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Groundwater levels for the Nation

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Agency code = usgs
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  • 404452073323902
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USGS 404452073323902 N 1197. 2

Nassau County, New York
Latitude  40°44'52", Longitude  73°32'39" NAD27
Land-surface elevation 117.0 feet above NGVD29
The depth of the well is 52 feet below land surface.
The depth of the hole is 52 feet below land surface.
Output formats
Table of data
Tab-separated 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
1956-06-19 D62610 75.76NGVD291OUSGSSA
1956-06-19 D62611 74.58NAVD881OUSGSSA
1956-06-19 D7201941.24  1OUSGSSA
1956-11-28 D62610 76.07NGVD291OUSGSSA
1956-11-28 D62611 74.89NAVD881OUSGSSA
1956-11-28 D7201940.93  1OUSGSSA
1957-04-29 D62610 74.74NGVD291OUSGSSA
1957-04-29 D62611 73.56NAVD881OUSGSSA
1957-04-29 D7201942.26  1OUSGSSA
1957-07-26 D62610 73.81NGVD291OUSGSSA
1957-07-26 D62611 72.63NAVD881OUSGSSA
1957-07-26 D7201943.19  1OUSGSSA
1958-04-24 D62610 76.73NGVD291OUSGSSA
1958-04-24 D62611 75.55NAVD881OUSGSSA
1958-04-24 D7201940.27  1OUSGSSA
1958-12-01 D62610 76.34NGVD291OUSGSSA
1958-12-01 D62611 75.16NAVD881OUSGSSA
1958-12-01 D7201940.66  1OUSGSSA
1959-05-08 D62610 75.44NGVD291OUSGSSA
1959-05-08 D62611 74.26NAVD881OUSGSSA
1959-05-08 D7201941.56  1OUSGSSA
1959-10-16 D62610 72.56NGVD291OUSGSSA
1959-10-16 D62611 71.38NAVD881OUSGSSA
1959-10-16 D7201944.44  1OUSGSSA
1960-05-25 D62610 74.59NGVD291OUSGSSA
1960-05-25 D62611 73.41NAVD881OUSGSSA
1960-05-25 D7201942.41  1OUSGSSA
1960-12-01 D62610 75.24NGVD291OUSGSSA
1960-12-01 D62611 74.06NAVD881OUSGSSA
1960-12-01 D7201941.76  1OUSGSSA
1961-07-14 D62610 75.74NGVD291OUSGSSA
1961-07-14 D62611 74.56NAVD881OUSGSSA
1961-07-14 D7201941.26  1OUSGSSA
1961-10-16 D62610 76.06NGVD291OUSGSSA
1961-10-16 D62611 74.88NAVD881OUSGSSA
1961-10-16 D7201940.94  1OUSGSSA
1961-12-21 D62610 76.04NGVD291OUSGSSA
1961-12-21 D62611 74.86NAVD881OUSGSSA
1961-12-21 D7201940.96  1OUSGSSA
1962-03-16 D62610 76.55NGVD291OUSGSSA
1962-03-16 D62611 75.37NAVD881OUSGSSA
1962-03-16 D7201940.45  1OUSGSSA
1962-07-27 D62610 75.12NGVD291OUSGSSA
1962-07-27 D62611 73.94NAVD881OUSGSSA
1962-07-27 D7201941.88  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.