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Groundwater levels for New York

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Agency code = usgs
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  • 404310073331602
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USGS 404310073331602 N 7797. 1

Nassau County, New York
Latitude  40°43'08", Longitude  73°33'21" NAD27
Land-surface elevation 80.0 feet above NGVD29
The depth of the well is 550 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.
Output formats
Table of 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
1971-03-23 D62610 50.25NGVD293OUSGSSA
1971-03-23 D62611 49.08NAVD883OUSGSSA
1971-03-23 D7201929.75  3OUSGSSA
1972-03-13 D62610 48.14NGVD291OUSGSSA
1972-03-13 D62611 46.97NAVD881OUSGSSA
1972-03-13 D7201931.86  1OUSGSSA
1973-03-20 D62610 54.36NGVD291OUSGSSA
1973-03-20 D62611 53.19NAVD881OUSGSSA
1973-03-20 D7201925.64  1OUSGSSA
1974-03-25 D62610 49.80NGVD291OUSGSSA
1974-03-25 D62611 48.63NAVD881OUSGSSA
1974-03-25 D7201930.20  1OUSGSSA
1975-03-17 D62610 50.38NGVD291OUSGSSA
1975-03-17 D62611 49.21NAVD881OUSGSSA
1975-03-17 D7201929.62  1OUSGSSA
1976-03-18 D62610 51.90NGVD291OUSGSSA
1976-03-18 D62611 50.73NAVD881OUSGSSA
1976-03-18 D7201928.10  1OUSGSSA
1977-03-21 D62610 45.35NGVD291OUSGSSA
1977-03-21 D62611 44.18NAVD881OUSGSSA
1977-03-21 D7201934.65  1OUSGSSA
1978-03-15 D62610 48.97NGVD291OUSGSSA
1978-03-15 D62611 47.80NAVD881OUSGSSA
1978-03-15 D7201931.03  1OUSGSSA
1979-03-14 D62610 51.41NGVD291OUSGSSA
1979-03-14 D62611 50.24NAVD881OUSGSSA
1979-03-14 D7201928.59  1OUSGSSA
1980-03-12 D62610 50.76NGVD291OUSGSSA
1980-03-12 D62611 49.59NAVD881OUSGSSA
1980-03-12 D7201929.24  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
Status3True value is above reported value due to local conditions
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.