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Groundwater levels for the Nation

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USGS 404351073330901 N 9365. 1

Nassau County, New York
Latitude  40°43'51", Longitude  73°33'09" 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 66.16NGVD291OUSGSSA
1980-05-14 D62611 64.98NAVD881OUSGSSA
1980-05-14 D7201929.84  1OUSGSSA
1980-10-14 D62610 63.43NGVD291OUSGSSA
1980-10-14 D62611 62.25NAVD881OUSGSSA
1980-10-14 D7201932.57  1OUSGSSA
1981-01-19 D62610 62.56NGVD291OUSGSSA
1981-01-19 D62611 61.38NAVD881OUSGSSA
1981-01-19 D7201933.44  1OUSGSSA
1981-02-18 D62610 62.09NGVD291OUSGSSA
1981-02-18 D62611 60.91NAVD881OUSGSSA
1981-02-18 D7201933.91  1OUSGSSA
1981-03-23 D62610 62.11NGVD291OUSGSSA
1981-03-23 D62611 60.93NAVD881OUSGSSA
1981-03-23 D7201933.89  1OUSGSSA
1981-04-27 D62610 62.00NGVD291OUSGSSA
1981-04-27 D62611 60.82NAVD881OUSGSSA
1981-04-27 D7201934.00  1OUSGSSA
1981-05-26 D62610 61.75NGVD291OUSGSSA
1981-05-26 D62611 60.57NAVD881OUSGSSA
1981-05-26 D7201934.25  1OUSGSSA
1981-06-2314:30 UTCm62610 61.34NGVD291OUSGSSA
1981-06-2314:30 UTCm62611 60.16NAVD881OUSGSSA
1981-06-2314:30 UTCm7201934.66  1OUSGSSA
1981-07-0913:41 UTCm62610 61.45NGVD291OUSGSSA
1981-07-0913:41 UTCm62611 60.27NAVD881OUSGSSA
1981-07-0913:41 UTCm7201934.55  1OUSGSSA
1981-07-2714:25 UTCm62610 61.20NGVD291OUSGSSA
1981-07-2714:25 UTCm62611 60.02NAVD881OUSGSSA
1981-07-2714:25 UTCm7201934.80  1OUSGSSA
1981-08-2413:45 UTCm62610 60.74NGVD291OUSGSSA
1981-08-2413:45 UTCm62611 59.56NAVD881OUSGSSA
1981-08-2413:45 UTCm7201935.26  1OUSGSSA
1981-10-0514:45 UTCm62610 60.31NGVD291OUSGSSA
1981-10-0514:45 UTCm62611 59.13NAVD881OUSGSSA
1981-10-0514:45 UTCm7201935.69  1OUSGSSA
1981-11-0215:00 UTCm62610 60.18NGVD291OUSGSSA
1981-11-0215:00 UTCm62611 59.00NAVD881OUSGSSA
1981-11-0215:00 UTCm7201935.82  1OUSGSSA
1981-12-0314:00 UTCm62610 59.99NGVD291OUSGSSA
1981-12-0314:00 UTCm62611 58.81NAVD881OUSGSSA
1981-12-0314:00 UTCm7201936.01  1OUSGSSA
1982-01-0514:15 UTCm62610 60.01NGVD291OUSGSSA
1982-01-0514:15 UTCm62611 58.83NAVD881OUSGSSA
1982-01-0514:15 UTCm7201935.99  1OUSGSSA
1982-02-0815:00 UTCm62610 61.00NGVD291OUSGSSA
1982-02-0815:00 UTCm62611 59.82NAVD881OUSGSSA
1982-02-0815:00 UTCm7201935.00  1OUSGSSA
1982-03-1713:30 UTCm62610 60.99NGVD291OUSGSSA
1982-03-1713:30 UTCm62611 59.81NAVD881OUSGSSA
1982-03-1713:30 UTCm7201935.01  1OUSGSSA
1982-04-1913:40 UTCm62610 60.91NGVD291OUSGSSA
1982-04-1913:40 UTCm62611 59.73NAVD881OUSGSSA
1982-04-1913:40 UTCm7201935.09  1OUSGSSA
1982-05-2615:00 UTCm62610 61.07NGVD291OUSGSSA
1982-05-2615:00 UTCm62611 59.89NAVD881OUSGSSA
1982-05-2615:00 UTCm7201934.93  1OUSGSSA
1982-07-0113:00 UTCm62610 61.57NGVD291OUSGSSA
1982-07-0113:00 UTCm62611 60.39NAVD881OUSGSSA
1982-07-0113:00 UTCm7201934.43  1OUSGSSA
1982-08-1313:00 UTCm62610 61.08NGVD291OUSGSSA
1982-08-1313:00 UTCm62611 59.90NAVD881OUSGSSA
1982-08-1313:00 UTCm7201934.92  1OUSGSSA
1982-09-2813:45 UTCm62610 60.32NGVD291OUSGSSA
1982-09-2813:45 UTCm62611 59.14NAVD881OUSGSSA
1982-09-2813:45 UTCm7201935.68  1OUSGSSA
1982-11-0116:45 UTCm62610 60.04NGVD291OUSGSSA
1982-11-0116:45 UTCm62611 58.86NAVD881OUSGSSA
1982-11-0116:45 UTCm7201935.96  1OUSGSSA
1982-12-0216:30 UTCm62610 59.50NGVD291OUSGSSA
1982-12-0216:30 UTCm62611 58.32NAVD881OUSGSSA
1982-12-0216:30 UTCm7201936.50  1OUSGSSA
1983-01-1215:45 UTCm62610 59.53NGVD291OUSGSSA
1983-01-1215:45 UTCm62611 58.35NAVD881OUSGSSA
1983-01-1215:45 UTCm7201936.47  1OUSGSSA
1983-02-2415:45 UTCm62610 58.88NGVD291OUSGSSA
1983-02-2415:45 UTCm62611 57.70NAVD881OUSGSSA
1983-02-2415:45 UTCm7201937.12  1OUSGSSA
1983-03-3015:45 UTCm62610 59.58NGVD291OUSGSSA
1983-03-3015:45 UTCm62611 58.40NAVD881OUSGSSA
1983-03-3015:45 UTCm7201936.42  1OUSGSSA
1983-05-0214:30 UTCm62610 62.83NGVD291OUSGSSA
1983-05-0214:30 UTCm62611 61.65NAVD881OUSGSSA
1983-05-0214:30 UTCm7201933.17  1OUSGSSA
1983-08-1513:15 UTCm62610 62.58NGVD291OUSGSSA
1983-08-1513:15 UTCm62611 61.40NAVD881OUSGSSA
1983-08-1513:15 UTCm7201933.42  1OUSGSSA
1983-09-2113:24 UTCm62610 61.96NGVD291OUSGSSA
1983-09-2113:24 UTCm62611 60.78NAVD881OUSGSSA
1983-09-2113:24 UTCm7201934.04  1OUSGSSA
1983-10-2815:06 UTCm62610 62.56NGVD291OUSGSSA
1983-10-2815:06 UTCm62611 61.38NAVD881OUSGSSA
1983-10-2815:06 UTCm7201933.44  1OUSGSSA
1983-12-0117:45 UTCm62610 63.26NGVD291OUSGSSA
1983-12-0117:45 UTCm62611 62.08NAVD881OUSGSSA
1983-12-0117:45 UTCm7201932.74  1OUSGSSA
1984-01-0914:35 UTCm62610 64.00NGVD291OUSGSSA
1984-01-0914:35 UTCm62611 62.82NAVD881OUSGSSA
1984-01-0914:35 UTCm7201932.00  1OUSGSSA
1984-02-0119:00 UTCm62610 63.44NGVD291OUSGSSA
1984-02-0119:00 UTCm62611 62.26NAVD881OUSGSSA
1984-02-0119:00 UTCm7201932.56  1OUSGSSA
1984-04-0217:45 UTCm62610 64.09NGVD291OUSGSSA
1984-04-0217:45 UTCm62611 62.91NAVD881OUSGSSA
1984-04-0217:45 UTCm7201931.91  1OUSGSSA
1984-06-0118:35 UTCm62610 65.46NGVD291OUSGSSA
1984-06-0118:35 UTCm62611 64.28NAVD881OUSGSSA
1984-06-0118:35 UTCm7201930.54  1OUSGSSA
1984-09-2719:00 UTCm62610 65.03NGVD291OUSGSSA
1984-09-2719:00 UTCm62611 63.85NAVD881OUSGSSA
1984-09-2719:00 UTCm7201930.97  1OUSGSSA
1984-11-0715:30 UTCm62610 63.84NGVD291OUSGSSA
1984-11-0715:30 UTCm62611 62.66NAVD881OUSGSSA
1984-11-0715:30 UTCm7201932.16  1OUSGSSA
1985-01-1418:06 UTCm62610 62.42NGVD291OUSGSSA
1985-01-1418:06 UTCm62611 61.24NAVD881OUSGSSA
1985-01-1418:06 UTCm7201933.58  1OUSGSSA
1985-03-0814:08 UTCm62610 61.54NGVD291OUSGSSA
1985-03-0814:08 UTCm62611 60.36NAVD881OUSGSSA
1985-03-0814:08 UTCm7201934.46  1OUSGSSA
1985-05-1414:29 UTCm62610 60.73NGVD291OUSGSSA
1985-05-1414:29 UTCm62611 59.55NAVD881OUSGSSA
1985-05-1414:29 UTCm7201935.27  1OUSGSSA
1985-07-2416:07 UTCm62610 60.12NGVD291OUSGSSA
1985-07-2416:07 UTCm62611 58.94NAVD881OUSGSSA
1985-07-2416:07 UTCm7201935.88  1OUSGSSA
1985-09-2614:27 UTCm62610 59.36NGVD291OUSGSSA
1985-09-2614:27 UTCm62611 58.18NAVD881OUSGSSA
1985-09-2614:27 UTCm7201936.64  1OUSGSSA
1986-01-0614:45 UTCm62610 58.93NGVD291OUSGSSA
1986-01-0614:45 UTCm62611 57.75NAVD881OUSGSSA
1986-01-0614:45 UTCm7201937.07  1OUSGSSA
1986-05-0812:55 UTCm62610 58.97NGVD291OUSGSSA
1986-05-0812:55 UTCm62611 57.79NAVD881OUSGSSA
1986-05-0812:55 UTCm7201937.03  1OUSGSSA
1987-03-0414:30 UTCm62610 57.89NGVD291OUSGSSA
1987-03-0414:30 UTCm62611 56.71NAVD881OUSGSSA
1987-03-0414:30 UTCm7201938.11  1OUSGSSA
1987-05-2212:50 UTCm62610 58.77NGVD291OUSGSSA
1987-05-2212:50 UTCm62611 57.59NAVD881OUSGSSA
1987-05-2212:50 UTCm7201937.23  1OUSGSSA
1987-07-2919:20 UTCm62610 57.71NGVD291OUSGSSA
1987-07-2919:20 UTCm62611 56.53NAVD881OUSGSSA
1987-07-2919:20 UTCm7201938.29  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.