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Groundwater levels for the Nation

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USGS 404351073332701 N 9221. 1

Nassau County, New York
Latitude  40°43'51", Longitude  73°33'27" NAD27
Land-surface elevation 95.0 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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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 66.12NGVD291OUSGSSA
1980-05-14 D62611 64.94NAVD881OUSGSSA
1980-05-14 D7201928.88  1OUSGSSA
1980-10-14 D62610 63.24NGVD291OUSGSSA
1980-10-14 D62611 62.06NAVD881OUSGSSA
1980-10-14 D7201931.76  1OUSGSSA
1981-01-19 D62610 62.32NGVD291OUSGSSA
1981-01-19 D62611 61.14NAVD881OUSGSSA
1981-01-19 D7201932.68  1OUSGSSA
1981-02-18 D62610 61.99NGVD291OUSGSSA
1981-02-18 D62611 60.81NAVD881OUSGSSA
1981-02-18 D7201933.01  1OUSGSSA
1981-03-23 D62610 61.96NGVD291OUSGSSA
1981-03-23 D62611 60.78NAVD881OUSGSSA
1981-03-23 D7201933.04  1OUSGSSA
1981-04-27 D62610 61.87NGVD291OUSGSSA
1981-04-27 D62611 60.69NAVD881OUSGSSA
1981-04-27 D7201933.13  1OUSGSSA
1981-05-26 D62610 61.66NGVD291OUSGSSA
1981-05-26 D62611 60.48NAVD881OUSGSSA
1981-05-26 D7201933.34  1OUSGSSA
1981-06-2319:30 UTCm62610 61.23NGVD291OUSGSSA
1981-06-2319:30 UTCm62611 60.05NAVD881OUSGSSA
1981-06-2319:30 UTCm7201933.77  1OUSGSSA
1981-07-2719:00 UTCm62610 61.03NGVD291OUSGSSA
1981-07-2719:00 UTCm62611 59.85NAVD881OUSGSSA
1981-07-2719:00 UTCm7201933.97  1OUSGSSA
1981-08-2418:00 UTCm62610 60.61NGVD291OUSGSSA
1981-08-2418:00 UTCm62611 59.43NAVD881OUSGSSA
1981-08-2418:00 UTCm7201934.39  1OUSGSSA
1981-10-0518:20 UTCm62610 60.21NGVD291OUSGSSA
1981-10-0518:20 UTCm62611 59.03NAVD881OUSGSSA
1981-10-0518:20 UTCm7201934.79  1OUSGSSA
1981-11-0217:50 UTCm62610 59.97NGVD291OUSGSSA
1981-11-0217:50 UTCm62611 58.79NAVD881OUSGSSA
1981-11-0217:50 UTCm7201935.03  1OUSGSSA
1981-12-0316:35 UTCm62610 59.76NGVD291OUSGSSA
1981-12-0316:35 UTCm62611 58.58NAVD881OUSGSSA
1981-12-0316:35 UTCm7201935.24  1OUSGSSA
1982-01-0516:50 UTCm62610 59.73NGVD291OUSGSSA
1982-01-0516:50 UTCm62611 58.55NAVD881OUSGSSA
1982-01-0516:50 UTCm7201935.27  1OUSGSSA
1982-02-0817:45 UTCm62610 60.94NGVD291OUSGSSA
1982-02-0817:45 UTCm62611 59.76NAVD881OUSGSSA
1982-02-0817:45 UTCm7201934.06  1OUSGSSA
1982-03-1715:45 UTCm62610 60.90NGVD291OUSGSSA
1982-03-1715:45 UTCm62611 59.72NAVD881OUSGSSA
1982-03-1715:45 UTCm7201934.10  1OUSGSSA
1982-04-1917:45 UTCm62610 60.75NGVD291OUSGSSA
1982-04-1917:45 UTCm62611 59.57NAVD881OUSGSSA
1982-04-1917:45 UTCm7201934.25  1OUSGSSA
1982-05-2618:00 UTCm62610 60.83NGVD291OUSGSSA
1982-05-2618:00 UTCm62611 59.65NAVD881OUSGSSA
1982-05-2618:00 UTCm7201934.17  1OUSGSSA
1982-07-0115:45 UTCm62610 61.24NGVD291OUSGSSA
1982-07-0115:45 UTCm62611 60.06NAVD881OUSGSSA
1982-07-0115:45 UTCm7201933.76  1OUSGSSA
1982-08-1316:45 UTCm62610 60.86NGVD291OUSGSSA
1982-08-1316:45 UTCm62611 59.68NAVD881OUSGSSA
1982-08-1316:45 UTCm7201934.14  1OUSGSSA
1982-09-2915:30 UTCm62610 60.15NGVD291OUSGSSA
1982-09-2915:30 UTCm62611 58.97NAVD881OUSGSSA
1982-09-2915:30 UTCm7201934.85  1OUSGSSA
1982-11-0218:30 UTCm62610 59.65NGVD291OUSGSSA
1982-11-0218:30 UTCm62611 58.47NAVD881OUSGSSA
1982-11-0218:30 UTCm7201935.35  1OUSGSSA
1982-12-0314:30 UTCm62610 59.35NGVD291OUSGSSA
1982-12-0314:30 UTCm62611 58.17NAVD881OUSGSSA
1982-12-0314:30 UTCm7201935.65  1OUSGSSA
1983-02-2417:00 UTCm62610 58.71NGVD291OUSGSSA
1983-02-2417:00 UTCm62611 57.53NAVD881OUSGSSA
1983-02-2417:00 UTCm7201936.29  1OUSGSSA
1983-03-3114:00 UTCm62610 59.46NGVD291OUSGSSA
1983-03-3114:00 UTCm62611 58.28NAVD881OUSGSSA
1983-03-3114:00 UTCm7201935.54  1OUSGSSA
1983-05-0313:45 UTCm62610 62.62NGVD291OUSGSSA
1983-05-0313:45 UTCm62611 61.44NAVD881OUSGSSA
1983-05-0313:45 UTCm7201932.38  1OUSGSSA
1983-06-0713:30 UTCm62610 63.17NGVD291OUSGSSA
1983-06-0713:30 UTCm62611 61.99NAVD881OUSGSSA
1983-06-0713:30 UTCm7201931.83  1OUSGSSA
1983-07-1212:31 UTCm62610 62.23NGVD291OUSGSSA
1983-07-1212:31 UTCm62611 61.05NAVD881OUSGSSA
1983-07-1212:31 UTCm7201932.77  1OUSGSSA
1983-08-1612:57 UTCm62610 61.67NGVD291OUSGSSA
1983-08-1612:57 UTCm62611 60.49NAVD881OUSGSSA
1983-08-1612:57 UTCm7201933.33  1OUSGSSA
1983-09-2213:15 UTCm62610 61.16NGVD291OUSGSSA
1983-09-2213:15 UTCm62611 59.98NAVD881OUSGSSA
1983-09-2213:15 UTCm7201933.84  1OUSGSSA
1983-10-2813:27 UTCm62610 61.51NGVD291OUSGSSA
1983-10-2813:27 UTCm62611 60.33NAVD881OUSGSSA
1983-10-2813:27 UTCm7201933.49  1OUSGSSA
1983-12-0216:15 UTCm62610 62.40NGVD291OUSGSSA
1983-12-0216:15 UTCm62611 61.22NAVD881OUSGSSA
1983-12-0216:15 UTCm7201932.60  1OUSGSSA
1984-01-0916:30 UTCm62610 63.48NGVD291OUSGSSA
1984-01-0916:30 UTCm62611 62.30NAVD881OUSGSSA
1984-01-0916:30 UTCm7201931.52  1OUSGSSA
1984-02-0219:00 UTCm62610 63.26NGVD291OUSGSSA
1984-02-0219:00 UTCm62611 62.08NAVD881OUSGSSA
1984-02-0219:00 UTCm7201931.74  1OUSGSSA
1984-04-0314:50 UTCm62610 64.01NGVD291OUSGSSA
1984-04-0314:50 UTCm62611 62.83NAVD881OUSGSSA
1984-04-0314:50 UTCm7201930.99  1OUSGSSA
1984-05-2418:50 UTCm62610 65.11NGVD291OUSGSSA
1984-05-2418:50 UTCm62611 63.93NAVD881OUSGSSA
1984-05-2418:50 UTCm7201929.89  1OUSGSSA
1984-07-3016:00 UTCm62610 66.56NGVD291OUSGSSA
1984-07-3016:00 UTCm62611 65.38NAVD881OUSGSSA
1984-07-3016:00 UTCm7201928.44  1OUSGSSA
1984-09-2720:30 UTCm62610 65.01NGVD291OUSGSSA
1984-09-2720:30 UTCm62611 63.83NAVD881OUSGSSA
1984-09-2720:30 UTCm7201929.99  1OUSGSSA
1984-11-0816:00 UTCm62610 63.77NGVD291OUSGSSA
1984-11-0816:00 UTCm62611 62.59NAVD881OUSGSSA
1984-11-0816:00 UTCm7201931.23  1OUSGSSA
1985-01-1418:53 UTCm62610 62.40NGVD291OUSGSSA
1985-01-1418:53 UTCm62611 61.22NAVD881OUSGSSA
1985-01-1418:53 UTCm7201932.60  1OUSGSSA
1985-03-1319:30 UTCm62610 61.42NGVD291OUSGSSA
1985-03-1319:30 UTCm62611 60.24NAVD881OUSGSSA
1985-03-1319:30 UTCm7201933.58  1OUSGSSA
1985-05-1413:00 UTCm62610 60.61NGVD291OUSGSSA
1985-05-1413:00 UTCm62611 59.43NAVD881OUSGSSA
1985-05-1413:00 UTCm7201934.39  1OUSGSSA
1985-07-2414:46 UTCm62610 60.01NGVD291OUSGSSA
1985-07-2414:46 UTCm62611 58.83NAVD881OUSGSSA
1985-07-2414:46 UTCm7201934.99  1OUSGSSA
1985-09-2616:19 UTCm62610 59.30NGVD291OUSGSSA
1985-09-2616:19 UTCm62611 58.12NAVD881OUSGSSA
1985-09-2616:19 UTCm7201935.70  1OUSGSSA
1986-01-0813:45 UTCm62610 58.97NGVD291OUSGSSA
1986-01-0813:45 UTCm62611 57.79NAVD881OUSGSSA
1986-01-0813:45 UTCm7201936.03  1OUSGSSA
1986-05-0814:20 UTCm62610 58.99NGVD291OUSGSSA
1986-05-0814:20 UTCm62611 57.81NAVD881OUSGSSA
1986-05-0814:20 UTCm7201936.01  1OUSGSSA
1987-05-2112:10 UTCm62610 58.92NGVD291OUSGSSA
1987-05-2112:10 UTCm62611 57.74NAVD881OUSGSSA
1987-05-2112:10 UTCm7201936.08  1OUSGSSA
1987-07-2914:00 UTCm62610 57.72NGVD291OUSGSSA
1987-07-2914:00 UTCm62611 56.54NAVD881OUSGSSA
1987-07-2914:00 UTCm7201937.28  1OUSGSSA
1990-04-2618:00 UTCm62610 60.39NGVD291OUSGSSA
1990-04-2618:00 UTCm62611 59.21NAVD881OUSGSSA
1990-04-2618:00 UTCm7201934.61  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.