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Groundwater levels for the Nation

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USGS 405018073395301 N 7244. 1

Nassau County, New York
Latitude  40°50'18", Longitude  73°39'54" NAD27
Land-surface elevation 13.9 feet above NGVD29
The depth of the well is 302 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 Port Washington Aquifer (112PGQF) local aquifer.
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Water-level
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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
1981-12-0414:30 UTCm62610 11.81NGVD291OUSGSSA
1981-12-0414:30 UTCm62611 10.72NAVD881OUSGSSA
1981-12-0414:30 UTCm720192.09  1OUSGSSA
1982-01-0512:30 UTCm62610 12.85NGVD294OUSGSSA
1982-01-0512:30 UTCm62611 11.76NAVD884OUSGSSA
1982-01-0512:30 UTCm720191.05  4OUSGSSA
1983-01-1115:15 UTCm62610 13.36NGVD294OUSGSSA
1983-01-1115:15 UTCm62611 12.27NAVD884OUSGSSA
1983-01-1115:15 UTCm720190.54  4OUSGSSA
1984-01-0518:45 UTCm62610 13.42NGVD294OUSGSSA
1984-01-0518:45 UTCm62611 12.33NAVD884OUSGSSA
1984-01-0518:45 UTCm720190.48  4OUSGSSA
1984-01-0518:50 UTCm62610 13.40NGVD294OUSGSSA
1984-01-0518:50 UTCm62611 12.31NAVD884OUSGSSA
1984-01-0518:50 UTCm720190.50  4OUSGSSA
1985-01-0818:07 UTCm62610 14.30NGVD294OUSGSSA
1985-01-0818:07 UTCm62611 13.21NAVD884OUSGSSA
1985-01-0818:07 UTCm72019-0.40  4OUSGSSA
1986-01-3018:15 UTCm62610 12.58NGVD294OUSGSSA
1986-01-3018:15 UTCm62611 11.49NAVD884OUSGSSA
1986-01-3018:15 UTCm720191.32  4OUSGSSA
1988-02-1615:20 UTCm62610 14.06NGVD294OUSGSSA
1988-02-1615:20 UTCm62611 12.97NAVD884OUSGSSA
1988-02-1615:20 UTCm72019-0.16  4OUSGSSA
1988-12-2819:00 UTCm62610 13.40NGVD294OUSGSSA
1988-12-2819:00 UTCm62611 12.31NAVD884OUSGSSA
1988-12-2819:00 UTCm720190.50  4OUSGSSA
1990-03-2919:30 UTCm62610 11.79NGVD294OUSGSSA
1990-03-2919:30 UTCm62611 10.70NAVD884OUSGSSA
1990-03-2919:30 UTCm720192.11  4OUSGSSA
1990-04-2314:50 UTCm62610 13.41NGVD294OUSGSSA
1990-04-2314:50 UTCm62611 12.32NAVD884OUSGSSA
1990-04-2314:50 UTCm720190.49  4OUSGSSA
1991-04-0219:45 UTCm62610 14.23NGVD294OUSGSSA
1991-04-0219:45 UTCm62611 13.14NAVD884OUSGSSA
1991-04-0219:45 UTCm72019-0.33  4OUSGSSA
1991-11-0515:56 UTCm62610 13.58NGVD291OUSGSSA
1991-11-0515:56 UTCm62611 12.49NAVD881OUSGSSA
1991-11-0515:56 UTCm720190.32  1OUSGSSA
1992-03-1715:05 UTCm62610 14.71NGVD294OUSGSSA
1992-03-1715:05 UTCm62611 13.62NAVD884OUSGSSA
1992-03-1715:05 UTCm72019-0.81  4OUSGSSA
1992-04-1716:30 UTCm62610 14.90NGVD294OUSGSSA
1992-04-1716:30 UTCm62611 13.81NAVD884OUSGSSA
1992-04-1716:30 UTCm72019-1.00  4OUSGSSA
1992-06-0216:33 UTCm62610 13.48NGVD294OUSGSSA
1992-06-0216:33 UTCm62611 12.39NAVD884OUSGSSA
1992-06-0216:33 UTCm720190.42  4OUSGSSA
1992-12-0916:44 UTCm62610 13.59NGVD294OUSGSSA
1992-12-0916:44 UTCm62611 12.50NAVD884OUSGSSA
1992-12-0916:44 UTCm720190.31  4OUSGSSA
1993-03-2617:56 UTCm62610 14.91NGVD294OUSGSSA
1993-03-2617:56 UTCm62611 13.82NAVD884OUSGSSA
1993-03-2617:56 UTCm72019-1.01  4OUSGSSA
1993-06-2420:05 UTCm62610 12.29NGVD294OUSGSSA
1993-06-2420:05 UTCm62611 11.20NAVD884OUSGSSA
1993-06-2420:05 UTCm720191.61  4OUSGSSA
1993-10-0518:44 UTCm62610 13.05NGVD294OUSGSSA
1993-10-0518:44 UTCm62611 11.96NAVD884OUSGSSA
1993-10-0518:44 UTCm720190.85  4OUSGSSA
1993-12-2916:24 UTCm62610 13.99NGVD294OUSGSSA
1993-12-2916:24 UTCm62611 12.90NAVD884OUSGSSA
1993-12-2916:24 UTCm72019-0.09  4OUSGSSA
1994-03-3119:37 UTCm62610 14.11NGVD294OUSGSSA
1994-03-3119:37 UTCm62611 13.02NAVD884OUSGSSA
1994-03-3119:37 UTCm72019-0.21  4OUSGSSA
1994-04-2717:55 UTCm62610 14.43NGVD294OUSGSSA
1994-04-2717:55 UTCm62611 13.34NAVD884OUSGSSA
1994-04-2717:55 UTCm72019-0.53  4OUSGSSA
1994-06-0715:45 UTCm62610 12.19NGVD294OUSGSSA
1994-06-0715:45 UTCm62611 11.10NAVD884OUSGSSA
1994-06-0715:45 UTCm720191.71  4OUSGSSA
1994-09-1916:24 UTCm62610 11.18NGVD294OUSGSSA
1994-09-1916:24 UTCm62611 10.09NAVD884OUSGSSA
1994-09-1916:24 UTCm720192.72  4OUSGSSA
1994-12-1516:47 UTCm62610 13.05NGVD294OUSGSSA
1994-12-1516:47 UTCm62611 11.96NAVD884OUSGSSA
1994-12-1516:47 UTCm720190.85  4OUSGSSA
1995-03-1617:20 UTCm62610 13.81NGVD294OUSGSSA
1995-03-1617:20 UTCm62611 12.72NAVD884OUSGSSA
1995-03-1617:20 UTCm720190.09  4OUSGSSA
1995-06-1319:00 UTCm62610 11.81NGVD294OUSGSSA
1995-06-1319:00 UTCm62611 10.72NAVD884OUSGSSA
1995-06-1319:00 UTCm720192.09  4OUSGSSA
1995-08-2315:58 UTCm62610 9.59NGVD294OUSGSSA
1995-08-2315:58 UTCm62611 8.50NAVD884OUSGSSA
1995-08-2315:58 UTCm720194.31  4OUSGSSA
1995-12-0515:55 UTCm62610 12.98NGVD294OUSGSSA
1995-12-0515:55 UTCm62611 11.89NAVD884OUSGSSA
1995-12-0515:55 UTCm720190.92  4OUSGSSA
1996-03-1917:03 UTCm62610 13.19NGVD294OUSGSSA
1996-03-1917:03 UTCm62611 12.10NAVD884OUSGSSA
1996-03-1917:03 UTCm720190.71  4OUSGSSA
1996-05-1515:41 UTCm62610 12.92NGVD294OUSGSSA
1996-05-1515:41 UTCm62611 11.83NAVD884OUSGSSA
1996-05-1515:41 UTCm720190.98  4OUSGSSA
1996-09-1116:17 UTCm62610 9.86NGVD294OUSGSSA
1996-09-1116:17 UTCm62611 8.77NAVD884OUSGSSA
1996-09-1116:17 UTCm720194.04  4OUSGSSA
1996-12-1116:27 UTCm62610 13.77NGVD294OUSGSSA
1996-12-1116:27 UTCm62611 12.68NAVD884OUSGSSA
1996-12-1116:27 UTCm720190.13  4OUSGSSA
1997-03-1017:23 UTCm62610 14.41NGVD294OUSGSSA
1997-03-1017:23 UTCm62611 13.32NAVD884OUSGSSA
1997-03-1017:23 UTCm72019-0.51  4OUSGSSA
2002-03-1517:40 UTCm62610 13.99NGVD294SUSGSSA
2002-03-1517:40 UTCm62611 12.90NAVD884SUSGSSA
2002-03-1517:40 UTCm72019-0.09  4SUSGSSA
2003-03-1917:51 UTCm62610 14.00NGVD294SUSGSSA
2003-03-1917:51 UTCm62611 12.91NAVD884SUSGSSA
2003-03-1917:51 UTCm72019-0.10  4SUSGSSA
2004-03-2318:25 UTCm62610 12.97NGVD294SUSGSSA
2004-03-2318:25 UTCm62611 11.88NAVD884SUSGSSA
2004-03-2318:25 UTCm720190.93  4SUSGSSA
2005-03-2415:14 UTCm62610 14.84NGVD294SUSGSSA
2005-03-2415:14 UTCm62611 13.75NAVD884SUSGSSA
2005-03-2415:14 UTCm72019-0.94  4SUSGSSA
2013-07-2315:34 UTCm62610 12.14NGVD291TUSGSSA
2013-07-2315:34 UTCm62611 11.05NAVD881TUSGSSA
2013-07-2315:34 UTCm720191.76  1TUSGSSA
2013-07-2920:57 UTCm62610 12.20NGVD294TUSGSSA
2013-07-2920:57 UTCm62611 11.11NAVD884TUSGSSA
2013-07-2920:57 UTCm720191.70  4TUSGSSA

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
Status4GWTideAffected
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-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.