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Groundwater levels for the Nation

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USGS 404356073361802 N 9713. 1

Nassau County, New York
Latitude  40°43'56", Longitude  73°36'18" NAD27
Land-surface elevation 87.0 feet above NGVD29
The depth of the well is 218 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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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
1980-12-1720:00 UTCm62610 57.12NGVD291OUSGSSA
1980-12-1720:00 UTCm62611 55.96NAVD881OUSGSSA
1980-12-1720:00 UTCm7201929.88  1OUSGSSA
1981-03-1113:44 UTCm62610 57.71NGVD291OUSGSSA
1981-03-1113:44 UTCm62611 56.55NAVD881OUSGSSA
1981-03-1113:44 UTCm7201929.29  1OUSGSSA
1981-06-0816:45 UTCm62610 56.17NGVD291OUSGSSA
1981-06-0816:45 UTCm62611 55.01NAVD881OUSGSSA
1981-06-0816:45 UTCm7201930.83  1OUSGSSA
1981-10-1614:18 UTCm62610 55.15NGVD291OUSGSSA
1981-10-1614:18 UTCm62611 53.99NAVD881OUSGSSA
1981-10-1614:18 UTCm7201931.85  1OUSGSSA
1982-01-1218:17 UTCm62610 55.15NGVD291OUSGSSA
1982-01-1218:17 UTCm62611 53.99NAVD881OUSGSSA
1982-01-1218:17 UTCm7201931.85  1OUSGSSA
1982-03-1817:00 UTCm62610 55.45NGVD291OUSGSSA
1982-03-1817:00 UTCm62611 54.29NAVD881OUSGSSA
1982-03-1817:00 UTCm7201931.55  1OUSGSSA
1982-03-2216:20 UTCm62610 55.02NGVD291OUSGSSA
1982-03-2216:20 UTCm62611 53.86NAVD881OUSGSSA
1982-03-2216:20 UTCm7201931.98  1OUSGSSA
1982-04-1416:15 UTCm62610 56.27NGVD291OUSGSSA
1982-04-1416:15 UTCm62611 55.11NAVD881OUSGSSA
1982-04-1416:15 UTCm7201930.73  1OUSGSSA
1982-08-1916:45 UTCm62610 53.54NGVD291OUSGSSA
1982-08-1916:45 UTCm62611 52.38NAVD881OUSGSSA
1982-08-1916:45 UTCm7201933.46  1OUSGSSA
1982-09-1018:27 UTCm62610 53.46NGVD291OUSGSSA
1982-09-1018:27 UTCm62611 52.30NAVD881OUSGSSA
1982-09-1018:27 UTCm7201933.54  1OUSGSSA
1982-12-1416:33 UTCm62610 52.73NGVD291OUSGSSA
1982-12-1416:33 UTCm62611 51.57NAVD881OUSGSSA
1982-12-1416:33 UTCm7201934.27  1OUSGSSA
1983-03-3113:25 UTCm62610 54.56NGVD291OUSGSSA
1983-03-3113:25 UTCm62611 53.40NAVD881OUSGSSA
1983-03-3113:25 UTCm7201932.44  1OUSGSSA
1983-04-1217:46 UTCm62610 55.52NGVD291OUSGSSA
1983-04-1217:46 UTCm62611 54.36NAVD881OUSGSSA
1983-04-1217:46 UTCm7201931.48  1OUSGSSA
1983-04-1414:39 UTCm62610 54.12NGVD291OUSGSSA
1983-04-1414:39 UTCm62611 52.96NAVD881OUSGSSA
1983-04-1414:39 UTCm7201932.88  1OUSGSSA
1983-04-1419:39 UTCm62610 53.68NGVD291OUSGSSA
1983-04-1419:39 UTCm62611 52.52NAVD881OUSGSSA
1983-04-1419:39 UTCm7201933.32  1OUSGSSA
1983-08-3123:00 UTCm62610 53.33NGVD291OUSGSSA
1983-08-3123:00 UTCm62611 52.17NAVD881OUSGSSA
1983-08-3123:00 UTCm7201933.67  1OUSGSSA
1984-04-2520:15 UTCm62610 59.01NGVD291OUSGSSA
1984-04-2520:15 UTCm62611 57.85NAVD881OUSGSSA
1984-04-2520:15 UTCm7201927.99  1OUSGSSA
1984-05-1418:55 UTCm62610 58.55NGVD291OUSGSSA
1984-05-1418:55 UTCm62611 57.39NAVD881OUSGSSA
1984-05-1418:55 UTCm7201928.45  1OUSGSSA
1987-05-2114:15 UTCm62610 55.43NGVD291OUSGSSA
1987-05-2114:15 UTCm62611 54.27NAVD881OUSGSSA
1987-05-2114:15 UTCm7201931.57  1OUSGSSA
1988-09-0614:30 UTCm62610 52.15NGVD291OUSGSSA
1988-09-0614:30 UTCm62611 50.99NAVD881OUSGSSA
1988-09-0614:30 UTCm7201934.85  1OUSGSSA

Explanation
SectionCodeDescription
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.