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Groundwater levels for the Nation

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Agency code = usgs
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  • 404437073402301
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USGS 404437073402301 N 17. 1

Nassau County, New York
Latitude  40°44'37", Longitude  73°40'23" NAD27
Land-surface elevation 101.0 feet above NGVD29
The depth of the well is 100 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
1957-04-16 D62610 58.08NGVD291OUSGSSA
1957-04-16 D62611 56.96NAVD881OUSGSSA
1957-04-16 D7201942.92  1OUSGSSA
1957-04-17 D62610 58.18NGVD291OUSGSSA
1957-04-17 D62611 57.06NAVD881OUSGSSA
1957-04-17 D7201942.82  1OUSGSSA
1967-05-17 D62610 38.70NGVD29POUSGSSA
1967-05-17 D62611 37.58NAVD88POUSGSSA
1967-05-17 D7201962.30  POUSGSSA
1969-11-17 D62610 38.05NGVD291OUSGSSA
1969-11-17 D62611 36.93NAVD881OUSGSSA
1969-11-17 D7201962.95  1OUSGSSA
1970-03-03 D62610 38.27NGVD291OUSGSSA
1970-03-03 D62611 37.15NAVD881OUSGSSA
1970-03-03 D7201962.73  1OUSGSSA
1972-03-14 D62610 40.50NGVD291OUSGSSA
1972-03-14 D62611 39.38NAVD881OUSGSSA
1972-03-14 D7201960.50  1OUSGSSA
1974-03-26 D62610 40.86NGVD291OUSGSSA
1974-03-26 D62611 39.74NAVD881OUSGSSA
1974-03-26 D7201960.14  1OUSGSSA
1975-03-20 D62610 42.88NGVD291OUSGSSA
1975-03-20 D62611 41.76NAVD881OUSGSSA
1975-03-20 D7201958.12  1OUSGSSA
1976-03-18 D62610 47.64NGVD291OUSGSSA
1976-03-18 D62611 46.52NAVD881OUSGSSA
1976-03-18 D7201953.36  1OUSGSSA
1977-03-22 D62610 46.64NGVD291OUSGSSA
1977-03-22 D62611 45.52NAVD881OUSGSSA
1977-03-22 D7201954.36  1OUSGSSA
1978-03-21 D62610 46.03NGVD291OUSGSSA
1978-03-21 D62611 44.91NAVD881OUSGSSA
1978-03-21 D7201954.97  1OUSGSSA
1979-03-15 D62610 51.78NGVD291OUSGSSA
1979-03-15 D62611 50.66NAVD881OUSGSSA
1979-03-15 D7201949.22  1OUSGSSA
1980-03-11 D62610 46.96NGVD291OUSGSSA
1980-03-11 D62611 45.84NAVD881OUSGSSA
1980-03-11 D7201954.04  1OUSGSSA
1981-03-13 D62610 45.45NGVD291OUSGSSA
1981-03-13 D62611 44.33NAVD881OUSGSSA
1981-03-13 D7201955.55  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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
StatusPPumping
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.