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Groundwater levels for the Nation

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USGS 404407073331502 N 9183. 1

Nassau County, New York
Latitude  40°44'07", Longitude  73°33'15" NAD27
Land-surface elevation 101.0 feet above NGVD29
The depth of the well is 107 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 69.71NGVD291OUSGSSA
1980-05-14 D62611 68.53NAVD881OUSGSSA
1980-05-14 D7201931.29  1OUSGSSA
1980-10-14 D62610 66.81NGVD291OUSGSSA
1980-10-14 D62611 65.63NAVD881OUSGSSA
1980-10-14 D7201934.19  1OUSGSSA
1981-01-19 D62610 66.40NGVD291OUSGSSA
1981-01-19 D62611 65.22NAVD881OUSGSSA
1981-01-19 D7201934.60  1OUSGSSA
1981-02-18 D62610 65.39NGVD291OUSGSSA
1981-02-18 D62611 64.21NAVD881OUSGSSA
1981-02-18 D7201935.61  1OUSGSSA
1981-03-23 D62610 65.31NGVD291OUSGSSA
1981-03-23 D62611 64.13NAVD881OUSGSSA
1981-03-23 D7201935.69  1OUSGSSA
1981-04-27 D62610 65.17NGVD291OUSGSSA
1981-04-27 D62611 63.99NAVD881OUSGSSA
1981-04-27 D7201935.83  1OUSGSSA
1981-05-26 D62610 64.75NGVD291OUSGSSA
1981-05-26 D62611 63.57NAVD881OUSGSSA
1981-05-26 D7201936.25  1OUSGSSA
1981-06-2318:00 UTCm62610 64.57NGVD291OUSGSSA
1981-06-2318:00 UTCm62611 63.39NAVD881OUSGSSA
1981-06-2318:00 UTCm7201936.43  1OUSGSSA
1981-07-2715:00 UTCm62610 64.43NGVD291OUSGSSA
1981-07-2715:00 UTCm62611 63.25NAVD881OUSGSSA
1981-07-2715:00 UTCm7201936.57  1OUSGSSA
1981-08-2414:30 UTCm62610 64.00NGVD291OUSGSSA
1981-08-2414:30 UTCm62611 62.82NAVD881OUSGSSA
1981-08-2414:30 UTCm7201937.00  1OUSGSSA
1981-10-0515:15 UTCm62610 63.56NGVD291OUSGSSA
1981-10-0515:15 UTCm62611 62.38NAVD881OUSGSSA
1981-10-0515:15 UTCm7201937.44  1OUSGSSA
1981-11-0215:30 UTCm62610 63.24NGVD291OUSGSSA
1981-11-0215:30 UTCm62611 62.06NAVD881OUSGSSA
1981-11-0215:30 UTCm7201937.76  1OUSGSSA
1981-12-0314:30 UTCm62610 62.98NGVD291OUSGSSA
1981-12-0314:30 UTCm62611 61.80NAVD881OUSGSSA
1981-12-0314:30 UTCm7201938.02  1OUSGSSA
1982-01-0514:45 UTCm62610 62.92NGVD291OUSGSSA
1982-01-0514:45 UTCm62611 61.74NAVD881OUSGSSA
1982-01-0514:45 UTCm7201938.08  1OUSGSSA
1982-02-0815:30 UTCm62610 64.21NGVD291OUSGSSA
1982-02-0815:30 UTCm62611 63.03NAVD881OUSGSSA
1982-02-0815:30 UTCm7201936.79  1OUSGSSA
1982-03-1714:00 UTCm62610 64.20NGVD291OUSGSSA
1982-03-1714:00 UTCm62611 63.02NAVD881OUSGSSA
1982-03-1714:00 UTCm7201936.80  1OUSGSSA
1982-04-1914:10 UTCm62610 63.93NGVD291OUSGSSA
1982-04-1914:10 UTCm62611 62.75NAVD881OUSGSSA
1982-04-1914:10 UTCm7201937.07  1OUSGSSA
1982-05-2615:30 UTCm62610 63.94NGVD291OUSGSSA
1982-05-2615:30 UTCm62611 62.76NAVD881OUSGSSA
1982-05-2615:30 UTCm7201937.06  1OUSGSSA
1982-07-0113:30 UTCm62610 64.40NGVD291OUSGSSA
1982-07-0113:30 UTCm62611 63.22NAVD881OUSGSSA
1982-07-0113:30 UTCm7201936.60  1OUSGSSA
1982-08-1313:30 UTCm62610 63.91NGVD291OUSGSSA
1982-08-1313:30 UTCm62611 62.73NAVD881OUSGSSA
1982-08-1313:30 UTCm7201937.09  1OUSGSSA
1982-09-2814:30 UTCm62610 63.19NGVD291OUSGSSA
1982-09-2814:30 UTCm62611 62.01NAVD881OUSGSSA
1982-09-2814:30 UTCm7201937.81  1OUSGSSA
1982-11-0214:45 UTCm62610 62.88NGVD291OUSGSSA
1982-11-0214:45 UTCm62611 61.70NAVD881OUSGSSA
1982-11-0214:45 UTCm7201938.12  1OUSGSSA
1982-12-0217:15 UTCm62610 62.26NGVD291OUSGSSA
1982-12-0217:15 UTCm62611 61.08NAVD881OUSGSSA
1982-12-0217:15 UTCm7201938.74  1OUSGSSA
1983-01-1315:30 UTCm62610 62.19NGVD291OUSGSSA
1983-01-1315:30 UTCm62611 61.01NAVD881OUSGSSA
1983-01-1315:30 UTCm7201938.81  1OUSGSSA
1983-02-2514:30 UTCm62610 61.64NGVD291OUSGSSA
1983-02-2514:30 UTCm62611 60.46NAVD881OUSGSSA
1983-02-2514:30 UTCm7201939.36  1OUSGSSA
1983-03-3016:45 UTCm62610 62.28NGVD291OUSGSSA
1983-03-3016:45 UTCm62611 61.10NAVD881OUSGSSA
1983-03-3016:45 UTCm7201938.72  1OUSGSSA
1983-05-0215:15 UTCm62610 65.91NGVD291OUSGSSA
1983-05-0215:15 UTCm62611 64.73NAVD881OUSGSSA
1983-05-0215:15 UTCm7201935.09  1OUSGSSA
1983-05-0614:51 UTCm62610 66.29NGVD291OUSGSSA
1983-05-0614:51 UTCm62611 65.11NAVD881OUSGSSA
1983-05-0614:51 UTCm7201934.71  1OUSGSSA
1983-06-0614:15 UTCm62610 66.71NGVD291OUSGSSA
1983-06-0614:15 UTCm62611 65.53NAVD881OUSGSSA
1983-06-0614:15 UTCm7201934.29  1OUSGSSA
1983-07-1113:57 UTCm62610 65.84NGVD291OUSGSSA
1983-07-1113:57 UTCm62611 64.66NAVD881OUSGSSA
1983-07-1113:57 UTCm7201935.16  1OUSGSSA
1983-08-1514:21 UTCm62610 65.46NGVD291OUSGSSA
1983-08-1514:21 UTCm62611 64.28NAVD881OUSGSSA
1983-08-1514:21 UTCm7201935.54  1OUSGSSA
1983-09-2114:28 UTCm62610 64.82NGVD291OUSGSSA
1983-09-2114:28 UTCm62611 63.64NAVD881OUSGSSA
1983-09-2114:28 UTCm7201936.18  1OUSGSSA
1983-10-2713:52 UTCm62610 67.11NGVD291OUSGSSA
1983-10-2713:52 UTCm62611 65.93NAVD881OUSGSSA
1983-10-2713:52 UTCm7201933.89  1OUSGSSA
1983-12-0114:50 UTCm62610 67.74NGVD291OUSGSSA
1983-12-0114:50 UTCm62611 66.56NAVD881OUSGSSA
1983-12-0114:50 UTCm7201933.26  1OUSGSSA
1984-01-0914:15 UTCm62610 67.21NGVD291OUSGSSA
1984-01-0914:15 UTCm62611 66.03NAVD881OUSGSSA
1984-01-0914:15 UTCm7201933.79  1OUSGSSA
1984-02-0215:15 UTCm62610 66.58NGVD291OUSGSSA
1984-02-0215:15 UTCm62611 65.40NAVD881OUSGSSA
1984-02-0215:15 UTCm7201934.42  1OUSGSSA
1984-04-0218:00 UTCm62610 67.28NGVD291OUSGSSA
1984-04-0218:00 UTCm62611 66.10NAVD881OUSGSSA
1984-04-0218:00 UTCm7201933.72  1OUSGSSA
1984-06-0116:40 UTCm62610 68.73NGVD291OUSGSSA
1984-06-0116:40 UTCm62611 67.55NAVD881OUSGSSA
1984-06-0116:40 UTCm7201932.27  1OUSGSSA
1984-07-2615:00 UTCm62610 70.08NGVD291OUSGSSA
1984-07-2615:00 UTCm62611 68.90NAVD881OUSGSSA
1984-07-2615:00 UTCm7201930.92  1OUSGSSA
1984-09-2718:15 UTCm62610 68.51NGVD291OUSGSSA
1984-09-2718:15 UTCm62611 67.33NAVD881OUSGSSA
1984-09-2718:15 UTCm7201932.49  1OUSGSSA
1984-11-0716:15 UTCm62610 67.24NGVD291OUSGSSA
1984-11-0716:15 UTCm62611 66.06NAVD881OUSGSSA
1984-11-0716:15 UTCm7201933.76  1OUSGSSA
1985-01-1416:11 UTCm62610 65.68NGVD291OUSGSSA
1985-01-1416:11 UTCm62611 64.50NAVD881OUSGSSA
1985-01-1416:11 UTCm7201935.32  1OUSGSSA
1985-03-0815:45 UTCm62610 64.68NGVD291OUSGSSA
1985-03-0815:45 UTCm62611 63.50NAVD881OUSGSSA
1985-03-0815:45 UTCm7201936.32  1OUSGSSA
1985-05-1415:54 UTCm62610 63.68NGVD291OUSGSSA
1985-05-1415:54 UTCm62611 62.50NAVD881OUSGSSA
1985-05-1415:54 UTCm7201937.32  1OUSGSSA
1985-07-2416:23 UTCm62610 62.95NGVD291OUSGSSA
1985-07-2416:23 UTCm62611 61.77NAVD881OUSGSSA
1985-07-2416:23 UTCm7201938.05  1OUSGSSA
1985-09-2615:14 UTCm62610 62.30NGVD291OUSGSSA
1985-09-2615:14 UTCm62611 61.12NAVD881OUSGSSA
1985-09-2615:14 UTCm7201938.70  1OUSGSSA
1986-01-0617:15 UTCm62610 61.91NGVD291OUSGSSA
1986-01-0617:15 UTCm62611 60.73NAVD881OUSGSSA
1986-01-0617:15 UTCm7201939.09  1OUSGSSA
1986-05-0813:10 UTCm62610 61.90NGVD291OUSGSSA
1986-05-0813:10 UTCm62611 60.72NAVD881OUSGSSA
1986-05-0813:10 UTCm7201939.10  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.