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Groundwater levels for the Nation

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USGS 404016073371901 N 9663. 1

Nassau County, New York
Latitude  40°40'16", Longitude  73°37'19" NAD27
Land-surface elevation 38.0 feet above NGVD29
The depth of the well is 50 feet below land surface.
The depth of the hole is 50 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
1979-04-18 D62610 21.79NGVD291OUSGSSA
1979-04-18 D62611 20.65NAVD881OUSGSSA
1979-04-18 D7201916.21  1OUSGSSA
1979-05-23 D62610 21.59NGVD291OUSGSSA
1979-05-23 D62611 20.45NAVD881OUSGSSA
1979-05-23 D7201916.41  1OUSGSSA
1979-06-0414:19 UTCm62610 20.00NGVD291OUSGSSA
1979-06-0414:19 UTCm62611 18.86NAVD881OUSGSSA
1979-06-0414:19 UTCm7201918.00  1OUSGSSA
1979-09-1118:53 UTCm62610 20.76NGVD291OUSGSSA
1979-09-1118:53 UTCm62611 19.62NAVD881OUSGSSA
1979-09-1118:53 UTCm7201917.24  1OUSGSSA
1979-12-0617:55 UTCm62610 19.68NGVD291OUSGSSA
1979-12-0617:55 UTCm62611 18.54NAVD881OUSGSSA
1979-12-0617:55 UTCm7201918.32  1OUSGSSA
1980-03-1919:03 UTCm62610 18.86NGVD291OUSGSSA
1980-03-1919:03 UTCm62611 17.72NAVD881OUSGSSA
1980-03-1919:03 UTCm7201919.14  1OUSGSSA
1980-05-3014:12 UTCm62610 21.87NGVD291OUSGSSA
1980-05-3014:12 UTCm62611 20.73NAVD881OUSGSSA
1980-05-3014:12 UTCm7201916.13  1OUSGSSA
1980-09-0320:17 UTCm62610 20.46NGVD291OUSGSSA
1980-09-0320:17 UTCm62611 19.32NAVD881OUSGSSA
1980-09-0320:17 UTCm7201917.54  1OUSGSSA
1980-12-1714:25 UTCm62610 18.03NGVD291OUSGSSA
1980-12-1714:25 UTCm62611 16.89NAVD881OUSGSSA
1980-12-1714:25 UTCm7201919.97  1OUSGSSA
1981-03-0420:11 UTCm62610 18.30NGVD291OUSGSSA
1981-03-0420:11 UTCm62611 17.16NAVD881OUSGSSA
1981-03-0420:11 UTCm7201919.70  1OUSGSSA
1981-06-0415:53 UTCm62610 17.47NGVD291OUSGSSA
1981-06-0415:53 UTCm62611 16.33NAVD881OUSGSSA
1981-06-0415:53 UTCm7201920.53  1OUSGSSA
1981-09-0315:41 UTCm62610 16.41NGVD291OUSGSSA
1981-09-0315:41 UTCm62611 15.27NAVD881OUSGSSA
1981-09-0315:41 UTCm7201921.59  1OUSGSSA
1982-01-0614:51 UTCm62610 16.50NGVD291OUSGSSA
1982-01-0614:51 UTCm62611 15.36NAVD881OUSGSSA
1982-01-0614:51 UTCm7201921.50  1OUSGSSA
1982-03-1517:40 UTCm62610 16.76NGVD291OUSGSSA
1982-03-1517:40 UTCm62611 15.62NAVD881OUSGSSA
1982-03-1517:40 UTCm7201921.24  1OUSGSSA
1982-06-2419:13 UTCm62610 19.91NGVD291OUSGSSA
1982-06-2419:13 UTCm62611 18.77NAVD881OUSGSSA
1982-06-2419:13 UTCm7201918.09  1OUSGSSA
1982-09-0717:50 UTCm62610 18.63NGVD291OUSGSSA
1982-09-0717:50 UTCm62611 17.49NAVD881OUSGSSA
1982-09-0717:50 UTCm7201919.37  1OUSGSSA
1982-12-1514:48 UTCm62610 16.32NGVD291OUSGSSA
1982-12-1514:48 UTCm62611 15.18NAVD881OUSGSSA
1982-12-1514:48 UTCm7201921.68  1OUSGSSA
1983-04-0514:17 UTCm62610 18.27NGVD291OUSGSSA
1983-04-0514:17 UTCm62611 17.13NAVD881OUSGSSA
1983-04-0514:17 UTCm7201919.73  1OUSGSSA
1990-03-26 D62610 20.19NGVD291OUSGSSA
1990-03-26 D62611 19.05NAVD881OUSGSSA
1990-03-26 D7201917.81  1OUSGSSA
1990-08-17 D62610 20.03NGVD291OUSGSSA
1990-08-17 D62611 18.89NAVD881OUSGSSA
1990-08-17 D7201917.97  1OUSGSSA
1990-10-31 D62610 20.32NGVD291OUSGSSA
1990-10-31 D62611 19.18NAVD881OUSGSSA
1990-10-31 D7201917.68  1OUSGSSA
1992-03-1619:35 UTCm62610 17.59NGVD291OUSGSSA
1992-03-1619:35 UTCm62611 16.45NAVD881OUSGSSA
1992-03-1619:35 UTCm7201920.41  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.