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Groundwater levels for the Nation

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USGS 404348073372401 N 10202. 1

Nassau County, New York
Latitude  40°43'48", Longitude  73°37'24" NAD27
Land-surface elevation 91.0 feet above NGVD29
The depth of the well is 45 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.
Output formats
Table of data
Tab-separated data
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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
1984-04-1313:15 UTCm62610 55.09NGVD291OUSGSSA
1984-04-1313:15 UTCm62611 53.94NAVD881OUSGSSA
1984-04-1313:15 UTCm7201935.91  1OUSGSSA
1984-04-2513:20 UTCm62610 56.05NGVD291OUSGSSA
1984-04-2513:20 UTCm62611 54.90NAVD881OUSGSSA
1984-04-2513:20 UTCm7201934.95  1OUSGSSA
1984-05-0720:30 UTCm62610 56.39NGVD291OUSGSSA
1984-05-0720:30 UTCm62611 55.24NAVD881OUSGSSA
1984-05-0720:30 UTCm7201934.61  1OUSGSSA
1984-05-2116:42 UTCm62610 56.28NGVD291OUSGSSA
1984-05-2116:42 UTCm62611 55.13NAVD881OUSGSSA
1984-05-2116:42 UTCm7201934.72  1OUSGSSA
1984-08-0816:55 UTCm62610 58.52NGVD291OUSGSSA
1984-08-0816:55 UTCm62611 57.37NAVD881OUSGSSA
1984-08-0816:55 UTCm7201932.48  1OUSGSSA
1987-05-1917:05 UTCm62610 52.30NGVD291OUSGSSA
1987-05-1917:05 UTCm62611 51.15NAVD881OUSGSSA
1987-05-1917:05 UTCm7201938.70  1OUSGSSA
1987-07-2815:42 UTCm62610 51.16NGVD291OUSGSSA
1987-07-2815:42 UTCm62611 50.01NAVD881OUSGSSA
1987-07-2815:42 UTCm7201939.84  1OUSGSSA
1990-04-2314:40 UTCm62610 54.34NGVD291OUSGSSA
1990-04-2314:40 UTCm62611 53.19NAVD881OUSGSSA
1990-04-2314:40 UTCm7201936.66  1OUSGSSA
1990-08-17 D62610 54.69NGVD291OUSGSSA
1990-08-17 D62611 53.54NAVD881OUSGSSA
1990-08-17 D7201936.31  1OUSGSSA
1990-10-31 D62610 55.16NGVD291OUSGSSA
1990-10-31 D62611 54.01NAVD881OUSGSSA
1990-10-31 D7201935.84  1OUSGSSA
1991-03-2120:00 UTCm62610 55.56NGVD291OUSGSSA
1991-03-2120:00 UTCm62611 54.41NAVD881OUSGSSA
1991-03-2120:00 UTCm7201935.44  1OUSGSSA
1991-06-2516:15 UTCm62610 55.09NGVD291OUSGSSA
1991-06-2516:15 UTCm62611 53.94NAVD881OUSGSSA
1991-06-2516:15 UTCm7201935.91  1OUSGSSA
1991-10-2313:00 UTCm62610 53.81NGVD291OUSGSSA
1991-10-2313:00 UTCm62611 52.66NAVD881OUSGSSA
1991-10-2313:00 UTCm7201937.19  1OUSGSSA
1992-03-1819:00 UTCm62610 52.33NGVD291OUSGSSA
1992-03-1819:00 UTCm62611 51.18NAVD881OUSGSSA
1992-03-1819:00 UTCm7201938.67  1OUSGSSA
1992-06-3017:20 UTCm62610 51.34NGVD291OUSGSSA
1992-06-3017:20 UTCm62611 50.19NAVD881OUSGSSA
1992-06-3017:20 UTCm7201939.66  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.