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Groundwater levels for the Nation

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Agency code = usgs
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  • 403955073361501
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USGS 403955073361501 N 2613. 1

Nassau County, New York
Latitude  40°39'51", Longitude  73°36'15" NAD27
Land-surface elevation 20.0 feet above NGVD29
The depth of the well is 505 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.
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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
1964-08-05 D62610 11.20NGVD291OUSGSSA
1964-08-05 D62611 10.06NAVD881OUSGSSA
1964-08-05 D720198.80  1OUSGSSA
1964-12-10 D62610 12.70NGVD291OUSGSSA
1964-12-10 D62611 11.56NAVD881OUSGSSA
1964-12-10 D720197.30  1OUSGSSA
1970-03-03 D62610 13.17NGVD291OUSGSSA
1970-03-03 D62611 12.03NAVD881OUSGSSA
1970-03-03 D720196.83  1OUSGSSA
1971-03-09 D62610 11.36NGVD291OUSGSSA
1971-03-09 D62611 10.22NAVD881OUSGSSA
1971-03-09 D720198.64  1OUSGSSA
1972-03-14 D62610 11.05NGVD291OUSGSSA
1972-03-14 D62611 9.91NAVD881OUSGSSA
1972-03-14 D720198.95  1OUSGSSA
1973-03-21 D62610 12.85NGVD291OUSGSSA
1973-03-21 D62611 11.71NAVD881OUSGSSA
1973-03-21 D720197.15  1OUSGSSA
1974-03-26 D62610 12.43NGVD291OUSGSSA
1974-03-26 D62611 11.29NAVD881OUSGSSA
1974-03-26 D720197.57  1OUSGSSA
1975-03-18 D62610 12.51NGVD291OUSGSSA
1975-03-18 D62611 11.37NAVD881OUSGSSA
1975-03-18 D720197.49  1OUSGSSA
1976-03-18 D62610 13.16NGVD291OUSGSSA
1976-03-18 D62611 12.02NAVD881OUSGSSA
1976-03-18 D720196.84  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.