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Groundwater levels for the Nation

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USGS 404407073331501 N 9182. 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 197 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 69.62NGVD291OUSGSSA
1980-05-14 D62611 68.44NAVD881OUSGSSA
1980-05-14 D7201931.38  1OUSGSSA
1980-10-14 D62610 66.71NGVD291OUSGSSA
1980-10-14 D62611 65.53NAVD881OUSGSSA
1980-10-14 D7201934.29  1OUSGSSA
1981-01-19 D62610 65.69NGVD291OUSGSSA
1981-01-19 D62611 64.51NAVD881OUSGSSA
1981-01-19 D7201935.31  1OUSGSSA
1981-02-18 D62610 65.32NGVD291OUSGSSA
1981-02-18 D62611 64.14NAVD881OUSGSSA
1981-02-18 D7201935.68  1OUSGSSA
1981-03-23 D62610 65.21NGVD291OUSGSSA
1981-03-23 D62611 64.03NAVD881OUSGSSA
1981-03-23 D7201935.79  1OUSGSSA
1981-04-27 D62610 65.10NGVD291OUSGSSA
1981-04-27 D62611 63.92NAVD881OUSGSSA
1981-04-27 D7201935.90  1OUSGSSA
1981-05-26 D62610 64.87NGVD291OUSGSSA
1981-05-26 D62611 63.69NAVD881OUSGSSA
1981-05-26 D7201936.13  1OUSGSSA
1981-06-2318:00 UTCm62610 64.48NGVD291OUSGSSA
1981-06-2318:00 UTCm62611 63.30NAVD881OUSGSSA
1981-06-2318:00 UTCm7201936.52  1OUSGSSA
1981-07-2715:00 UTCm62610 64.36NGVD291OUSGSSA
1981-07-2715:00 UTCm62611 63.18NAVD881OUSGSSA
1981-07-2715:00 UTCm7201936.64  1OUSGSSA
1981-08-2414:30 UTCm62610 63.87NGVD291OUSGSSA
1981-08-2414:30 UTCm62611 62.69NAVD881OUSGSSA
1981-08-2414:30 UTCm7201937.13  1OUSGSSA
1981-10-0515:00 UTCm62610 63.52NGVD291OUSGSSA
1981-10-0515:00 UTCm62611 62.34NAVD881OUSGSSA
1981-10-0515:00 UTCm7201937.48  1OUSGSSA
1981-11-0215:30 UTCm62610 63.21NGVD291OUSGSSA
1981-11-0215:30 UTCm62611 62.03NAVD881OUSGSSA
1981-11-0215:30 UTCm7201937.79  1OUSGSSA
1981-12-0314:30 UTCm62610 62.94NGVD291OUSGSSA
1981-12-0314:30 UTCm62611 61.76NAVD881OUSGSSA
1981-12-0314:30 UTCm7201938.06  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 64.11NGVD291OUSGSSA
1982-02-0815:30 UTCm62611 62.93NAVD881OUSGSSA
1982-02-0815:30 UTCm7201936.89  1OUSGSSA
1982-03-1714:00 UTCm62610 64.17NGVD291OUSGSSA
1982-03-1714:00 UTCm62611 62.99NAVD881OUSGSSA
1982-03-1714:00 UTCm7201936.83  1OUSGSSA
1982-04-1914:00 UTCm62610 63.88NGVD291OUSGSSA
1982-04-1914:00 UTCm62611 62.70NAVD881OUSGSSA
1982-04-1914:00 UTCm7201937.12  1OUSGSSA
1982-05-2615:30 UTCm62610 63.88NGVD291OUSGSSA
1982-05-2615:30 UTCm62611 62.70NAVD881OUSGSSA
1982-05-2615:30 UTCm7201937.12  1OUSGSSA
1982-07-0113:15 UTCm62610 64.30NGVD291OUSGSSA
1982-07-0113:15 UTCm62611 63.12NAVD881OUSGSSA
1982-07-0113:15 UTCm7201936.70  1OUSGSSA
1982-08-1313:30 UTCm62610 63.85NGVD291OUSGSSA
1982-08-1313:30 UTCm62611 62.67NAVD881OUSGSSA
1982-08-1313:30 UTCm7201937.15  1OUSGSSA
1982-09-2814:30 UTCm62610 63.10NGVD291OUSGSSA
1982-09-2814:30 UTCm62611 61.92NAVD881OUSGSSA
1982-09-2814:30 UTCm7201937.90  1OUSGSSA
1982-11-0214:30 UTCm62610 62.74NGVD291OUSGSSA
1982-11-0214:30 UTCm62611 61.56NAVD881OUSGSSA
1982-11-0214:30 UTCm7201938.26  1OUSGSSA
1982-12-0217:15 UTCm62610 62.21NGVD291OUSGSSA
1982-12-0217:15 UTCm62611 61.03NAVD881OUSGSSA
1982-12-0217:15 UTCm7201938.79  1OUSGSSA
1983-01-1315:15 UTCm62610 62.10NGVD291OUSGSSA
1983-01-1315:15 UTCm62611 60.92NAVD881OUSGSSA
1983-01-1315:15 UTCm7201938.90  1OUSGSSA
1983-02-2514:30 UTCm62610 61.54NGVD291OUSGSSA
1983-02-2514:30 UTCm62611 60.36NAVD881OUSGSSA
1983-02-2514:30 UTCm7201939.46  1OUSGSSA
1983-03-3016:30 UTCm62610 62.20NGVD291OUSGSSA
1983-03-3016:30 UTCm62611 61.02NAVD881OUSGSSA
1983-03-3016:30 UTCm7201938.80  1OUSGSSA
1983-05-0215:15 UTCm62610 65.78NGVD291OUSGSSA
1983-05-0215:15 UTCm62611 64.60NAVD881OUSGSSA
1983-05-0215:15 UTCm7201935.22  1OUSGSSA
1983-06-0614:15 UTCm62610 66.55NGVD291OUSGSSA
1983-06-0614:15 UTCm62611 65.37NAVD881OUSGSSA
1983-06-0614:15 UTCm7201934.45  1OUSGSSA
1983-07-1113:50 UTCm62610 65.61NGVD291OUSGSSA
1983-07-1113:50 UTCm62611 64.43NAVD881OUSGSSA
1983-07-1113:50 UTCm7201935.39  1OUSGSSA
1983-08-1514:13 UTCm62610 65.31NGVD291OUSGSSA
1983-08-1514:13 UTCm62611 64.13NAVD881OUSGSSA
1983-08-1514:13 UTCm7201935.69  1OUSGSSA
1983-09-2114:20 UTCm62610 64.56NGVD291OUSGSSA
1983-09-2114:20 UTCm62611 63.38NAVD881OUSGSSA
1983-09-2114:20 UTCm7201936.44  1OUSGSSA
1983-10-2713:45 UTCm62610 65.80NGVD291OUSGSSA
1983-10-2713:45 UTCm62611 64.62NAVD881OUSGSSA
1983-10-2713:45 UTCm7201935.20  1OUSGSSA
1983-12-0114:40 UTCm62610 66.53NGVD291OUSGSSA
1983-12-0114:40 UTCm62611 65.35NAVD881OUSGSSA
1983-12-0114:40 UTCm7201934.47  1OUSGSSA
1984-01-0914:14 UTCm62610 67.05NGVD291OUSGSSA
1984-01-0914:14 UTCm62611 65.87NAVD881OUSGSSA
1984-01-0914:14 UTCm7201933.95  1OUSGSSA
1984-02-0215:15 UTCm62610 66.50NGVD291OUSGSSA
1984-02-0215:15 UTCm62611 65.32NAVD881OUSGSSA
1984-02-0215:15 UTCm7201934.50  1OUSGSSA
1984-04-0219:00 UTCm62610 67.26NGVD291OUSGSSA
1984-04-0219:00 UTCm62611 66.08NAVD881OUSGSSA
1984-04-0219:00 UTCm7201933.74  1OUSGSSA
1984-06-0116:40 UTCm62610 68.74NGVD291OUSGSSA
1984-06-0116:40 UTCm62611 67.56NAVD881OUSGSSA
1984-06-0116:40 UTCm7201932.26  1OUSGSSA
1984-07-2615:00 UTCm62610 69.97NGVD291OUSGSSA
1984-07-2615:00 UTCm62611 68.79NAVD881OUSGSSA
1984-07-2615:00 UTCm7201931.03  1OUSGSSA
1984-09-2718:15 UTCm62610 68.40NGVD291OUSGSSA
1984-09-2718:15 UTCm62611 67.22NAVD881OUSGSSA
1984-09-2718:15 UTCm7201932.60  1OUSGSSA
1984-11-0716:15 UTCm62610 67.16NGVD291OUSGSSA
1984-11-0716:15 UTCm62611 65.98NAVD881OUSGSSA
1984-11-0716:15 UTCm7201933.84  1OUSGSSA
1985-01-1416:11 UTCm62610 65.60NGVD291OUSGSSA
1985-01-1416:11 UTCm62611 64.42NAVD881OUSGSSA
1985-01-1416:11 UTCm7201935.40  1OUSGSSA
1985-03-0815:44 UTCm62610 64.63NGVD291OUSGSSA
1985-03-0815:44 UTCm62611 63.45NAVD881OUSGSSA
1985-03-0815:44 UTCm7201936.37  1OUSGSSA
1985-05-1415:50 UTCm62610 63.60NGVD291OUSGSSA
1985-05-1415:50 UTCm62611 62.42NAVD881OUSGSSA
1985-05-1415:50 UTCm7201937.40  1OUSGSSA
1985-07-2416:21 UTCm62610 62.99NGVD291OUSGSSA
1985-07-2416:21 UTCm62611 61.81NAVD881OUSGSSA
1985-07-2416:21 UTCm7201938.01  1OUSGSSA
1985-09-2615:12 UTCm62610 62.20NGVD291OUSGSSA
1985-09-2615:12 UTCm62611 61.02NAVD881OUSGSSA
1985-09-2615:12 UTCm7201938.80  1OUSGSSA
1986-01-0617:12 UTCm62610 61.84NGVD291OUSGSSA
1986-01-0617:12 UTCm62611 60.66NAVD881OUSGSSA
1986-01-0617:12 UTCm7201939.16  1OUSGSSA
1986-05-0813:05 UTCm62610 61.82NGVD291OUSGSSA
1986-05-0813:05 UTCm62611 60.64NAVD881OUSGSSA
1986-05-0813:05 UTCm7201939.18  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.