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Groundwater levels for the Nation

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USGS 404056073313503 N 9655. 1

Nassau County, New York
Latitude  40°40'56", Longitude  73°31'35" NAD27
Land-surface elevation 27.0 feet above NGVD29
The depth of the well is 31 feet below land surface.
The depth of the hole is 31 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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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
1979-03-0714:44 UTCm62610 25.07NGVD291OUSGSSA
1979-03-0714:44 UTCm62611 23.89NAVD881OUSGSSA
1979-03-0714:44 UTCm720191.93  1OUSGSSA
1979-06-0719:34 UTCm62610 23.89NGVD291OUSGSSA
1979-06-0719:34 UTCm62611 22.71NAVD881OUSGSSA
1979-06-0719:34 UTCm720193.11  1OUSGSSA
1979-09-1416:23 UTCm62610 22.44NGVD291OUSGSSA
1979-09-1416:23 UTCm62611 21.26NAVD881OUSGSSA
1979-09-1416:23 UTCm720194.56  1OUSGSSA
1979-12-0514:15 UTCm62610 22.34NGVD291OUSGSSA
1979-12-0514:15 UTCm62611 21.16NAVD881OUSGSSA
1979-12-0514:15 UTCm720194.66  1OUSGSSA
1980-03-1815:50 UTCm62610 22.89NGVD291OUSGSSA
1980-03-1815:50 UTCm62611 21.71NAVD881OUSGSSA
1980-03-1815:50 UTCm720194.11  1OUSGSSA
1980-05-2814:44 UTCm62610 23.57NGVD291OUSGSSA
1980-05-2814:44 UTCm62611 22.39NAVD881OUSGSSA
1980-05-2814:44 UTCm720193.43  1OUSGSSA
1980-09-0314:27 UTCm62610 21.72NGVD291OUSGSSA
1980-09-0314:27 UTCm62611 20.54NAVD881OUSGSSA
1980-09-0314:27 UTCm720195.28  1OUSGSSA
1980-12-1814:49 UTCm62610 21.74NGVD291OUSGSSA
1980-12-1814:49 UTCm62611 20.56NAVD881OUSGSSA
1980-12-1814:49 UTCm720195.26  1OUSGSSA
1981-03-1117:58 UTCm62610 22.71NGVD291OUSGSSA
1981-03-1117:58 UTCm62611 21.53NAVD881OUSGSSA
1981-03-1117:58 UTCm720194.29  1OUSGSSA
1981-06-0414:47 UTCm62610 21.48NGVD291OUSGSSA
1981-06-0414:47 UTCm62611 20.30NAVD881OUSGSSA
1981-06-0414:47 UTCm720195.52  1OUSGSSA
1981-09-0816:17 UTCm62610 20.58NGVD291OUSGSSA
1981-09-0816:17 UTCm62611 19.40NAVD881OUSGSSA
1981-09-0816:17 UTCm720196.42  1OUSGSSA
1982-01-0714:45 UTCm62610 22.29NGVD291OUSGSSA
1982-01-0714:45 UTCm62611 21.11NAVD881OUSGSSA
1982-01-0714:45 UTCm720194.71  1OUSGSSA
1982-03-0814:28 UTCm62610 22.57NGVD291OUSGSSA
1982-03-0814:28 UTCm62611 21.39NAVD881OUSGSSA
1982-03-0814:28 UTCm720194.43  1OUSGSSA
1982-07-0714:40 UTCm62610 22.55NGVD291OUSGSSA
1982-07-0714:40 UTCm62611 21.37NAVD881OUSGSSA
1982-07-0714:40 UTCm720194.45  1OUSGSSA
1982-09-0818:30 UTCm62610 21.96NGVD291OUSGSSA
1982-09-0818:30 UTCm62611 20.78NAVD881OUSGSSA
1982-09-0818:30 UTCm720195.04  1OUSGSSA
1982-12-1018:17 UTCm62610 21.93NGVD291OUSGSSA
1982-12-1018:17 UTCm62611 20.75NAVD881OUSGSSA
1982-12-1018:17 UTCm720195.07  1OUSGSSA
1983-04-1114:42 UTCm62610 22.90NGVD291OUSGSSA
1983-04-1114:42 UTCm62611 21.72NAVD881OUSGSSA
1983-04-1114:42 UTCm720194.10  1OUSGSSA
1983-06-2119:17 UTCm62610 23.31NGVD291OUSGSSA
1983-06-2119:17 UTCm62611 22.13NAVD881OUSGSSA
1983-06-2119:17 UTCm720193.69  1OUSGSSA
1983-08-22 D62610 22.68NGVD291OUSGSSA
1983-08-22 D62611 21.50NAVD881OUSGSSA
1983-08-22 D720194.32  1OUSGSSA
1984-04-3014:38 UTCm62610 22.24NGVD291OUSGSSA
1984-04-3014:38 UTCm62611 21.06NAVD881OUSGSSA
1984-04-3014:38 UTCm720194.76  1OUSGSSA
1987-05-2112:12 UTCm62610 22.33NGVD291OUSGSSA
1987-05-2112:12 UTCm62611 21.15NAVD881OUSGSSA
1987-05-2112:12 UTCm720194.67  1OUSGSSA
1990-03-2620:54 UTCm62610 22.59NGVD291OUSGSSA
1990-03-2620:54 UTCm62611 21.41NAVD881OUSGSSA
1990-03-2620:54 UTCm720194.41  1OUSGSSA
1990-08-17 D62610 21.79NGVD291OUSGSSA
1990-08-17 D62611 20.61NAVD881OUSGSSA
1990-08-17 D720195.21  1OUSGSSA
1990-10-31 D62610 23.41NGVD291OUSGSSA
1990-10-31 D62611 22.23NAVD881OUSGSSA
1990-10-31 D720193.59  1OUSGSSA
1991-06-2418:05 UTCm62610 21.93NGVD291OUSGSSA
1991-06-2418:05 UTCm62611 20.75NAVD881OUSGSSA
1991-06-2418:05 UTCm720195.07  1OUSGSSA
1991-10-2116:45 UTCm62610 21.36NGVD291OUSGSSA
1991-10-2116:45 UTCm62611 20.18NAVD881OUSGSSA
1991-10-2116:45 UTCm720195.64  1OUSGSSA
1992-03-1616:55 UTCm62610 21.47NGVD291OUSGSSA
1992-03-1616:55 UTCm62611 20.29NAVD881OUSGSSA
1992-03-1616:55 UTCm720195.53  1OUSGSSA
1993-03-2219:15 UTCm62610 22.90NGVD291OUSGSSA
1993-03-2219:15 UTCm62611 21.72NAVD881OUSGSSA
1993-03-2219:15 UTCm720194.10  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.