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Groundwater levels for the Nation

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USGS 405158073375301 N 9100. 1

Nassau County, New York
Latitude  40°51'58", Longitude  73°37'53" NAD27
Land-surface elevation 54.0 feet above NGVD29
The depth of the well is 70 feet below land surface.
This well is completed in the Port Washington Confining Unit (112PGFG) 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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Status
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1976-03-1615:55 UTCm62610 40.01NGVD291OUSGSSA
1976-03-1615:55 UTCm62611 38.93NAVD881OUSGSSA
1976-03-1615:55 UTCm7201913.99  1OUSGSSA
1976-06-0214:55 UTCm62610 39.94NGVD291OUSGSSA
1976-06-0214:55 UTCm62611 38.86NAVD881OUSGSSA
1976-06-0214:55 UTCm7201914.06  1OUSGSSA
1976-09-0715:15 UTCm62610 39.56NGVD291OUSGSSA
1976-09-0715:15 UTCm62611 38.48NAVD881OUSGSSA
1976-09-0715:15 UTCm7201914.44  1OUSGSSA
1976-12-0319:17 UTCm62610 39.08NGVD291OUSGSSA
1976-12-0319:17 UTCm62611 38.00NAVD881OUSGSSA
1976-12-0319:17 UTCm7201914.92  1OUSGSSA
1977-03-2914:55 UTCm62610 38.52NGVD291OUSGSSA
1977-03-2914:55 UTCm62611 37.44NAVD881OUSGSSA
1977-03-2914:55 UTCm7201915.48  1OUSGSSA
1977-06-0716:35 UTCm62610 38.68NGVD291OUSGSSA
1977-06-0716:35 UTCm62611 37.60NAVD881OUSGSSA
1977-06-0716:35 UTCm7201915.32  1OUSGSSA
1977-09-0815:10 UTCm62610 38.84NGVD291OUSGSSA
1977-09-0815:10 UTCm62611 37.76NAVD881OUSGSSA
1977-09-0815:10 UTCm7201915.16  1OUSGSSA
1977-12-1618:50 UTCm62610 39.14NGVD291OUSGSSA
1977-12-1618:50 UTCm62611 38.06NAVD881OUSGSSA
1977-12-1618:50 UTCm7201914.86  1OUSGSSA
1978-03-2319:04 UTCm62610 40.17NGVD291OUSGSSA
1978-03-2319:04 UTCm62611 39.09NAVD881OUSGSSA
1978-03-2319:04 UTCm7201913.83  1OUSGSSA
1978-06-0616:30 UTCm62610 40.37NGVD291OUSGSSA
1978-06-0616:30 UTCm62611 39.29NAVD881OUSGSSA
1978-06-0616:30 UTCm7201913.63  1OUSGSSA
1978-09-1517:55 UTCm62610 40.64NGVD291OUSGSSA
1978-09-1517:55 UTCm62611 39.56NAVD881OUSGSSA
1978-09-1517:55 UTCm7201913.36  1OUSGSSA
1978-12-0620:45 UTCm62610 40.11NGVD291OUSGSSA
1978-12-0620:45 UTCm62611 39.03NAVD881OUSGSSA
1978-12-0620:45 UTCm7201913.89  1OUSGSSA
1979-03-0517:50 UTCm62610 40.30NGVD291OUSGSSA
1979-03-0517:50 UTCm62611 39.22NAVD881OUSGSSA
1979-03-0517:50 UTCm7201913.70  1OUSGSSA
1979-06-0516:58 UTCm62610 40.82NGVD291OUSGSSA
1979-06-0516:58 UTCm62611 39.74NAVD881OUSGSSA
1979-06-0516:58 UTCm7201913.18  1OUSGSSA
1979-09-1119:53 UTCm62610 40.75NGVD291OUSGSSA
1979-09-1119:53 UTCm62611 39.67NAVD881OUSGSSA
1979-09-1119:53 UTCm7201913.25  1OUSGSSA
1979-12-1016:36 UTCm62610 40.44NGVD291OUSGSSA
1979-12-1016:36 UTCm62611 39.36NAVD881OUSGSSA
1979-12-1016:36 UTCm7201913.56  1OUSGSSA
1980-03-2019:38 UTCm62610 40.04NGVD291OUSGSSA
1980-03-2019:38 UTCm62611 38.96NAVD881OUSGSSA
1980-03-2019:38 UTCm7201913.96  1OUSGSSA
1980-05-3018:29 UTCm62610 40.17NGVD291OUSGSSA
1980-05-3018:29 UTCm62611 39.09NAVD881OUSGSSA
1980-05-3018:29 UTCm7201913.83  1OUSGSSA
1980-09-0514:33 UTCm62610 40.27NGVD291OUSGSSA
1980-09-0514:33 UTCm62611 39.19NAVD881OUSGSSA
1980-09-0514:33 UTCm7201913.73  1OUSGSSA
1980-12-1818:56 UTCm62610 38.98NGVD291OUSGSSA
1980-12-1818:56 UTCm62611 37.90NAVD881OUSGSSA
1980-12-1818:56 UTCm7201915.02  1OUSGSSA
1981-03-0619:09 UTCm62610 39.66NGVD291OUSGSSA
1981-03-0619:09 UTCm62611 38.58NAVD881OUSGSSA
1981-03-0619:09 UTCm7201914.34  1OUSGSSA
1981-06-0915:29 UTCm62610 38.99NGVD291OUSGSSA
1981-06-0915:29 UTCm62611 37.91NAVD881OUSGSSA
1981-06-0915:29 UTCm7201915.01  1OUSGSSA
1981-10-1915:47 UTCm62610 39.29NGVD291OUSGSSA
1981-10-1915:47 UTCm62611 38.21NAVD881OUSGSSA
1981-10-1915:47 UTCm7201914.71  1OUSGSSA
1982-01-1214:53 UTCm62610 38.29NGVD291OUSGSSA
1982-01-1214:53 UTCm62611 37.21NAVD881OUSGSSA
1982-01-1214:53 UTCm7201915.71  1OUSGSSA
1982-03-2214:41 UTCm62610 38.57NGVD291OUSGSSA
1982-03-2214:41 UTCm62611 37.49NAVD881OUSGSSA
1982-03-2214:41 UTCm7201915.43  1OUSGSSA
1982-07-0914:32 UTCm62610 38.97NGVD291OUSGSSA
1982-07-0914:32 UTCm62611 37.89NAVD881OUSGSSA
1982-07-0914:32 UTCm7201915.03  1OUSGSSA
1982-09-1016:39 UTCm62610 38.45NGVD291OUSGSSA
1982-09-1016:39 UTCm62611 37.37NAVD881OUSGSSA
1982-09-1016:39 UTCm7201915.55  1OUSGSSA
1982-12-1318:35 UTCm62610 37.55NGVD291OUSGSSA
1982-12-1318:35 UTCm62611 36.47NAVD881OUSGSSA
1982-12-1318:35 UTCm7201916.45  1OUSGSSA
1983-04-1214:35 UTCm62610 39.19NGVD291OUSGSSA
1983-04-1214:35 UTCm62611 38.11NAVD881OUSGSSA
1983-04-1214:35 UTCm7201914.81  1OUSGSSA
1983-07-0515:23 UTCm62610 40.47NGVD291OUSGSSA
1983-07-0515:23 UTCm62611 39.39NAVD881OUSGSSA
1983-07-0515:23 UTCm7201913.53  1OUSGSSA
1983-08-24 D62610 40.61NGVD291OUSGSSA
1983-08-24 D62611 39.53NAVD881OUSGSSA
1983-08-24 D7201913.39  1OUSGSSA
1984-05-0120:20 UTCm62610 40.51NGVD291OUSGSSA
1984-05-0120:20 UTCm62611 39.43NAVD881OUSGSSA
1984-05-0120:20 UTCm7201913.49  1OUSGSSA
1990-03-2816:51 UTCm62610 40.02NGVD294OUSGSSA
1990-03-2816:51 UTCm62611 38.94NAVD884OUSGSSA
1990-03-2816:51 UTCm7201913.98  4OUSGSSA
1991-11-0616:08 UTCm62610 40.28NGVD291OUSGSSA
1991-11-0616:08 UTCm62611 39.20NAVD881OUSGSSA
1991-11-0616:08 UTCm7201913.72  1OUSGSSA
1992-03-1815:53 UTCm62610 39.68NGVD294OUSGSSA
1992-03-1815:53 UTCm62611 38.60NAVD884OUSGSSA
1992-03-1815:53 UTCm7201914.32  4OUSGSSA
1992-05-2913:30 UTCm62610 39.40NGVD294OUSGSSA
1992-05-2913:30 UTCm62611 38.32NAVD884OUSGSSA
1992-05-2913:30 UTCm7201914.60  4OUSGSSA
1992-12-0714:11 UTCm62610 38.82NGVD294OUSGSSA
1992-12-0714:11 UTCm62611 37.74NAVD884OUSGSSA
1992-12-0714:11 UTCm7201915.18  4OUSGSSA
1993-06-2218:32 UTCm62610 39.05NGVD294OUSGSSA
1993-06-2218:32 UTCm62611 37.97NAVD884OUSGSSA
1993-06-2218:32 UTCm7201914.95  4OUSGSSA
1993-12-2715:30 UTCm62610 38.84NGVD294OUSGSSA
1993-12-2715:30 UTCm62611 37.76NAVD884OUSGSSA
1993-12-2715:30 UTCm7201915.16  4OUSGSSA
1994-06-0917:21 UTCm62610 39.38NGVD294OUSGSSA
1994-06-0917:21 UTCm62611 38.30NAVD884OUSGSSA
1994-06-0917:21 UTCm7201914.62  4OUSGSSA
1994-12-2017:37 UTCm62610 39.08NGVD294OUSGSSA
1994-12-2017:37 UTCm62611 38.00NAVD884OUSGSSA
1994-12-2017:37 UTCm7201914.92  4OUSGSSA
1995-06-1518:44 UTCm62610 38.56NGVD294OUSGSSA
1995-06-1518:44 UTCm62611 37.48NAVD884OUSGSSA
1995-06-1518:44 UTCm7201915.44  4OUSGSSA
1995-12-0616:59 UTCm62610 37.80NGVD294OUSGSSA
1995-12-0616:59 UTCm62611 36.72NAVD884OUSGSSA
1995-12-0616:59 UTCm7201916.20  4OUSGSSA
1996-03-1917:45 UTCm62610 38.08NGVD294OUSGSSA
1996-03-1917:45 UTCm62611 37.00NAVD884OUSGSSA
1996-03-1917:45 UTCm7201915.92  4OUSGSSA
1996-05-1717:15 UTCm62610 38.37NGVD294OUSGSSA
1996-05-1717:15 UTCm62611 37.29NAVD884OUSGSSA
1996-05-1717:15 UTCm7201915.63  4OUSGSSA
1996-09-1117:35 UTCm62610 38.31NGVD294OUSGSSA
1996-09-1117:35 UTCm62611 37.23NAVD884OUSGSSA
1996-09-1117:35 UTCm7201915.69  4OUSGSSA
1996-12-1218:10 UTCm62610 38.56NGVD294OUSGSSA
1996-12-1218:10 UTCm62611 37.48NAVD884OUSGSSA
1996-12-1218:10 UTCm7201915.44  4OUSGSSA
1997-03-1219:53 UTCm62610 39.07NGVD294OUSGSSA
1997-03-1219:53 UTCm62611 37.99NAVD884OUSGSSA
1997-03-1219:53 UTCm7201914.93  4OUSGSSA
1997-05-2216:55 UTCm62610 39.51NGVD294OUSGSSA
1997-05-2216:55 UTCm62611 38.43NAVD884OUSGSSA
1997-05-2216:55 UTCm7201914.49  4OUSGSSA
1997-07-2218:16 UTCm62610 39.38NGVD294OUSGSSA
1997-07-2218:16 UTCm62611 38.30NAVD884OUSGSSA
1997-07-2218:16 UTCm7201914.62  4OUSGSSA
1997-08-2018:14 UTCm62610 39.36NGVD294OUSGSSA
1997-08-2018:14 UTCm62611 38.28NAVD884OUSGSSA
1997-08-2018:14 UTCm7201914.64  4OUSGSSA
1997-09-1616:15 UTCm62610 39.29NGVD294OUSGSSA
1997-09-1616:15 UTCm62611 38.21NAVD884OUSGSSA
1997-09-1616:15 UTCm7201914.71  4OUSGSSA

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