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Groundwater levels for the Nation

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USGS 404353073331801 N 9219. 1

Nassau County, New York
Latitude  40°43'53", Longitude  73°33'18" NAD27
Land-surface elevation 96.0 feet above NGVD29
The depth of the well is 96 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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Reselect period
Date Time
?
 
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
1980-05-14 D62610 66.79NGVD291OUSGSSA
1980-05-14 D62611 65.61NAVD881OUSGSSA
1980-05-14 D7201929.21  1OUSGSSA
1980-10-14 D62610 64.00NGVD291OUSGSSA
1980-10-14 D62611 62.82NAVD881OUSGSSA
1980-10-14 D7201932.00  1OUSGSSA
1981-01-19 D62610 63.02NGVD291OUSGSSA
1981-01-19 D62611 61.84NAVD881OUSGSSA
1981-01-19 D7201932.98  1OUSGSSA
1981-02-18 D62610 62.65NGVD291OUSGSSA
1981-02-18 D62611 61.47NAVD881OUSGSSA
1981-02-18 D7201933.35  1OUSGSSA
1981-03-23 D62610 62.62NGVD291OUSGSSA
1981-03-23 D62611 61.44NAVD881OUSGSSA
1981-03-23 D7201933.38  1OUSGSSA
1981-04-27 D62610 62.51NGVD291OUSGSSA
1981-04-27 D62611 61.33NAVD881OUSGSSA
1981-04-27 D7201933.49  1OUSGSSA
1981-05-26 D62610 62.29NGVD291OUSGSSA
1981-05-26 D62611 61.11NAVD881OUSGSSA
1981-05-26 D7201933.71  1OUSGSSA
1981-06-2318:30 UTCm62610 61.92NGVD291OUSGSSA
1981-06-2318:30 UTCm62611 60.74NAVD881OUSGSSA
1981-06-2318:30 UTCm7201934.08  1OUSGSSA
1981-07-2718:00 UTCm62610 61.75NGVD291OUSGSSA
1981-07-2718:00 UTCm62611 60.57NAVD881OUSGSSA
1981-07-2718:00 UTCm7201934.25  1OUSGSSA
1981-08-2417:00 UTCm62610 61.31NGVD291OUSGSSA
1981-08-2417:00 UTCm62611 60.13NAVD881OUSGSSA
1981-08-2417:00 UTCm7201934.69  1OUSGSSA
1981-10-0517:30 UTCm62610 60.87NGVD291OUSGSSA
1981-10-0517:30 UTCm62611 59.69NAVD881OUSGSSA
1981-10-0517:30 UTCm7201935.13  1OUSGSSA
1981-11-0217:00 UTCm62610 60.64NGVD291OUSGSSA
1981-11-0217:00 UTCm62611 59.46NAVD881OUSGSSA
1981-11-0217:00 UTCm7201935.36  1OUSGSSA
1981-12-0315:50 UTCm62610 60.43NGVD291OUSGSSA
1981-12-0315:50 UTCm62611 59.25NAVD881OUSGSSA
1981-12-0315:50 UTCm7201935.57  1OUSGSSA
1982-01-0516:00 UTCm62610 60.41NGVD291OUSGSSA
1982-01-0516:00 UTCm62611 59.23NAVD881OUSGSSA
1982-01-0516:00 UTCm7201935.59  1OUSGSSA
1982-02-0817:00 UTCm62610 61.57NGVD291OUSGSSA
1982-02-0817:00 UTCm62611 60.39NAVD881OUSGSSA
1982-02-0817:00 UTCm7201934.43  1OUSGSSA
1982-03-1715:15 UTCm62610 61.56NGVD291OUSGSSA
1982-03-1715:15 UTCm62611 60.38NAVD881OUSGSSA
1982-03-1715:15 UTCm7201934.44  1OUSGSSA
1982-04-1915:15 UTCm62610 61.41NGVD291OUSGSSA
1982-04-1915:15 UTCm62611 60.23NAVD881OUSGSSA
1982-04-1915:15 UTCm7201934.59  1OUSGSSA
1982-05-2617:15 UTCm62610 61.50NGVD291OUSGSSA
1982-05-2617:15 UTCm62611 60.32NAVD881OUSGSSA
1982-05-2617:15 UTCm7201934.50  1OUSGSSA
1982-07-0115:00 UTCm62610 61.96NGVD291OUSGSSA
1982-07-0115:00 UTCm62611 60.78NAVD881OUSGSSA
1982-07-0115:00 UTCm7201934.04  1OUSGSSA
1982-08-1316:00 UTCm62610 61.52NGVD291OUSGSSA
1982-08-1316:00 UTCm62611 60.34NAVD881OUSGSSA
1982-08-1316:00 UTCm7201934.48  1OUSGSSA
1982-09-2914:30 UTCm62610 60.80NGVD291OUSGSSA
1982-09-2914:30 UTCm62611 59.62NAVD881OUSGSSA
1982-09-2914:30 UTCm7201935.20  1OUSGSSA
1982-11-0214:15 UTCm62610 60.28NGVD291OUSGSSA
1982-11-0214:15 UTCm62611 59.10NAVD881OUSGSSA
1982-11-0214:15 UTCm7201935.72  1OUSGSSA
1982-12-0219:00 UTCm62610 59.99NGVD291OUSGSSA
1982-12-0219:00 UTCm62611 58.81NAVD881OUSGSSA
1982-12-0219:00 UTCm7201936.01  1OUSGSSA
1983-01-1314:15 UTCm62610 59.82NGVD291OUSGSSA
1983-01-1314:15 UTCm62611 58.64NAVD881OUSGSSA
1983-01-1314:15 UTCm7201936.18  1OUSGSSA
1983-02-2514:00 UTCm62610 59.32NGVD291OUSGSSA
1983-02-2514:00 UTCm62611 58.14NAVD881OUSGSSA
1983-02-2514:00 UTCm7201936.68  1OUSGSSA
1983-03-3018:30 UTCm62610 59.99NGVD291OUSGSSA
1983-03-3018:30 UTCm62611 58.81NAVD881OUSGSSA
1983-03-3018:30 UTCm7201936.01  1OUSGSSA
1983-05-0217:45 UTCm62610 63.23NGVD291OUSGSSA
1983-05-0217:45 UTCm62611 62.05NAVD881OUSGSSA
1983-05-0217:45 UTCm7201932.77  1OUSGSSA
1983-06-0712:45 UTCm62610 64.01NGVD291OUSGSSA
1983-06-0712:45 UTCm62611 62.83NAVD881OUSGSSA
1983-06-0712:45 UTCm7201931.99  1OUSGSSA
1983-07-1211:49 UTCm62610 63.10NGVD291OUSGSSA
1983-07-1211:49 UTCm62611 61.92NAVD881OUSGSSA
1983-07-1211:49 UTCm7201932.90  1OUSGSSA
1983-08-1612:18 UTCm62610 62.71NGVD291OUSGSSA
1983-08-1612:18 UTCm62611 61.53NAVD881OUSGSSA
1983-08-1612:18 UTCm7201933.29  1OUSGSSA
1983-09-2212:29 UTCm62610 62.17NGVD291OUSGSSA
1983-09-2212:29 UTCm62611 60.99NAVD881OUSGSSA
1983-09-2212:29 UTCm7201933.83  1OUSGSSA
1983-10-2716:04 UTCm62610 63.01NGVD291OUSGSSA
1983-10-2716:04 UTCm62611 61.83NAVD881OUSGSSA
1983-10-2716:04 UTCm7201932.99  1OUSGSSA
1983-12-0215:55 UTCm62610 63.93NGVD291OUSGSSA
1983-12-0215:55 UTCm62611 62.75NAVD881OUSGSSA
1983-12-0215:55 UTCm7201932.07  1OUSGSSA
1984-01-0915:45 UTCm62610 64.39NGVD291OUSGSSA
1984-01-0915:45 UTCm62611 63.21NAVD881OUSGSSA
1984-01-0915:45 UTCm7201931.61  1OUSGSSA
1984-02-0118:30 UTCm62610 64.01NGVD291OUSGSSA
1984-02-0118:30 UTCm62611 62.83NAVD881OUSGSSA
1984-02-0118:30 UTCm7201931.99  1OUSGSSA
1984-06-0616:25 UTCm62610 66.38NGVD291OUSGSSA
1984-06-0616:25 UTCm62611 65.20NAVD881OUSGSSA
1984-06-0616:25 UTCm7201929.62  1OUSGSSA
1984-07-3017:00 UTCm62610 67.27NGVD291OUSGSSA
1984-07-3017:00 UTCm62611 66.09NAVD881OUSGSSA
1984-07-3017:00 UTCm7201928.73  1OUSGSSA
1984-09-2715:30 UTCm62610 65.69NGVD291OUSGSSA
1984-09-2715:30 UTCm62611 64.51NAVD881OUSGSSA
1984-09-2715:30 UTCm7201930.31  1OUSGSSA
1984-11-0815:00 UTCm62610 64.43NGVD291OUSGSSA
1984-11-0815:00 UTCm62611 63.25NAVD881OUSGSSA
1984-11-0815:00 UTCm7201931.57  1OUSGSSA
1985-01-1418:45 UTCm62610 63.13NGVD291OUSGSSA
1985-01-1418:45 UTCm62611 61.95NAVD881OUSGSSA
1985-01-1418:45 UTCm7201932.87  1OUSGSSA
1985-03-1116:15 UTCm62610 62.08NGVD291OUSGSSA
1985-03-1116:15 UTCm62611 60.90NAVD881OUSGSSA
1985-03-1116:15 UTCm7201933.92  1OUSGSSA
1985-05-1413:16 UTCm62610 61.23NGVD291OUSGSSA
1985-05-1413:16 UTCm62611 60.05NAVD881OUSGSSA
1985-05-1413:16 UTCm7201934.77  1OUSGSSA
1985-07-2415:00 UTCm62610 60.64NGVD291OUSGSSA
1985-07-2415:00 UTCm62611 59.46NAVD881OUSGSSA
1985-07-2415:00 UTCm7201935.36  1OUSGSSA
1985-09-2616:38 UTCm62610 59.92NGVD291OUSGSSA
1985-09-2616:38 UTCm62611 58.74NAVD881OUSGSSA
1985-09-2616:38 UTCm7201936.08  1OUSGSSA
1986-01-0618:27 UTCm62610 59.51NGVD291OUSGSSA
1986-01-0618:27 UTCm62611 58.33NAVD881OUSGSSA
1986-01-0618:27 UTCm7201936.49  1OUSGSSA
1986-05-0813:55 UTCm62610 59.55NGVD291OUSGSSA
1986-05-0813:55 UTCm62611 58.37NAVD881OUSGSSA
1986-05-0813:55 UTCm7201936.45  1OUSGSSA
1987-05-2112:47 UTCm62610 59.38NGVD291OUSGSSA
1987-05-2112:47 UTCm62611 58.20NAVD881OUSGSSA
1987-05-2112:47 UTCm7201936.62  1OUSGSSA
1987-07-2914:11 UTCm62610 58.23NGVD291OUSGSSA
1987-07-2914:11 UTCm62611 57.05NAVD881OUSGSSA
1987-07-2914:11 UTCm7201937.77  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.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.