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Groundwater levels for the Nation

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Agency code = usgs
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  • 405231073323102
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USGS 405231073323102 N 202. 1

Nassau County, New York
Latitude  40°52'31", Longitude  73°32'32" NAD27
Land-surface elevation 9.1 feet above NGVD29
The depth of the well is 420 feet below land surface.
The depth of the hole is 420 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
1946-01-23 D62610 29.00NGVD291OUSGSSA
1946-01-23 D62611 27.93NAVD881OUSGSSA
1946-01-23 D72019-19.90  1OUSGSSA
1947-03-28 D62610 29.30NGVD291OUSGSSA
1947-03-28 D62611 28.23NAVD881OUSGSSA
1947-03-28 D72019-20.20  1OUSGSSA
1948-06-08 D62610 26.83NGVD291OUSGSSA
1948-06-08 D62611 25.76NAVD881OUSGSSA
1948-06-08 D72019-17.73  1OUSGSSA
1950-03-16 D62610 29.41NGVD291OUSGSSA
1950-03-16 D62611 28.34NAVD881OUSGSSA
1950-03-16 D72019-20.31  1OUSGSSA
1953-04-27 D62610 32.36NGVD291OUSGSSA
1953-04-27 D62611 31.29NAVD881OUSGSSA
1953-04-27 D72019-23.26  1OUSGSSA
1955-04-22 D62610 33.06NGVD291OUSGSSA
1955-04-22 D62611 31.99NAVD881OUSGSSA
1955-04-22 D72019-23.96  1OUSGSSA
1961-04-21 D62610 32.42NGVD291OUSGSSA
1961-04-21 D62611 31.35NAVD881OUSGSSA
1961-04-21 D72019-23.32  1OUSGSSA
1964-12-16 D62610 30.13NGVD291OUSGSSA
1964-12-16 D62611 29.06NAVD881OUSGSSA
1964-12-16 D72019-21.03  1OUSGSSA
1970-12-16 D62610 29.92NGVD294OUSGSSA
1970-12-16 D62611 28.85NAVD884OUSGSSA
1970-12-16 D72019-20.82  4OUSGSSA
1972-01-06 D62610 27.56NGVD291OUSGSSA
1972-01-06 D62611 26.49NAVD881OUSGSSA
1972-01-06 D72019-18.46  1OUSGSSA
1973-01-09 D62610 28.52NGVD291OUSGSSA
1973-01-09 D62611 27.45NAVD881OUSGSSA
1973-01-09 D72019-19.42  1OUSGSSA
1973-01-16 D62610 27.95NGVD291OUSGSSA
1973-01-16 D62611 26.88NAVD881OUSGSSA
1973-01-16 D72019-18.85  1OUSGSSA
1976-01-22 D62610 29.00NGVD291OUSGSSA
1976-01-22 D62611 27.93NAVD881OUSGSSA
1976-01-22 D72019-19.90  1OUSGSSA
1978-01-26 D62610 32.06NGVD291OUSGSSA
1978-01-26 D62611 30.99NAVD881OUSGSSA
1978-01-26 D72019-22.96  1OUSGSSA
1979-01-16 D62610 31.96NGVD291OUSGSSA
1979-01-16 D62611 30.89NAVD881OUSGSSA
1979-01-16 D72019-22.86  1OUSGSSA
1980-01-2511:15 UTCm62610 32.56NGVD291OUSGSSA
1980-01-2511:15 UTCm62611 31.49NAVD881OUSGSSA
1980-01-2511:15 UTCm72019-23.46  1OUSGSSA
1982-02-0323:23 UTCm62610 30.06NGVD291OUSGSSA
1982-02-0323:23 UTCm62611 28.99NAVD881OUSGSSA
1982-02-0323:23 UTCm72019-20.96  1OUSGSSA
1983-01-0219:10 UTCm62610 30.56NGVD294OUSGSSA
1983-01-0219:10 UTCm62611 29.49NAVD884OUSGSSA
1983-01-0219:10 UTCm72019-21.46  4OUSGSSA
1984-02-0719:30 UTCm62610 32.26NGVD294OUSGSSA
1984-02-0719:30 UTCm62611 31.19NAVD884OUSGSSA
1984-02-0719:30 UTCm72019-23.16  4OUSGSSA
1985-01-0516:45 UTCm62610 34.66NGVD294OUSGSSA
1985-01-0516:45 UTCm62611 33.59NAVD884OUSGSSA
1985-01-0516:45 UTCm72019-25.56  4OUSGSSA
1990-04-1318:30 UTCm62610 32.29NGVD294OUSGSSA
1990-04-1318:30 UTCm62611 31.22NAVD884OUSGSSA
1990-04-1318:30 UTCm72019-23.19  4OUSGSSA
1991-03-2916:05 UTCm62610 29.18NGVD294OUSGSSA
1991-03-2916:05 UTCm62611 28.11NAVD884OUSGSSA
1991-03-2916:05 UTCm72019-20.08  4OUSGSSA
1992-03-2421:25 UTCm62610 28.53NGVD294OUSGSSA
1992-03-2421:25 UTCm62611 27.46NAVD884OUSGSSA
1992-03-2421:25 UTCm72019-19.43  4OUSGSSA
1993-05-0718:30 UTCm62610 28.67NGVD294OUSGSSA
1993-05-0718:30 UTCm62611 27.60NAVD884OUSGSSA
1993-05-0718:30 UTCm72019-19.57  4OUSGSSA

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
Status4Groundwater level affected by tide
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.