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Groundwater levels for the Nation

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USGS 404928073313401 N 9317. 1

Nassau County, New York
Latitude  40°49'28.8", Longitude  73°31'33.7" NAD83
Land-surface elevation 217.4 feet above NGVD29
The depth of the well is 193.55 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
?
 
Measuring
agency
?
 
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measurement
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Water-level
approval
status
1977-06-1316:20 UTCm62610 75.71NGVD291OUSGSSA
1977-06-1316:20 UTCm62611 74.63NAVD881OUSGSSA
1977-06-1316:20 UTCm72019142.29  1OUSGSSA
1977-09-0715:40 UTCm62610 74.45NGVD291OUSGSSA
1977-09-0715:40 UTCm62611 73.37NAVD881OUSGSSA
1977-09-0715:40 UTCm72019143.55  1OUSGSSA
1977-12-2115:22 UTCm62610 74.10NGVD291OUSGSSA
1977-12-2115:22 UTCm62611 73.02NAVD881OUSGSSA
1977-12-2115:22 UTCm72019143.90  1OUSGSSA
1978-03-2815:36 UTCm62610 75.32NGVD291OUSGSSA
1978-03-2815:36 UTCm62611 74.24NAVD881OUSGSSA
1978-03-2815:36 UTCm72019142.68  1OUSGSSA
1978-06-0719:45 UTCm62610 76.27NGVD291OUSGSSA
1978-06-0719:45 UTCm62611 75.19NAVD881OUSGSSA
1978-06-0719:45 UTCm72019141.73  1OUSGSSA
1978-09-1119:14 UTCm62610 76.85NGVD291OUSGSSA
1978-09-1119:14 UTCm62611 75.77NAVD881OUSGSSA
1978-09-1119:14 UTCm72019141.15  1OUSGSSA
1978-12-0615:45 UTCm62610 77.28NGVD291OUSGSSA
1978-12-0615:45 UTCm62611 76.20NAVD881OUSGSSA
1978-12-0615:45 UTCm72019140.72  1OUSGSSA
1979-03-1215:27 UTCm62610 77.85NGVD291OUSGSSA
1979-03-1215:27 UTCm62611 76.77NAVD881OUSGSSA
1979-03-1215:27 UTCm72019140.15  1OUSGSSA
1979-06-0719:57 UTCm62610 78.87NGVD291OUSGSSA
1979-06-0719:57 UTCm62611 77.79NAVD881OUSGSSA
1979-06-0719:57 UTCm72019139.13  1OUSGSSA
1979-09-1416:18 UTCm62610 79.46NGVD291OUSGSSA
1979-09-1416:18 UTCm62611 78.38NAVD881OUSGSSA
1979-09-1416:18 UTCm72019138.54  1OUSGSSA
1979-12-1019:40 UTCm62610 80.02NGVD291OUSGSSA
1979-12-1019:40 UTCm62611 78.94NAVD881OUSGSSA
1979-12-1019:40 UTCm72019137.98  1OUSGSSA
1980-03-1415:25 UTCm62610 79.70NGVD291OUSGSSA
1980-03-1415:25 UTCm62611 78.62NAVD881OUSGSSA
1980-03-1415:25 UTCm72019138.30  1OUSGSSA
1980-05-2820:42 UTCm62610 79.40NGVD291OUSGSSA
1980-05-2820:42 UTCm62611 78.32NAVD881OUSGSSA
1980-05-2820:42 UTCm72019138.60  1OUSGSSA
1980-09-0416:17 UTCm62610 78.42NGVD291OUSGSSA
1980-09-0416:17 UTCm62611 77.34NAVD881OUSGSSA
1980-09-0416:17 UTCm72019139.58  1OUSGSSA
1980-12-1818:00 UTCm62610 78.44NGVD291OUSGSSA
1980-12-1818:00 UTCm62611 77.36NAVD881OUSGSSA
1980-12-1818:00 UTCm72019139.56  1OUSGSSA
1981-03-1315:12 UTCm62610 77.81NGVD291OUSGSSA
1981-03-1315:12 UTCm62611 76.73NAVD881OUSGSSA
1981-03-1315:12 UTCm72019140.19  1OUSGSSA
1981-06-0317:45 UTCm62610 76.68NGVD291OUSGSSA
1981-06-0317:45 UTCm62611 75.60NAVD881OUSGSSA
1981-06-0317:45 UTCm72019141.32  1OUSGSSA
1981-09-1415:59 UTCm62610 75.20NGVD291OUSGSSA
1981-09-1415:59 UTCm62611 74.12NAVD881OUSGSSA
1981-09-1415:59 UTCm72019142.80  1OUSGSSA
1982-01-0818:55 UTCm62610 74.72NGVD291OUSGSSA
1982-01-0818:55 UTCm62611 73.64NAVD881OUSGSSA
1982-01-0818:55 UTCm72019143.28  1OUSGSSA
1982-03-1815:26 UTCm62610 74.73NGVD291OUSGSSA
1982-03-1815:26 UTCm62611 73.65NAVD881OUSGSSA
1982-03-1815:26 UTCm72019143.27  1OUSGSSA
1982-04-0815:37 UTCm62610 73.84NGVD291OUSGSSA
1982-04-0815:37 UTCm62611 72.76NAVD881OUSGSSA
1982-04-0815:37 UTCm72019144.16  1OUSGSSA
1982-09-0817:00 UTCm62610 74.95NGVD291OUSGSSA
1982-09-0817:00 UTCm62611 73.87NAVD881OUSGSSA
1982-09-0817:00 UTCm72019143.05  1OUSGSSA
1982-12-0915:29 UTCm62610 74.82NGVD291OUSGSSA
1982-12-0915:29 UTCm62611 73.74NAVD881OUSGSSA
1982-12-0915:29 UTCm72019143.18  1OUSGSSA
1983-04-0815:37 UTCm62610 73.84NGVD291OUSGSSA
1983-04-0815:37 UTCm62611 72.76NAVD881OUSGSSA
1983-04-0815:37 UTCm72019144.16  1OUSGSSA
1983-06-2316:27 UTCm62610 72.75NGVD291OUSGSSA
1983-06-2316:27 UTCm62611 71.67NAVD881OUSGSSA
1983-06-2316:27 UTCm72019145.25  1OUSGSSA
1983-08-09 D62610 75.32NGVD291OUSGSSA
1983-08-09 D62611 74.24NAVD881OUSGSSA
1983-08-09 D72019142.68  1OUSGSSA
1984-05-0716:28 UTCm62610 75.21NGVD291OUSGSSA
1984-05-0716:28 UTCm62611 74.13NAVD881OUSGSSA
1984-05-0716:28 UTCm72019142.79  1OUSGSSA
1990-03-2619:18 UTCm62610 72.60NGVD291OUSGSSA
1990-03-2619:18 UTCm62611 71.52NAVD881OUSGSSA
1990-03-2619:18 UTCm72019145.40  1OUSGSSA
1992-04-2416:40 UTCm62610 73.93NGVD291OUSGSSA
1992-04-2416:40 UTCm62611 72.85NAVD881OUSGSSA
1992-04-2416:40 UTCm72019144.07  1OUSGSSA
1992-05-1919:29 UTCm62610 74.08NGVD291OUSGSSA
1992-05-1919:29 UTCm62611 73.00NAVD881OUSGSSA
1992-05-1919:29 UTCm72019143.92  1OUSGSSA
1992-06-0416:11 UTCm62610 73.23NGVD291OUSGSSA
1992-06-0416:11 UTCm62611 72.15NAVD881OUSGSSA
1992-06-0416:11 UTCm72019144.77  1OUSGSSA
1992-06-1616:55 UTCm62610 73.02NGVD291OUSGSSA
1992-06-1616:55 UTCm62611 71.94NAVD881OUSGSSA
1992-06-1616:55 UTCm72019144.98  1OUSGSSA
1992-07-1418:21 UTCm62610 72.38NGVD291OUSGSSA
1992-07-1418:21 UTCm62611 71.30NAVD881OUSGSSA
1992-07-1418:21 UTCm72019145.62  1OUSGSSA
1992-08-2018:40 UTCm62610 71.64NGVD291OUSGSSA
1992-08-2018:40 UTCm62611 70.56NAVD881OUSGSSA
1992-08-2018:40 UTCm72019146.36  1OUSGSSA
1992-09-3015:32 UTCm62610 71.03NGVD291OUSGSSA
1992-09-3015:32 UTCm62611 69.95NAVD881OUSGSSA
1992-09-3015:32 UTCm72019146.97  1OUSGSSA
1992-10-2018:19 UTCm62610 70.87NGVD291OUSGSSA
1992-10-2018:19 UTCm62611 69.79NAVD881OUSGSSA
1992-10-2018:19 UTCm72019147.13  1OUSGSSA
1992-11-1821:00 UTCm62610 70.73NGVD291OUSGSSA
1992-11-1821:00 UTCm62611 69.65NAVD881OUSGSSA
1992-11-1821:00 UTCm72019147.27  1OUSGSSA
1993-01-0420:08 UTCm62610 70.61NGVD291OUSGSSA
1993-01-0420:08 UTCm62611 69.53NAVD881OUSGSSA
1993-01-0420:08 UTCm72019147.39  1OUSGSSA
1993-01-2118:50 UTCm62610 70.64NGVD291OUSGSSA
1993-01-2118:50 UTCm62611 69.56NAVD881OUSGSSA
1993-01-2118:50 UTCm72019147.36  1OUSGSSA
1993-02-2314:29 UTCm62610 70.61NGVD291OUSGSSA
1993-02-2314:29 UTCm62611 69.53NAVD881OUSGSSA
1993-02-2314:29 UTCm72019147.39  1OUSGSSA
1993-04-1218:08 UTCm62610 70.72NGVD291SUSGSSA
1993-04-1218:08 UTCm62611 69.64NAVD881SUSGSSA
1993-04-1218:08 UTCm72019147.28  1SUSGSSA
1993-04-2216:54 UTCm62610 70.75NGVD291OUSGSSA
1993-04-2216:54 UTCm62611 69.67NAVD881OUSGSSA
1993-04-2216:54 UTCm72019147.25  1OUSGSSA
1993-05-1717:45 UTCm62610 70.47NGVD291OUSGSSA
1993-05-1717:45 UTCm62611 69.39NAVD881OUSGSSA
1993-05-1717:45 UTCm72019147.53  1OUSGSSA
1993-06-1619:28 UTCm62610 69.93NGVD291OUSGSSA
1993-06-1619:28 UTCm62611 68.85NAVD881OUSGSSA
1993-06-1619:28 UTCm72019148.07  1OUSGSSA
1993-06-2214:28 UTCm62610 69.85NGVD291OUSGSSA
1993-06-2214:28 UTCm62611 68.77NAVD881OUSGSSA
1993-06-2214:28 UTCm72019148.15  1OUSGSSA
1993-07-1912:53 UTCm62610 69.27NGVD291OUSGSSA
1993-07-1912:53 UTCm62611 68.19NAVD881OUSGSSA
1993-07-1912:53 UTCm72019148.73  1OUSGSSA
1993-08-1818:09 UTCm62610 68.89NGVD291OUSGSSA
1993-08-1818:09 UTCm62611 67.81NAVD881OUSGSSA
1993-08-1818:09 UTCm72019149.11  1OUSGSSA
1993-09-2411:42 UTCm62610 68.42NGVD291OUSGSSA
1993-09-2411:42 UTCm62611 67.34NAVD881OUSGSSA
1993-09-2411:42 UTCm72019149.58  1OUSGSSA
1993-10-2518:31 UTCm62610 68.82NGVD291OUSGSSA
1993-10-2518:31 UTCm62611 67.74NAVD881OUSGSSA
1993-10-2518:31 UTCm72019149.18  1OUSGSSA
1993-11-2218:45 UTCm62610 68.92NGVD291OUSGSSA
1993-11-2218:45 UTCm62611 67.84NAVD881OUSGSSA
1993-11-2218:45 UTCm72019149.08  1OUSGSSA
1993-12-2019:21 UTCm62610 69.02NGVD291OUSGSSA
1993-12-2019:21 UTCm62611 67.94NAVD881OUSGSSA
1993-12-2019:21 UTCm72019148.98  1OUSGSSA
1994-04-1918:08 UTCm62610 69.42NGVD291OUSGSSA
1994-04-1918:08 UTCm62611 68.34NAVD881OUSGSSA
1994-04-1918:08 UTCm72019148.58  1OUSGSSA
1994-05-1915:07 UTCm62610 69.38NGVD291OUSGSSA
1994-05-1915:07 UTCm62611 68.30NAVD881OUSGSSA
1994-05-1915:07 UTCm72019148.62  1OUSGSSA
1994-06-1015:14 UTCm62610 69.05NGVD291OUSGSSA
1994-06-1015:14 UTCm62611 67.97NAVD881OUSGSSA
1994-06-1015:14 UTCm72019148.95  1OUSGSSA
1994-06-1717:49 UTCm62610 68.97NGVD291OUSGSSA
1994-06-1717:49 UTCm62611 67.89NAVD881OUSGSSA
1994-06-1717:49 UTCm72019149.03  1OUSGSSA
1994-07-2019:35 UTCm62610 68.15NGVD291OUSGSSA
1994-07-2019:35 UTCm62611 67.07NAVD881OUSGSSA
1994-07-2019:35 UTCm72019149.85  1OUSGSSA
1994-08-2418:17 UTCm62610 67.79NGVD291OUSGSSA
1994-08-2418:17 UTCm62611 66.71NAVD881OUSGSSA
1994-08-2418:17 UTCm72019150.21  1OUSGSSA
1994-09-2018:44 UTCm62610 67.51NGVD291OUSGSSA
1994-09-2018:44 UTCm62611 66.43NAVD881OUSGSSA
1994-09-2018:44 UTCm72019150.49  1OUSGSSA
1994-10-1818:29 UTCm62610 67.68NGVD291OUSGSSA
1994-10-1818:29 UTCm62611 66.60NAVD881OUSGSSA
1994-10-1818:29 UTCm72019150.32  1OUSGSSA
1994-12-1319:03 UTCm62610 67.86NGVD291OUSGSSA
1994-12-1319:03 UTCm62611 66.78NAVD881OUSGSSA
1994-12-1319:03 UTCm72019150.14  1OUSGSSA
1995-01-1816:18 UTCm62610 67.95NGVD291OUSGSSA
1995-01-1816:18 UTCm62611 66.87NAVD881OUSGSSA
1995-01-1816:18 UTCm72019150.05  1OUSGSSA
1995-05-1915:11 UTCm62610 67.73NGVD291OUSGSSA
1995-05-1915:11 UTCm62611 66.65NAVD881OUSGSSA
1995-05-1915:11 UTCm72019150.27  1OUSGSSA
1995-06-1417:21 UTCm62610 67.04NGVD291OUSGSSA
1995-06-1417:21 UTCm62611 65.96NAVD881OUSGSSA
1995-06-1417:21 UTCm72019150.96  1OUSGSSA
1995-07-2712:31 UTCm62610 66.01NGVD291OUSGSSA
1995-07-2712:31 UTCm62611 64.93NAVD881OUSGSSA
1995-07-2712:31 UTCm72019151.99  1OUSGSSA
1995-09-2012:02 UTCm62610 64.83NGVD291OUSGSSA
1995-09-2012:02 UTCm62611 63.75NAVD881OUSGSSA
1995-09-2012:02 UTCm72019153.17  1OUSGSSA
1995-12-0614:45 UTCm62610 64.94NGVD291OUSGSSA
1995-12-0614:45 UTCm62611 63.86NAVD881OUSGSSA
1995-12-0614:45 UTCm72019153.06  1OUSGSSA
1995-12-0817:23 UTCm62610 64.60NGVD291OUSGSSA
1995-12-0817:23 UTCm62611 63.52NAVD881OUSGSSA
1995-12-0817:23 UTCm72019153.40  1OUSGSSA
1996-01-2220:15 UTCm62610 64.43NGVD291OUSGSSA
1996-01-2220:15 UTCm62611 63.35NAVD881OUSGSSA
1996-01-2220:15 UTCm72019153.57  1OUSGSSA
1996-03-1817:57 UTCm62610 64.50NGVD291OUSGSSA
1996-03-1817:57 UTCm62611 63.42NAVD881OUSGSSA
1996-03-1817:57 UTCm72019153.50  1OUSGSSA
1996-05-1614:16 UTCm62610 64.46NGVD291OUSGSSA
1996-05-1614:16 UTCm62611 63.38NAVD881OUSGSSA
1996-05-1614:16 UTCm72019153.54  1OUSGSSA
1996-06-2816:42 UTCm62610 64.20NGVD291OUSGSSA
1996-06-2816:42 UTCm62611 63.12NAVD881OUSGSSA
1996-06-2816:42 UTCm72019153.80  1OUSGSSA
1996-09-1114:10 UTCm62610 64.25NGVD291OUSGSSA
1996-09-1114:10 UTCm62611 63.17NAVD881OUSGSSA
1996-09-1114:10 UTCm72019153.75  1OUSGSSA
1996-12-1215:20 UTCm62610 65.52NGVD291OUSGSSA
1996-12-1215:20 UTCm62611 64.44NAVD881OUSGSSA
1996-12-1215:20 UTCm72019152.48  1OUSGSSA
1997-03-1114:50 UTCm62610 66.86NGVD291OUSGSSA
1997-03-1114:50 UTCm62611 65.78NAVD881OUSGSSA
1997-03-1114:50 UTCm72019151.14  1OUSGSSA
1997-05-2213:15 UTCm62610 67.72NGVD291OUSGSSA
1997-05-2213:15 UTCm62611 66.64NAVD881OUSGSSA
1997-05-2213:15 UTCm72019150.28  1OUSGSSA
1997-07-2213:25 UTCm62610 67.20NGVD291OUSGSSA
1997-07-2213:25 UTCm62611 66.12NAVD881OUSGSSA
1997-07-2213:25 UTCm72019150.80  1OUSGSSA
1997-08-2116:55 UTCm62610 67.12NGVD291OUSGSSA
1997-08-2116:55 UTCm62611 66.04NAVD881OUSGSSA
1997-08-2116:55 UTCm72019150.88  1OUSGSSA
1997-09-1614:05 UTCm62610 66.94NGVD291OUSGSSA
1997-09-1614:05 UTCm62611 65.86NAVD881OUSGSSA
1997-09-1614:05 UTCm72019151.06  1OUSGSSA

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.