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Groundwater levels for the Nation

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USGS 404358073365601 N 9966. 1

Nassau County, New York
Latitude  40°43'58", Longitude  73°36'56" NAD27
Land-surface elevation 82.0 feet above NGVD29
The depth of the well is 54 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 Glacial Aquifer, Upper (112GLCLU) local aquifer.
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Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
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Method of
measurement
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agency
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measurement
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Water-level
approval
status
1982-08-1918:45 UTCm62610 58.53NGVD291OUSGSSA
1982-08-1918:45 UTCm62611 57.38NAVD881OUSGSSA
1982-08-1918:45 UTCm7201923.47  1OUSGSSA
1982-11-17 D62610 55.24NGVD291OUSGSSA
1982-11-17 D62611 54.09NAVD881OUSGSSA
1982-11-17 D7201926.76  1OUSGSSA
1983-02-1821:15 UTCm62610 53.37NGVD291OUSGSSA
1983-02-1821:15 UTCm62611 52.22NAVD881OUSGSSA
1983-02-1821:15 UTCm7201928.63  1OUSGSSA
1983-03-0919:30 UTCm62610 54.22NGVD291OUSGSSA
1983-03-0919:30 UTCm62611 53.07NAVD881OUSGSSA
1983-03-0919:30 UTCm7201927.78  1OUSGSSA
1983-03-1520:40 UTCm62610 54.29NGVD291OUSGSSA
1983-03-1520:40 UTCm62611 53.14NAVD881OUSGSSA
1983-03-1520:40 UTCm7201927.71  1OUSGSSA
1983-03-3113:47 UTCm62610 55.12NGVD291OUSGSSA
1983-03-3113:47 UTCm62611 53.97NAVD881OUSGSSA
1983-03-3113:47 UTCm7201926.88  1OUSGSSA
1983-04-1421:00 UTCm62610 56.35NGVD291OUSGSSA
1983-04-1421:00 UTCm62611 55.20NAVD881OUSGSSA
1983-04-1421:00 UTCm7201925.65  1OUSGSSA
1983-05-2316:30 UTCm62610 58.79NGVD291OUSGSSA
1983-05-2316:30 UTCm62611 57.64NAVD881OUSGSSA
1983-05-2316:30 UTCm7201923.21  1OUSGSSA
1983-06-2921:40 UTCm62610 59.12NGVD291OUSGSSA
1983-06-2921:40 UTCm62611 57.97NAVD881OUSGSSA
1983-06-2921:40 UTCm7201922.88  1OUSGSSA
1983-07-1418:25 UTCm62610 58.01NGVD291OUSGSSA
1983-07-1418:25 UTCm62611 56.86NAVD881OUSGSSA
1983-07-1418:25 UTCm7201923.99  1OUSGSSA
1983-08-0814:30 UTCm62610 57.30NGVD291OUSGSSA
1983-08-0814:30 UTCm62611 56.15NAVD881OUSGSSA
1983-08-0814:30 UTCm7201924.70  1OUSGSSA
1983-08-1122:15 UTCm62610 57.10NGVD291OUSGSSA
1983-08-1122:15 UTCm62611 55.95NAVD881OUSGSSA
1983-08-1122:15 UTCm7201924.90  1OUSGSSA
1983-08-3118:15 UTCm62610 57.29NGVD291OUSGSSA
1983-08-3118:15 UTCm62611 56.14NAVD881OUSGSSA
1983-08-3118:15 UTCm7201924.71  1OUSGSSA
1983-09-1216:52 UTCm62610 56.56NGVD291OUSGSSA
1983-09-1216:52 UTCm62611 55.41NAVD881OUSGSSA
1983-09-1216:52 UTCm7201925.44  1OUSGSSA
1983-10-0616:05 UTCm62610 56.89NGVD291OUSGSSA
1983-10-0616:05 UTCm62611 55.74NAVD881OUSGSSA
1983-10-0616:05 UTCm7201925.11  1OUSGSSA
1983-11-0317:05 UTCm62610 56.24NGVD291OUSGSSA
1983-11-0317:05 UTCm62611 55.09NAVD881OUSGSSA
1983-11-0317:05 UTCm7201925.76  1OUSGSSA
1983-12-0215:35 UTCm62610 56.45NGVD291OUSGSSA
1983-12-0215:35 UTCm62611 55.30NAVD881OUSGSSA
1983-12-0215:35 UTCm7201925.55  1OUSGSSA
1984-01-3017:45 UTCm62610 57.25NGVD291OUSGSSA
1984-01-3017:45 UTCm62611 56.10NAVD881OUSGSSA
1984-01-3017:45 UTCm7201924.75  1OUSGSSA
1984-03-0120:30 UTCm62610 57.91NGVD291OUSGSSA
1984-03-0120:30 UTCm62611 56.76NAVD881OUSGSSA
1984-03-0120:30 UTCm7201924.09  1OUSGSSA
1984-04-0220:30 UTCm62610 58.70NGVD291OUSGSSA
1984-04-0220:30 UTCm62611 57.55NAVD881OUSGSSA
1984-04-0220:30 UTCm7201923.30  1OUSGSSA
1984-04-1617:15 UTCm62610 59.92NGVD291OUSGSSA
1984-04-1617:15 UTCm62611 58.77NAVD881OUSGSSA
1984-04-1617:15 UTCm7201922.08  1OUSGSSA
1984-04-2514:05 UTCm62610 59.89NGVD291OUSGSSA
1984-04-2514:05 UTCm62611 58.74NAVD881OUSGSSA
1984-04-2514:05 UTCm7201922.11  1OUSGSSA
1984-05-0322:00 UTCm62610 60.25NGVD291OUSGSSA
1984-05-0322:00 UTCm62611 59.10NAVD881OUSGSSA
1984-05-0322:00 UTCm7201921.75  1OUSGSSA
1984-06-0519:25 UTCm62610 62.60NGVD291OUSGSSA
1984-06-0519:25 UTCm62611 61.45NAVD881OUSGSSA
1984-06-0519:25 UTCm7201919.40  1OUSGSSA
1984-07-0316:45 UTCm62610 64.08NGVD291OUSGSSA
1984-07-0316:45 UTCm62611 62.93NAVD881OUSGSSA
1984-07-0316:45 UTCm7201917.92  1OUSGSSA
1984-08-0220:30 UTCm62610 64.24NGVD291OUSGSSA
1984-08-0220:30 UTCm62611 63.09NAVD881OUSGSSA
1984-08-0220:30 UTCm7201917.76  1OUSGSSA
1984-08-0716:30 UTCm62610 64.15NGVD291OUSGSSA
1984-08-0716:30 UTCm62611 63.00NAVD881OUSGSSA
1984-08-0716:30 UTCm7201917.85  1OUSGSSA
1984-08-0818:14 UTCm62610 64.06NGVD291OUSGSSA
1984-08-0818:14 UTCm62611 62.91NAVD881OUSGSSA
1984-08-0818:14 UTCm7201917.94  1OUSGSSA
1987-05-1916:20 UTCm62610 56.71NGVD291OUSGSSA
1987-05-1916:20 UTCm62611 55.56NAVD881OUSGSSA
1987-05-1916:20 UTCm7201925.29  1OUSGSSA
1987-07-2815:31 UTCm62610 57.39NGVD291OUSGSSA
1987-07-2815:31 UTCm62611 56.24NAVD881OUSGSSA
1987-07-2815:31 UTCm7201924.61  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.