:00 UTCm62611 69.64NAVD881SUSGSSA
1998-03-2414:00 UTCm72019105.28  1SUSGSSA

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