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Groundwater levels for the Nation

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  • 405416073325601
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USGS 405416073325601 N 8928. 1

Nassau County, New York
Latitude  40°54'16", Longitude  73°32'56" NAD27
Land-surface elevation 10.0 feet above NGVD29
The depth of the well is 31 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
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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
1973-03-22 D62610 2.05NGVD291OUSGSSA
1973-03-22 D62611 0.97NAVD881OUSGSSA
1973-03-22 D720197.95  1OUSGSSA
1973-06-13 D62610 2.27NGVD291OUSGSSA
1973-06-13 D62611 1.19NAVD881OUSGSSA
1973-06-13 D720197.73  1OUSGSSA
1973-09-21 D62610 1.98NGVD291OUSGSSA
1973-09-21 D62611 0.90NAVD881OUSGSSA
1973-09-21 D720198.02  1OUSGSSA
1973-12-04 D62610 1.38NGVD291OUSGSSA
1973-12-04 D62611 0.30NAVD881OUSGSSA
1973-12-04 D720198.62  1OUSGSSA
1974-03-28 D62610 1.32NGVD291OUSGSSA
1974-03-28 D62611 0.24NAVD881OUSGSSA
1974-03-28 D720198.68  1OUSGSSA
1974-06-14 D62610 1.63NGVD291OUSGSSA
1974-06-14 D62611 0.55NAVD881OUSGSSA
1974-06-14 D720198.37  1OUSGSSA
1974-09-18 D62610 2.20NGVD291OUSGSSA
1974-09-18 D62611 1.12NAVD881OUSGSSA
1974-09-18 D720197.80  1OUSGSSA
1974-12-17 D62610 3.40NGVD291OUSGSSA
1974-12-17 D62611 2.32NAVD881OUSGSSA
1974-12-17 D720196.60  1OUSGSSA
1975-03-21 D62610 1.30NGVD291OUSGSSA
1975-03-21 D62611 0.22NAVD881OUSGSSA
1975-03-21 D720198.70  1OUSGSSA
1975-06-11 D62610 1.05NGVD291OUSGSSA
1975-06-11 D62611 -0.03NAVD881OUSGSSA
1975-06-11 D720198.95  1OUSGSSA
1975-09-08 D62610 0.95NGVD291OUSGSSA
1975-09-08 D62611 -0.13NAVD881OUSGSSA
1975-09-08 D720199.05  1OUSGSSA
1975-12-17 D62610 2.33NGVD291OUSGSSA
1975-12-17 D62611 1.25NAVD881OUSGSSA
1975-12-17 D720197.67  1OUSGSSA
1976-03-11 D62610 2.46NGVD291OUSGSSA
1976-03-11 D62611 1.38NAVD881OUSGSSA
1976-03-11 D720197.54  1OUSGSSA
1976-06-10 D62610 2.12NGVD291OUSGSSA
1976-06-10 D62611 1.04NAVD881OUSGSSA
1976-06-10 D720197.88  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.