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Groundwater levels for the Nation

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USGS 404735073424201 N 24. 2

Nassau County, New York
Latitude  40°47'35", Longitude  73°42'41" NAD27
Land-surface elevation 11.8 feet above NGVD29
The depth of the well is 428 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 Lloyd Aquifer (211LLYD) 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
1945-12-10 D62610 3.68NGVD291OUSGSSA
1945-12-10 D62611 2.59NAVD881OUSGSSA
1945-12-10 D720198.12  1OUSGSSA
1946-05-29 D62610 6.99NGVD291OUSGSSA
1946-05-29 D62611 5.90NAVD881OUSGSSA
1946-05-29 D720194.81  1OUSGSSA
1948-04-06 D62610 6.36NGVD291OUSGSSA
1948-04-06 D62611 5.27NAVD881OUSGSSA
1948-04-06 D720195.44  1OUSGSSA
1949-04-07 D62610 1.94NGVD291OUSGSSA
1949-04-07 D62611 0.85NAVD881OUSGSSA
1949-04-07 D720199.86  1OUSGSSA
1950-02-14 D62610 4.70NGVD291OUSGSSA
1950-02-14 D62611 3.61NAVD881OUSGSSA
1950-02-14 D720197.10  1OUSGSSA
1952-03-17 D62610 -0.03NGVD291OUSGSSA
1952-03-17 D62611 -1.12NAVD881OUSGSSA
1952-03-17 D7201911.83  1OUSGSSA
1952-03-18 D62610 0.18NGVD291OUSGSSA
1952-03-18 D62611 -0.91NAVD881OUSGSSA
1952-03-18 D7201911.62  1OUSGSSA
1952-03-19 D62610 -0.61NGVD291OUSGSSA
1952-03-19 D62611 -1.70NAVD881OUSGSSA
1952-03-19 D7201912.41  1OUSGSSA
1953-05-01 D62610 -1.52NGVD291OUSGSSA
1953-05-01 D62611 -2.61NAVD881OUSGSSA
1953-05-01 D7201913.32  1OUSGSSA
1953-12-17 D62610 5.51NGVD291OUSGSSA
1953-12-17 D62611 4.42NAVD881OUSGSSA
1953-12-17 D720196.29  1OUSGSSA
1954-02-23 D62610 -3.44NGVD291OUSGSSA
1954-02-23 D62611 -4.53NAVD881OUSGSSA
1954-02-23 D7201915.24  1OUSGSSA
1954-03-22 D62610 -3.92NGVD291OUSGSSA
1954-03-22 D62611 -5.01NAVD881OUSGSSA
1954-03-22 D7201915.72  1OUSGSSA
1954-04-24 D62610 -2.25NGVD291OUSGSSA
1954-04-24 D62611 -3.34NAVD881OUSGSSA
1954-04-24 D7201914.05  1OUSGSSA
1954-05-24 D62610 3.81NGVD291OUSGSSA
1954-05-24 D62611 2.72NAVD881OUSGSSA
1954-05-24 D720197.99  1OUSGSSA
1954-09-23 D62610 5.28NGVD291OUSGSSA
1954-09-23 D62611 4.19NAVD881OUSGSSA
1954-09-23 D720196.52  1OUSGSSA
1954-09-24 D62610 5.11NGVD291OUSGSSA
1954-09-24 D62611 4.02NAVD881OUSGSSA
1954-09-24 D720196.69  1OUSGSSA
1954-09-27 D62610 5.44NGVD291OUSGSSA
1954-09-27 D62611 4.35NAVD881OUSGSSA
1954-09-27 D720196.36  1OUSGSSA
1954-09-28 D62610 5.26NGVD291OUSGSSA
1954-09-28 D62611 4.17NAVD881OUSGSSA
1954-09-28 D720196.54  1OUSGSSA
1954-09-29 D62610 5.20NGVD291OUSGSSA
1954-09-29 D62611 4.11NAVD881OUSGSSA
1954-09-29 D720196.60  1OUSGSSA
1954-10-01 D62610 5.28NGVD291OUSGSSA
1954-10-01 D62611 4.19NAVD881OUSGSSA
1954-10-01 D720196.52  1OUSGSSA
1954-12-06 D62610 4.30NGVD291OUSGSSA
1954-12-06 D62611 3.21NAVD881OUSGSSA
1954-12-06 D720197.50  1OUSGSSA
1955-01-25 D62610 9.92NGVD291OUSGSSA
1955-01-25 D62611 8.83NAVD881OUSGSSA
1955-01-25 D720191.88  1OUSGSSA
1955-02-07 D62610 11.25NGVD291OUSGSSA
1955-02-07 D62611 10.16NAVD881OUSGSSA
1955-02-07 D720190.55  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.