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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 404559073414901
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USGS 404559073414901 N 5710. 1

Nassau County, New York
Latitude  40°45'59", Longitude  73°41'55" NAD27
Land-surface elevation 179.0 feet above NGVD29
The depth of the well is 390 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
Tab-separated data
Graph of data
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
1956-10-02 D62610 53.98NGVD291OUSGSSA
1956-10-02 D62611 52.88NAVD881OUSGSSA
1956-10-02 D72019125.02  1OUSGSSA
1957-02-04 D62610 53.81NGVD291OUSGSSA
1957-02-04 D62611 52.71NAVD881OUSGSSA
1957-02-04 D72019125.19  1OUSGSSA
1957-03-29 D62610 52.51NGVD291OUSGSSA
1957-03-29 D62611 51.41NAVD881OUSGSSA
1957-03-29 D72019126.49  1OUSGSSA
1957-05-02 D62610 51.89NGVD291OUSGSSA
1957-05-02 D62611 50.79NAVD881OUSGSSA
1957-05-02 D72019127.11  1OUSGSSA
1958-03-17 D62610 52.34NGVD291OUSGSSA
1958-03-17 D62611 51.24NAVD881OUSGSSA
1958-03-17 D72019126.66  1OUSGSSA
1964-12-08 D62610 41.04NGVD291OUSGSSA
1964-12-08 D62611 39.94NAVD881OUSGSSA
1964-12-08 D72019137.96  1OUSGSSA
1971-03-17 D62610 39.64NGVD291OUSGSSA
1971-03-17 D62611 38.54NAVD881OUSGSSA
1971-03-17 D72019139.36  1OUSGSSA
1972-03-13 D62610 38.40NGVD291OUSGSSA
1972-03-13 D62611 37.30NAVD881OUSGSSA
1972-03-13 D72019140.60  1OUSGSSA
1973-03-20 D62610 29.89NGVD291OUSGSSA
1973-03-20 D62611 28.79NAVD881OUSGSSA
1973-03-20 D72019149.11  1OUSGSSA
1973-04-05 D62610 30.79NGVD291OUSGSSA
1973-04-05 D62611 29.69NAVD881OUSGSSA
1973-04-05 D72019148.21  1OUSGSSA
1974-03-25 D62610 32.47NGVD291OUSGSSA
1974-03-25 D62611 31.37NAVD881OUSGSSA
1974-03-25 D72019146.53  1OUSGSSA
1975-03-17 D62610 32.17NGVD291OUSGSSA
1975-03-17 D62611 31.07NAVD881OUSGSSA
1975-03-17 D72019146.83  1OUSGSSA
1976-03-16 D62610 36.67NGVD291OUSGSSA
1976-03-16 D62611 35.57NAVD881OUSGSSA
1976-03-16 D72019142.33  1OUSGSSA
1977-03-23 D62610 33.76NGVD291OUSGSSA
1977-03-23 D62611 32.66NAVD881OUSGSSA
1977-03-23 D72019145.24  1OUSGSSA
1978-03-13 D62610 34.66NGVD291OUSGSSA
1978-03-13 D62611 33.56NAVD881OUSGSSA
1978-03-13 D72019144.34  1OUSGSSA
1979-03-13 D62610 35.51NGVD291OUSGSSA
1979-03-13 D62611 34.41NAVD881OUSGSSA
1979-03-13 D72019143.49  1OUSGSSA
1980-03-10 D62610 36.60NGVD291OUSGSSA
1980-03-10 D62611 35.50NAVD881OUSGSSA
1980-03-10 D72019142.40  1OUSGSSA
1981-03-09 D62610 35.01NGVD291OUSGSSA
1981-03-09 D62611 33.91NAVD881OUSGSSA
1981-03-09 D72019143.99  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
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.