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Groundwater levels for the Nation

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USGS 404757073283301 N 8043. 1

Nassau County, New York
Latitude  40°47'54", Longitude  73°28'31" NAD27
Land-surface elevation 222.0 feet above NGVD29
The depth of the well is 688 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
1969-11-24 D62610 74.26NGVD291OUSGSSA
1969-11-24 D62611 73.16NAVD881OUSGSSA
1969-11-24 D72019147.74  1OUSGSSA
1970-03-05 D62610 75.57NGVD291OUSGSSA
1970-03-05 D62611 74.47NAVD881OUSGSSA
1970-03-05 D72019146.43  1OUSGSSA
1971-03-10 D62610 77.11NGVD291OUSGSSA
1971-03-10 D62611 76.01NAVD881OUSGSSA
1971-03-10 D72019144.89  1OUSGSSA
1972-03-14 D62610 75.48NGVD291OUSGSSA
1972-03-14 D62611 74.38NAVD881OUSGSSA
1972-03-14 D72019146.52  1OUSGSSA
1973-03-21 D62610 80.05NGVD291OUSGSSA
1973-03-21 D62611 78.95NAVD881OUSGSSA
1973-03-21 D72019141.95  1OUSGSSA
1974-03-26 D62610 83.43NGVD291OUSGSSA
1974-03-26 D62611 82.33NAVD881OUSGSSA
1974-03-26 D72019138.57  1OUSGSSA
1975-03-18 D62610 80.81NGVD291OUSGSSA
1975-03-18 D62611 79.71NAVD881OUSGSSA
1975-03-18 D72019141.19  1OUSGSSA
1976-03-19 D62610 83.84NGVD291OUSGSSA
1976-03-19 D62611 82.74NAVD881OUSGSSA
1976-03-19 D72019138.16  1OUSGSSA
1976-03-2914:50 UTCm62610 83.84NGVD291SUSGSSA
1976-03-2914:50 UTCm62611 82.74NAVD881SUSGSSA
1976-03-2914:50 UTCm72019138.16  1SUSGSSA
1977-03-2915:15 UTCm62610 81.21NGVD291SUSGSSA
1977-03-2915:15 UTCm62611 80.11NAVD881SUSGSSA
1977-03-2915:15 UTCm72019140.79  1SUSGSSA
1978-03-14 D62610 83.99NGVD291OUSGSSA
1978-03-14 D62611 82.89NAVD881OUSGSSA
1978-03-14 D72019138.01  1OUSGSSA
1979-03-15 D62610 85.99NGVD291OUSGSSA
1979-03-15 D62611 84.89NAVD881OUSGSSA
1979-03-15 D72019136.01  1OUSGSSA
1980-03-13 D62610 87.14NGVD291OUSGSSA
1980-03-13 D62611 86.04NAVD881OUSGSSA
1980-03-13 D72019134.86  1OUSGSSA
1981-03-10 D62610 85.96NGVD291OUSGSSA
1981-03-10 D62611 84.86NAVD881OUSGSSA
1981-03-10 D72019136.04  1OUSGSSA
1982-03-0914:25 UTCm62610 80.99NGVD291SUSGSSA
1982-03-0914:25 UTCm62611 79.89NAVD881SUSGSSA
1982-03-0914:25 UTCm72019141.01  1SUSGSSA
1983-03-0814:15 UTCm62610 78.51NGVD291SUSGSSA
1983-03-0814:15 UTCm62611 77.41NAVD881SUSGSSA
1983-03-0814:15 UTCm72019143.49  1SUSGSSA
1984-03-1515:50 UTCm62610 82.93NGVD291SUSGSSA
1984-03-1515:50 UTCm62611 81.83NAVD881SUSGSSA
1984-03-1515:50 UTCm72019139.07  1SUSGSSA
1985-04-1718:04 UTCm62610 87.69NGVD291SUSGSSA
1985-04-1718:04 UTCm62611 86.59NAVD881SUSGSSA
1985-04-1718:04 UTCm72019134.31  1SUSGSSA
1985-04-1718:15 UTCm62610 86.47NGVD291SUSGSSA
1985-04-1718:15 UTCm62611 85.37NAVD881SUSGSSA
1985-04-1718:15 UTCm72019135.53  1SUSGSSA
1985-04-1718:20 UTCm62610 87.91NGVD291SUSGSSA
1985-04-1718:20 UTCm62611 86.81NAVD881SUSGSSA
1985-04-1718:20 UTCm72019134.09  1SUSGSSA
1985-04-1718:25 UTCm62610 87.92NGVD291SUSGSSA
1985-04-1718:25 UTCm62611 86.82NAVD881SUSGSSA
1985-04-1718:25 UTCm72019134.08  1SUSGSSA
1988-05-0513:30 UTCm62610 75.50NGVD291OUSGSSA
1988-05-0513:30 UTCm62611 74.40NAVD881OUSGSSA
1988-05-0513:30 UTCm72019146.50  1OUSGSSA
1989-02-1614:15 UTCm62610 72.46NGVD291OUSGSSA
1989-02-1614:15 UTCm62611 71.36NAVD881OUSGSSA
1989-02-1614:15 UTCm72019149.54  1OUSGSSA
1990-04-0612:40 UTCm62610 79.92NGVD291OUSGSSA
1990-04-0612:40 UTCm62611 78.82NAVD881OUSGSSA
1990-04-0612:40 UTCm72019142.08  1OUSGSSA
1991-04-0313:35 UTCm62610 83.68NGVD291OUSGSSA
1991-04-0313:35 UTCm62611 82.58NAVD881OUSGSSA
1991-04-0313:35 UTCm72019138.32  1OUSGSSA
1992-03-2416:10 UTCm62610 81.16NGVD291OUSGSSA
1992-03-2416:10 UTCm62611 80.06NAVD881OUSGSSA
1992-03-2416:10 UTCm72019140.84  1OUSGSSA
1993-04-1313:25 UTCm62610 77.31NGVD291OUSGSSA
1993-04-1313:25 UTCm62611 76.21NAVD881OUSGSSA
1993-04-1313:25 UTCm72019144.69  1OUSGSSA
1994-04-1213:18 UTCm62610 76.18NGVD291OUSGSSA
1994-04-1213:18 UTCm62611 75.08NAVD881OUSGSSA
1994-04-1213:18 UTCm72019145.82  1OUSGSSA
1995-04-1113:41 UTCm62610 74.27NGVD291OUSGSSA
1995-04-1113:41 UTCm62611 73.17NAVD881OUSGSSA
1995-04-1113:41 UTCm72019147.73  1OUSGSSA
1996-04-0217:20 UTCm62610 71.70NGVD291OUSGSSA
1996-04-0217:20 UTCm62611 70.60NAVD881OUSGSSA
1996-04-0217:20 UTCm72019150.30  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.
Method of measurementSSteel-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.