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Groundwater levels for the Nation

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USGS 404611073401005 N 7651. 2

Nassau County, New York
Latitude  40°46'11", Longitude  73°40'10" NAD27
Land-surface elevation 162.0 feet above NGVD29
The depth of the well is 408 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
1970-03-02 D62610 39.09NGVD291OUSGSSA
1970-03-02 D62611 37.98NAVD881OUSGSSA
1970-03-02 D72019122.91  1OUSGSSA
1971-03-10 D62610 38.60NGVD291OUSGSSA
1971-03-10 D62611 37.49NAVD881OUSGSSA
1971-03-10 D72019123.40  1OUSGSSA
1972-03-13 D62610 37.50NGVD291OUSGSSA
1972-03-13 D62611 36.39NAVD881OUSGSSA
1972-03-13 D72019124.50  1OUSGSSA
1973-03-20 D62610 26.69NGVD291OUSGSSA
1973-03-20 D62611 25.58NAVD881OUSGSSA
1973-03-20 D72019135.31  1OUSGSSA
1974-03-25 D62610 39.20NGVD291OUSGSSA
1974-03-25 D62611 38.09NAVD881OUSGSSA
1974-03-25 D72019122.80  1OUSGSSA
1975-03-17 D62610 39.97NGVD291OUSGSSA
1975-03-17 D62611 38.86NAVD881OUSGSSA
1975-03-17 D72019122.03  1OUSGSSA
1977-03-22 D62610 35.48NGVD291OUSGSSA
1977-03-22 D62611 34.37NAVD881OUSGSSA
1977-03-22 D72019126.52  1OUSGSSA
1977-03-23 D62610 41.11NGVD291OUSGSSA
1977-03-23 D62611 40.00NAVD881OUSGSSA
1977-03-23 D72019120.89  1OUSGSSA
1978-03-13 D62610 36.60NGVD291OUSGSSA
1978-03-13 D62611 35.49NAVD881OUSGSSA
1978-03-13 D72019125.40  1OUSGSSA
1979-03-13 D62610 35.46NGVD291OUSGSSA
1979-03-13 D62611 34.35NAVD881OUSGSSA
1979-03-13 D72019126.54  1OUSGSSA
1990-04-0614:10 UTCm62610 46.26NGVD291OUSGSSA
1990-04-0614:10 UTCm62611 45.15NAVD881OUSGSSA
1990-04-0614:10 UTCm72019115.74  1OUSGSSA
1991-04-1115:30 UTCm62610 47.18NGVD291OUSGSSA
1991-04-1115:30 UTCm62611 46.07NAVD881OUSGSSA
1991-04-1115:30 UTCm72019114.82  1OUSGSSA
1992-03-2019:05 UTCm62610 46.49NGVD291OUSGSSA
1992-03-2019:05 UTCm62611 45.38NAVD881OUSGSSA
1992-03-2019:05 UTCm72019115.51  1OUSGSSA
1993-04-0817:07 UTCm62610 44.78NGVD291OUSGSSA
1993-04-0817:07 UTCm62611 43.67NAVD881OUSGSSA
1993-04-0817:07 UTCm72019117.22  1OUSGSSA
1994-04-2814:00 UTCm62610 43.80NGVD291OUSGSSA
1994-04-2814:00 UTCm62611 42.69NAVD881OUSGSSA
1994-04-2814:00 UTCm72019118.20  1OUSGSSA
1995-04-1314:33 UTCm62610 44.14NGVD291OUSGSSA
1995-04-1314:33 UTCm62611 43.03NAVD881OUSGSSA
1995-04-1314:33 UTCm72019117.86  1OUSGSSA
1995-04-2714:00 UTCm62610 43.80NGVD291OUSGSSA
1995-04-2714:00 UTCm62611 42.69NAVD881OUSGSSA
1995-04-2714:00 UTCm72019118.20  1OUSGSSA
1997-04-2314:30 UTCm62610 43.55NGVD291OUSGSSA
1997-04-2314:30 UTCm62611 42.44NAVD881OUSGSSA
1997-04-2314:30 UTCm72019118.45  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.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.