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Groundwater levels for the Nation

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USGS 405144073432902 N 9118. 1

Nassau County, New York
Latitude  40°51'44", Longitude  73°43'29" NAD27
Land-surface elevation 51.0 feet above NGVD29
The depth of the well is 100 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 Glacial Aquifer, Upper (112GLCLU) local aquifer.
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Date Time
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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
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
1976-04-14 D62610 5.91NGVD291OUSGSSA
1976-04-14 D62611 4.82NAVD881OUSGSSA
1976-04-14 D7201945.09  1OUSGSSA
1976-06-0318:20 UTCm62610 5.67NGVD291OUSGSSA
1976-06-0318:20 UTCm62611 4.58NAVD881OUSGSSA
1976-06-0318:20 UTCm7201945.33  1OUSGSSA
1976-09-0218:15 UTCm62610 4.54NGVD291OUSGSSA
1976-09-0218:15 UTCm62611 3.45NAVD881OUSGSSA
1976-09-0218:15 UTCm7201946.46  1OUSGSSA
1976-12-0108:45 UTCm62610 4.01NGVD291OUSGSSA
1976-12-0108:45 UTCm62611 2.92NAVD881OUSGSSA
1976-12-0108:45 UTCm7201946.99  1OUSGSSA
1977-03-2318:46 UTCm62610 4.20NGVD291OUSGSSA
1977-03-2318:46 UTCm62611 3.11NAVD881OUSGSSA
1977-03-2318:46 UTCm7201946.80  1OUSGSSA
1977-06-0818:15 UTCm62610 4.54NGVD291OUSGSSA
1977-06-0818:15 UTCm62611 3.45NAVD881OUSGSSA
1977-06-0818:15 UTCm7201946.46  1OUSGSSA
1977-08-3018:20 UTCm62610 4.22NGVD291OUSGSSA
1977-08-3018:20 UTCm62611 3.13NAVD881OUSGSSA
1977-08-3018:20 UTCm7201946.78  1OUSGSSA
1977-12-1218:20 UTCm62610 4.44NGVD291OUSGSSA
1977-12-1218:20 UTCm62611 3.35NAVD881OUSGSSA
1977-12-1218:20 UTCm7201946.56  1OUSGSSA
1978-03-2214:45 UTCm62610 5.36NGVD291OUSGSSA
1978-03-2214:45 UTCm62611 4.27NAVD881OUSGSSA
1978-03-2214:45 UTCm7201945.64  1OUSGSSA
1978-06-0118:30 UTCm62610 5.74NGVD291OUSGSSA
1978-06-0118:30 UTCm62611 4.65NAVD881OUSGSSA
1978-06-0118:30 UTCm7201945.26  1OUSGSSA
1978-09-1815:41 UTCm62610 4.59NGVD291OUSGSSA
1978-09-1815:41 UTCm62611 3.50NAVD881OUSGSSA
1978-09-1815:41 UTCm7201946.41  1OUSGSSA
1978-12-1717:45 UTCm62610 4.03NGVD291OUSGSSA
1978-12-1717:45 UTCm62611 2.94NAVD881OUSGSSA
1978-12-1717:45 UTCm7201946.97  1OUSGSSA
1979-03-0115:25 UTCm62610 5.37NGVD291OUSGSSA
1979-03-0115:25 UTCm62611 4.28NAVD881OUSGSSA
1979-03-0115:25 UTCm7201945.63  1OUSGSSA
1979-06-0517:35 UTCm62610 5.90NGVD291OUSGSSA
1979-06-0517:35 UTCm62611 4.81NAVD881OUSGSSA
1979-06-0517:35 UTCm7201945.10  1OUSGSSA
1979-09-1014:41 UTCm62610 4.41NGVD291OUSGSSA
1979-09-1014:41 UTCm62611 3.32NAVD881OUSGSSA
1979-09-1014:41 UTCm7201946.59  1OUSGSSA
1979-12-0518:25 UTCm62610 4.21NGVD291OUSGSSA
1979-12-0518:25 UTCm62611 3.12NAVD881OUSGSSA
1979-12-0518:25 UTCm7201946.79  1OUSGSSA
1980-03-1814:51 UTCm62610 4.00NGVD291OUSGSSA
1980-03-1814:51 UTCm62611 2.91NAVD881OUSGSSA
1980-03-1814:51 UTCm7201947.00  1OUSGSSA
1980-05-2817:40 UTCm62610 5.45NGVD291OUSGSSA
1980-05-2817:40 UTCm62611 4.36NAVD881OUSGSSA
1980-05-2817:40 UTCm7201945.55  1OUSGSSA
1980-09-0217:40 UTCm62610 4.11NGVD291OUSGSSA
1980-09-0217:40 UTCm62611 3.02NAVD881OUSGSSA
1980-09-0217:40 UTCm7201946.89  1OUSGSSA
1980-12-1618:33 UTCm62610 3.61NGVD291OUSGSSA
1980-12-1618:33 UTCm62611 2.52NAVD881OUSGSSA
1980-12-1618:33 UTCm7201947.39  1OUSGSSA
1981-03-0418:01 UTCm62610 4.19NGVD291OUSGSSA
1981-03-0418:01 UTCm62611 3.10NAVD881OUSGSSA
1981-03-0418:01 UTCm7201946.81  1OUSGSSA
1981-06-0316:45 UTCm62610 4.26NGVD291OUSGSSA
1981-06-0316:45 UTCm62611 3.17NAVD881OUSGSSA
1981-06-0316:45 UTCm7201946.74  1OUSGSSA
1981-08-3117:45 UTCm62610 3.39NGVD291OUSGSSA
1981-08-3117:45 UTCm62611 2.30NAVD881OUSGSSA
1981-08-3117:45 UTCm7201947.61  1OUSGSSA
1981-12-0818:27 UTCm62610 3.54NGVD291OUSGSSA
1981-12-0818:27 UTCm62611 2.45NAVD881OUSGSSA
1981-12-0818:27 UTCm7201947.46  1OUSGSSA
1982-03-1717:44 UTCm62610 3.94NGVD291OUSGSSA
1982-03-1717:44 UTCm62611 2.85NAVD881OUSGSSA
1982-03-1717:44 UTCm7201947.06  1OUSGSSA
1982-06-2819:00 UTCm62610 4.64NGVD291OUSGSSA
1982-06-2819:00 UTCm62611 3.55NAVD881OUSGSSA
1982-06-2819:00 UTCm7201946.36  1OUSGSSA
1982-08-3118:20 UTCm62610 4.12NGVD291OUSGSSA
1982-08-3118:20 UTCm62611 3.03NAVD881OUSGSSA
1982-08-3118:20 UTCm7201946.88  1OUSGSSA
1982-12-2018:40 UTCm62610 4.37NGVD291OUSGSSA
1982-12-2018:40 UTCm62611 3.28NAVD881OUSGSSA
1982-12-2018:40 UTCm7201946.63  1OUSGSSA
1983-04-0518:12 UTCm62610 5.39NGVD291OUSGSSA
1983-04-0518:12 UTCm62611 4.30NAVD881OUSGSSA
1983-04-0518:12 UTCm7201945.61  1OUSGSSA
1990-03-2715:55 UTCm62610 4.58NGVD294OUSGSSA
1990-03-2715:55 UTCm62611 3.49NAVD884OUSGSSA
1990-03-2715:55 UTCm7201946.42  4OUSGSSA
1991-03-2018:50 UTCm62610 4.92NGVD294OUSGSSA
1991-03-2018:50 UTCm62611 3.83NAVD884OUSGSSA
1991-03-2018:50 UTCm7201946.08  4OUSGSSA
1991-11-0414:54 UTCm62610 3.95NGVD291OUSGSSA
1991-11-0414:54 UTCm62611 2.86NAVD881OUSGSSA
1991-11-0414:54 UTCm7201947.05  1OUSGSSA
1992-03-1613:52 UTCm62610 3.80NGVD294OUSGSSA
1992-03-1613:52 UTCm62611 2.71NAVD884OUSGSSA
1992-03-1613:52 UTCm7201947.20  4OUSGSSA
1992-05-2813:58 UTCm62610 3.88NGVD294OUSGSSA
1992-05-2813:58 UTCm62611 2.79NAVD884OUSGSSA
1992-05-2813:58 UTCm7201947.12  4OUSGSSA
1992-12-0915:55 UTCm62610 3.61NGVD294OUSGSSA
1992-12-0915:55 UTCm62611 2.52NAVD884OUSGSSA
1992-12-0915:55 UTCm7201947.39  4OUSGSSA
1993-03-2618:45 UTCm62610 4.76NGVD294OUSGSSA
1993-03-2618:45 UTCm62611 3.67NAVD884OUSGSSA
1993-03-2618:45 UTCm7201946.24  4OUSGSSA
1993-06-2420:33 UTCm62610 4.75NGVD294OUSGSSA
1993-06-2420:33 UTCm62611 3.66NAVD884OUSGSSA
1993-06-2420:33 UTCm7201946.25  4OUSGSSA
1993-10-0519:07 UTCm62610 3.65NGVD294OUSGSSA
1993-10-0519:07 UTCm62611 2.56NAVD884OUSGSSA
1993-10-0519:07 UTCm7201947.35  4OUSGSSA
1993-12-2918:25 UTCm62610 3.87NGVD294OUSGSSA
1993-12-2918:25 UTCm62611 2.78NAVD884OUSGSSA
1993-12-2918:25 UTCm7201947.13  4OUSGSSA
1994-03-3119:54 UTCm62610 4.86NGVD294OUSGSSA
1994-03-3119:54 UTCm62611 3.77NAVD884OUSGSSA
1994-03-3119:54 UTCm7201946.14  4OUSGSSA
1994-06-0716:50 UTCm62610 4.87NGVD294OUSGSSA
1994-06-0716:50 UTCm62611 3.78NAVD884OUSGSSA
1994-06-0716:50 UTCm7201946.13  4OUSGSSA
1994-09-1917:15 UTCm62610 3.80NGVD294OUSGSSA
1994-09-1917:15 UTCm62611 2.71NAVD884OUSGSSA
1994-09-1917:15 UTCm7201947.20  4OUSGSSA
1994-12-1516:32 UTCm62610 3.79NGVD294OUSGSSA
1994-12-1516:32 UTCm62611 2.70NAVD884OUSGSSA
1994-12-1516:32 UTCm7201947.21  4OUSGSSA
1995-03-1616:03 UTCm62610 4.04NGVD294OUSGSSA
1995-03-1616:03 UTCm62611 2.95NAVD884OUSGSSA
1995-03-1616:03 UTCm7201946.96  4OUSGSSA
1995-06-1317:02 UTCm62610 3.92NGVD294OUSGSSA
1995-06-1317:02 UTCm62611 2.83NAVD884OUSGSSA
1995-06-1317:02 UTCm7201947.08  4OUSGSSA
1995-08-2314:55 UTCm62610 3.55NGVD291OUSGSSA
1995-08-2314:55 UTCm62611 2.46NAVD881OUSGSSA
1995-08-2314:55 UTCm7201947.45  1OUSGSSA
1995-12-0516:19 UTCm62610 3.67NGVD294OUSGSSA
1995-12-0516:19 UTCm62611 2.58NAVD884OUSGSSA
1995-12-0516:19 UTCm7201947.33  4OUSGSSA
1996-03-1917:49 UTCm62610 4.23NGVD294OUSGSSA
1996-03-1917:49 UTCm62611 3.14NAVD884OUSGSSA
1996-03-1917:49 UTCm7201946.77  4OUSGSSA
1996-05-1516:18 UTCm62610 4.91NGVD294OUSGSSA
1996-05-1516:18 UTCm62611 3.82NAVD884OUSGSSA
1996-05-1516:18 UTCm7201946.09  4OUSGSSA
1996-09-1116:35 UTCm62610 3.96NGVD294OUSGSSA
1996-09-1116:35 UTCm62611 2.87NAVD884OUSGSSA
1996-09-1116:35 UTCm7201947.04  4OUSGSSA
1996-12-1116:57 UTCm62610 4.80NGVD294OUSGSSA
1996-12-1116:57 UTCm62611 3.71NAVD884OUSGSSA
1996-12-1116:57 UTCm7201946.20  4OUSGSSA
1997-03-1018:08 UTCm62610 5.04NGVD294OUSGSSA
1997-03-1018:08 UTCm62611 3.95NAVD884OUSGSSA
1997-03-1018:08 UTCm7201945.96  4OUSGSSA
1998-03-2715:56 UTCm62610 5.44NGVD294SUSGSSA
1998-03-2715:56 UTCm62611 4.35NAVD884SUSGSSA
1998-03-2715:56 UTCm7201945.56  4SUSGSSA
2002-03-1519:00 UTCm62610 3.49NGVD294SUSGSSA
2002-03-1519:00 UTCm62611 2.40NAVD884SUSGSSA
2002-03-1519:00 UTCm7201947.51  4SUSGSSA
2003-03-1916:16 UTCm62610 5.18NGVD294SUSGSSA
2003-03-1916:16 UTCm62611 4.09NAVD884SUSGSSA
2003-03-1916:16 UTCm7201945.82  4SUSGSSA
2004-03-2319:38 UTCm62610 4.99NGVD294SUSGSSA
2004-03-2319:38 UTCm62611 3.90NAVD884SUSGSSA
2004-03-2319:38 UTCm7201946.01  4SUSGSSA
2005-03-2416:05 UTCm62610 5.11NGVD294SUSGSSA
2005-03-2416:05 UTCm62611 4.02NAVD884SUSGSSA
2005-03-2416:05 UTCm7201945.89  4SUSGSSA
2006-03-2816:57 UTCm62610 5.35NGVD294SUSGSSA
2006-03-2816:57 UTCm62611 4.26NAVD884SUSGSSA
2006-03-2816:57 UTCm7201945.65  4SUSGSSA
2010-04-2017:18 UTCm62610 7.25NGVD291S  A
2010-04-2017:18 UTCm62611 6.16NAVD881S  A
2010-04-2017:18 UTCm7201943.75  1S  A

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
Status4GWTideAffected
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.