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Groundwater levels for the Nation

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USGS 404149073373101 N 8264. 1

Nassau County, New York
Latitude  40°41'50", Longitude  73°37'32" NAD27
Land-surface elevation 54.0 feet above NGVD29
The depth of the well is 515 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.
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
1970-03-02 D62610 30.80NGVD291OUSGSSA
1970-03-02 D62611 29.66NAVD881OUSGSSA
1970-03-02 D7201923.20  1OUSGSSA
1971-03-10 D62610 28.70NGVD291OUSGSSA
1971-03-10 D62611 27.56NAVD881OUSGSSA
1971-03-10 D7201925.30  1OUSGSSA
1972-03-14 D62610 29.20NGVD291OUSGSSA
1972-03-14 D62611 28.06NAVD881OUSGSSA
1972-03-14 D7201924.80  1OUSGSSA
1973-03-21 D62610 31.90NGVD291OUSGSSA
1973-03-21 D62611 30.76NAVD881OUSGSSA
1973-03-21 D7201922.10  1OUSGSSA
1974-03-26 D62610 31.67NGVD291OUSGSSA
1974-03-26 D62611 30.53NAVD881OUSGSSA
1974-03-26 D7201922.33  1OUSGSSA
1975-03-18 D62610 30.81NGVD291OUSGSSA
1975-03-18 D62611 29.67NAVD881OUSGSSA
1975-03-18 D7201923.19  1OUSGSSA
1976-03-16 D62610 29.07NGVD291OUSGSSA
1976-03-16 D62611 27.93NAVD881OUSGSSA
1976-03-16 D7201924.93  1OUSGSSA
1977-03-21 D62610 29.82NGVD291OUSGSSA
1977-03-21 D62611 28.68NAVD881OUSGSSA
1977-03-21 D7201924.18  1OUSGSSA
1978-03-13 D62610 32.53NGVD291OUSGSSA
1978-03-13 D62611 31.39NAVD881OUSGSSA
1978-03-13 D7201921.47  1OUSGSSA
1979-03-12 D62610 33.91NGVD291OUSGSSA
1979-03-12 D62611 32.77NAVD881OUSGSSA
1979-03-12 D7201920.09  1OUSGSSA
1980-03-10 D62610 30.85NGVD291OUSGSSA
1980-03-10 D62611 29.71NAVD881OUSGSSA
1980-03-10 D7201923.15  1OUSGSSA
1981-03-11 D62610 29.91NGVD291OUSGSSA
1981-03-11 D62611 28.77NAVD881OUSGSSA
1981-03-11 D7201924.09  1OUSGSSA
1983-03-0918:10 UTCm62610 27.85NGVD291OUSGSSA
1983-03-0918:10 UTCm62611 26.71NAVD881OUSGSSA
1983-03-0918:10 UTCm7201926.15  1OUSGSSA
1984-03-1216:35 UTCm62610 31.65NGVD291OUSGSSA
1984-03-1216:35 UTCm62611 30.51NAVD881OUSGSSA
1984-03-1216:35 UTCm7201922.35  1OUSGSSA
1985-04-2311:23 UTCm62610 29.57NGVD291OUSGSSA
1985-04-2311:23 UTCm62611 28.43NAVD881OUSGSSA
1985-04-2311:23 UTCm7201924.43  1OUSGSSA
1988-05-1115:43 UTCm62610 26.96NGVD291OUSGSSA
1988-05-1115:43 UTCm62611 25.82NAVD881OUSGSSA
1988-05-1115:43 UTCm7201927.04  1OUSGSSA
1989-02-1718:30 UTCm62610 26.48NGVD291OUSGSSA
1989-02-1718:30 UTCm62611 25.34NAVD881OUSGSSA
1989-02-1718:30 UTCm7201927.52  1OUSGSSA
1990-04-0517:22 UTCm62610 28.52NGVD29POUSGSSA
1990-04-0517:22 UTCm62611 27.38NAVD88POUSGSSA
1990-04-0517:22 UTCm7201925.48  POUSGSSA
1991-03-1017:14 UTCm62610 30.65NGVD291OUSGSSA
1991-03-1017:14 UTCm62611 29.51NAVD881OUSGSSA
1991-03-1017:14 UTCm7201923.35  1OUSGSSA
1992-03-3116:40 UTCm62610 26.42NGVD291OUSGSSA
1992-03-3116:40 UTCm62611 25.28NAVD881OUSGSSA
1992-03-3116:40 UTCm7201927.58  1OUSGSSA
1995-04-2413:37 UTCm62610 24.31NGVD291OUSGSSA
1995-04-2413:37 UTCm62611 23.17NAVD881OUSGSSA
1995-04-2413:37 UTCm7201929.69  1OUSGSSA
1996-04-1114:45 UTCm62610 23.19NGVD291OUSGSSA
1996-04-1114:45 UTCm62611 22.05NAVD881OUSGSSA
1996-04-1114:45 UTCm7201930.81  1OUSGSSA
1997-04-2313:35 UTCm62610 28.95NGVD291OUSGSSA
1997-04-2313:35 UTCm62611 27.81NAVD881OUSGSSA
1997-04-2313:35 UTCm7201925.05  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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
StatusPWater level was affected by pumping at the time of the measurement
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.