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Groundwater levels for the Nation

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  • 404516073343401
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USGS 404516073343401 N 2602. 2

Nassau County, New York
Latitude  40°45'18", Longitude  73°34'33" NAD27
Land-surface elevation 116.0 feet above NGVD29
The depth of the well is 805 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 Lloyd Aquifer (211LLYD) 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
1953-04-27 D62610 22.33NGVD291OUSGSSA
1953-04-27 D62611 21.17NAVD881OUSGSSA
1953-04-27 D7201993.67  1OUSGSSA
1955-04-26 D62610 23.46NGVD291OUSGSSA
1955-04-26 D62611 22.30NAVD881OUSGSSA
1955-04-26 D7201992.54  1OUSGSSA
1956-09-20 D62610 20.85NGVD291OUSGSSA
1956-09-20 D62611 19.69NAVD881OUSGSSA
1956-09-20 D7201995.15  1OUSGSSA
1961-02-14 D62610 22.91NGVD291OUSGSSA
1961-02-14 D62611 21.75NAVD881OUSGSSA
1961-02-14 D7201993.09  1OUSGSSA
1961-03-13 D62610 22.74NGVD291OUSGSSA
1961-03-13 D62611 21.58NAVD881OUSGSSA
1961-03-13 D7201993.26  1OUSGSSA
1969-12-01 D62610 16.70NGVD291OUSGSSA
1969-12-01 D62611 15.54NAVD881OUSGSSA
1969-12-01 D7201999.30  1OUSGSSA
1970-12-18 D62610 15.50NGVD291OUSGSSA
1970-12-18 D62611 14.34NAVD881OUSGSSA
1970-12-18 D72019100.50  1OUSGSSA
1972-01-06 D62610 16.20NGVD291OUSGSSA
1972-01-06 D62611 15.04NAVD881OUSGSSA
1972-01-06 D7201999.80  1OUSGSSA
1974-01-30 D62610 20.80NGVD291OUSGSSA
1974-01-30 D62611 19.64NAVD881OUSGSSA
1974-01-30 D7201995.20  1OUSGSSA
1975-01-15 D62610 14.98NGVD291OUSGSSA
1975-01-15 D62611 13.82NAVD881OUSGSSA
1975-01-15 D72019101.02  1OUSGSSA
1976-01-2218:15 UTCm62610 20.05NGVD291OUSGSSA
1976-01-2218:15 UTCm62611 18.89NAVD881OUSGSSA
1976-01-2218:15 UTCm7201995.95  1OUSGSSA
1977-01-2719:05 UTCm62610 12.74NGVD291OUSGSSA
1977-01-2719:05 UTCm62611 11.58NAVD881OUSGSSA
1977-01-2719:05 UTCm72019103.26  1OUSGSSA
1978-01-2716:10 UTCm62610 20.18NGVD291OUSGSSA
1978-01-2716:10 UTCm62611 19.02NAVD881OUSGSSA
1978-01-2716:10 UTCm7201995.82  1OUSGSSA
1979-01-1700:35 UTCm62610 19.72NGVD291OUSGSSA
1979-01-1700:35 UTCm62611 18.56NAVD881OUSGSSA
1979-01-1700:35 UTCm7201996.28  1OUSGSSA
1980-01-2113:30 UTCm62610 20.50NGVD291OUSGSSA
1980-01-2113:30 UTCm62611 19.34NAVD881OUSGSSA
1980-01-2113:30 UTCm7201995.50  1OUSGSSA
1981-01-2113:30 UTCm62610 17.45NGVD291OUSGSSA
1981-01-2113:30 UTCm62611 16.29NAVD881OUSGSSA
1981-01-2113:30 UTCm7201998.55  1OUSGSSA
1982-01-0415:00 UTCm62610 10.90NGVD291OUSGSSA
1982-01-0415:00 UTCm62611 9.74NAVD881OUSGSSA
1982-01-0415:00 UTCm72019105.10  1OUSGSSA
1983-01-0515:30 UTCm62610 16.53NGVD291OUSGSSA
1983-01-0515:30 UTCm62611 15.37NAVD881OUSGSSA
1983-01-0515:30 UTCm7201999.47  1OUSGSSA
1983-01-0515:45 UTCm62610 16.89NGVD291OUSGSSA
1983-01-0515:45 UTCm62611 15.73NAVD881OUSGSSA
1983-01-0515:45 UTCm7201999.11  1OUSGSSA
1984-01-0419:35 UTCm62610 17.51NGVD291OUSGSSA
1984-01-0419:35 UTCm62611 16.35NAVD881OUSGSSA
1984-01-0419:35 UTCm7201998.49  1OUSGSSA
1984-01-0419:40 UTCm62610 17.50NGVD291OUSGSSA
1984-01-0419:40 UTCm62611 16.34NAVD881OUSGSSA
1984-01-0419:40 UTCm7201998.50  1OUSGSSA
1985-01-0319:35 UTCm62610 20.24NGVD291OUSGSSA
1985-01-0319:35 UTCm62611 19.08NAVD881OUSGSSA
1985-01-0319:35 UTCm7201995.76  1OUSGSSA
1986-02-1413:20 UTCm62610 19.24NGVD291OUSGSSA
1986-02-1413:20 UTCm62611 18.08NAVD881OUSGSSA
1986-02-1413:20 UTCm7201996.76  1OUSGSSA
1987-01-1216:00 UTCm62610 18.02NGVD291OUSGSSA
1987-01-1216:00 UTCm62611 16.86NAVD881OUSGSSA
1987-01-1216:00 UTCm7201997.98  1OUSGSSA
1988-02-1915:10 UTCm62610 19.01NGVD291OUSGSSA
1988-02-1915:10 UTCm62611 17.85NAVD881OUSGSSA
1988-02-1915:10 UTCm7201996.99  1OUSGSSA
1988-12-1913:50 UTCm62610 16.38NGVD291OUSGSSA
1988-12-1913:50 UTCm62611 15.22NAVD881OUSGSSA
1988-12-1913:50 UTCm7201999.62  1OUSGSSA
1990-04-0615:30 UTCm62610 19.61NGVD291OUSGSSA
1990-04-0615:30 UTCm62611 18.45NAVD881OUSGSSA
1990-04-0615:30 UTCm7201996.39  1OUSGSSA
1991-04-1015:00 UTCm62610 21.83NGVD291OUSGSSA
1991-04-1015:00 UTCm62611 20.67NAVD881OUSGSSA
1991-04-1015:00 UTCm7201994.17  1OUSGSSA
1992-03-2416:44 UTCm62610 21.58NGVD291OUSGSSA
1992-03-2416:44 UTCm62611 20.42NAVD881OUSGSSA
1992-03-2416:44 UTCm7201994.42  1OUSGSSA
1993-04-1414:10 UTCm62610 20.49NGVD291OUSGSSA
1993-04-1414:10 UTCm62611 19.33NAVD881OUSGSSA
1993-04-1414:10 UTCm7201995.51  1OUSGSSA
1994-04-1915:34 UTCm62610 18.84NGVD291OUSGSSA
1994-04-1915:34 UTCm62611 17.68NAVD881OUSGSSA
1994-04-1915:34 UTCm7201997.16  1OUSGSSA
1995-04-1218:45 UTCm62610 19.80NGVD291OUSGSSA
1995-04-1218:45 UTCm62611 18.64NAVD881OUSGSSA
1995-04-1218:45 UTCm7201996.20  1OUSGSSA
1996-04-0416:05 UTCm62610 18.49NGVD291OUSGSSA
1996-04-0416:05 UTCm62611 17.33NAVD881OUSGSSA
1996-04-0416:05 UTCm7201997.51  1OUSGSSA
1997-04-2316:45 UTCm62610 20.22NGVD291OUSGSSA
1997-04-2316:45 UTCm62611 19.06NAVD881OUSGSSA
1997-04-2316:45 UTCm7201995.78  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.