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Groundwater levels for the Nation

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Agency code = usgs
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  • 404826073450401
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USGS 404826073450401 N 2214. 2

Nassau County, New York
Latitude  40°48'26", Longitude  73°45'04" NAD27
Land-surface elevation 45.0 feet above NGVD29
The depth of the well is 292 feet below land surface.
The depth of the hole is 343 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.
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
1976-01-2018:24 UTCm62610 6.81NGVD291OUSGSSA
1976-01-2018:24 UTCm62611 5.73NAVD881OUSGSSA
1976-01-2018:24 UTCm7201938.19  1OUSGSSA
1977-01-2414:15 UTCm62610 2.28NGVD291OUSGSSA
1977-01-2414:15 UTCm62611 1.20NAVD881OUSGSSA
1977-01-2414:15 UTCm7201942.72  1OUSGSSA
1978-01-2416:00 UTCm62610 -2.25NGVD291OUSGSSA
1978-01-2416:00 UTCm62611 -3.33NAVD881OUSGSSA
1978-01-2416:00 UTCm7201947.25  1OUSGSSA
1979-01-1818:25 UTCm62610 -6.08NGVD291OUSGSSA
1979-01-1818:25 UTCm62611 -7.16NAVD881OUSGSSA
1979-01-1818:25 UTCm7201951.08  1OUSGSSA
1980-01-2218:22 UTCm62610 -7.30NGVD291OUSGSSA
1980-01-2218:22 UTCm62611 -8.38NAVD881OUSGSSA
1980-01-2218:22 UTCm7201952.30  1OUSGSSA
1981-01-1522:36 UTCm62610 -0.73NGVD291OUSGSSA
1981-01-1522:36 UTCm62611 -1.81NAVD881OUSGSSA
1981-01-1522:36 UTCm7201945.73  1OUSGSSA
1982-01-1209:45 UTCm62610 4.23NGVD291OUSGSSA
1982-01-1209:45 UTCm62611 3.15NAVD881OUSGSSA
1982-01-1209:45 UTCm7201940.77  1OUSGSSA
1982-01-1509:45 UTCm62610 4.03NGVD291OUSGSSA
1982-01-1509:45 UTCm62611 2.95NAVD881OUSGSSA
1982-01-1509:45 UTCm7201940.97  1OUSGSSA
1982-01-1509:55 UTCm62610 4.03NGVD291OUSGSSA
1982-01-1509:55 UTCm62611 2.95NAVD881OUSGSSA
1982-01-1509:55 UTCm7201940.97  1OUSGSSA
1983-01-0610:27 UTCm62610 -19.10NGVD29POUSGSSA
1983-01-0610:27 UTCm62611 -20.18NAVD88POUSGSSA
1983-01-0610:27 UTCm7201964.10  POUSGSSA
1983-01-0610:30 UTCm62610 -19.06NGVD29POUSGSSA
1983-01-0610:30 UTCm62611 -20.14NAVD88POUSGSSA
1983-01-0610:30 UTCm7201964.06  POUSGSSA
1984-01-1010:30 UTCm62610 5.14NGVD291OUSGSSA
1984-01-1010:30 UTCm62611 4.06NAVD881OUSGSSA
1984-01-1010:30 UTCm7201939.86  1OUSGSSA
1984-01-1010:35 UTCm62610 5.15NGVD291OUSGSSA
1984-01-1010:35 UTCm62611 4.07NAVD881OUSGSSA
1984-01-1010:35 UTCm7201939.85  1OUSGSSA
1985-01-1411:48 UTCm62610 5.58NGVD291OUSGSSA
1985-01-1411:48 UTCm62611 4.50NAVD881OUSGSSA
1985-01-1411:48 UTCm7201939.42  1OUSGSSA
1986-02-0412:10 UTCm62610 4.91NGVD294OUSGSSA
1986-02-0412:10 UTCm62611 3.83NAVD884OUSGSSA
1986-02-0412:10 UTCm7201940.09  4OUSGSSA
1988-12-2819:25 UTCm62610 3.85NGVD294OUSGSSA
1988-12-2819:25 UTCm62611 2.77NAVD884OUSGSSA
1988-12-2819:25 UTCm7201941.15  4OUSGSSA
1992-04-0215:25 UTCm62610 2.29NGVD294OUSGSSA
1992-04-0215:25 UTCm62611 1.21NAVD884OUSGSSA
1992-04-0215:25 UTCm7201942.71  4OUSGSSA

Explanation
SectionCodeDescription
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
Status4Groundwater level affected by tide
StatusPPumping
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.