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Groundwater levels for the Nation

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USGS 404652073372802 N 7513. 1

Nassau County, New York
Latitude  40°46'52", Longitude  73°37'27" NAD27
Land-surface elevation 154.0 feet above NGVD29
The depth of the well is 475 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
1964-12-30 D62610 67.62NGVD291OUSGSSA
1964-12-30 D62611 66.51NAVD881OUSGSSA
1964-12-30 D7201986.38  1OUSGSSA
1971-03-10 D62610 61.27NGVD291OUSGSSA
1971-03-10 D62611 60.16NAVD881OUSGSSA
1971-03-10 D7201992.73  1OUSGSSA
1972-03-14 D62610 60.81NGVD291OUSGSSA
1972-03-14 D62611 59.70NAVD881OUSGSSA
1972-03-14 D7201993.19  1OUSGSSA
1973-03-21 D62610 63.91NGVD291OUSGSSA
1973-03-21 D62611 62.80NAVD881OUSGSSA
1973-03-21 D7201990.09  1OUSGSSA
1974-03-20 D62610 64.17NGVD291OUSGSSA
1974-03-20 D62611 63.06NAVD881OUSGSSA
1974-03-20 D7201989.83  1OUSGSSA
1975-03-18 D62610 65.35NGVD291OUSGSSA
1975-03-18 D62611 64.24NAVD881OUSGSSA
1975-03-18 D7201988.65  1OUSGSSA
1976-03-18 D62610 69.14NGVD291OUSGSSA
1976-03-18 D62611 68.03NAVD881OUSGSSA
1976-03-18 D7201984.86  1OUSGSSA
1977-03-23 D62610 63.06NGVD291OUSGSSA
1977-03-23 D62611 61.95NAVD881OUSGSSA
1977-03-23 D7201990.94  1OUSGSSA
1978-03-15 D62610 66.55NGVD291OUSGSSA
1978-03-15 D62611 65.44NAVD881OUSGSSA
1978-03-15 D7201987.45  1OUSGSSA
1979-03-21 D62610 68.31NGVD291OUSGSSA
1979-03-21 D62611 67.20NAVD881OUSGSSA
1979-03-21 D7201985.69  1OUSGSSA
1980-03-10 D62610 67.33NGVD291OUSGSSA
1980-03-10 D62611 66.22NAVD881OUSGSSA
1980-03-10 D7201986.67  1OUSGSSA
1981-03-10 D62610 67.50NGVD291OUSGSSA
1981-03-10 D62611 66.39NAVD881OUSGSSA
1981-03-10 D7201986.50  1OUSGSSA
1982-03-0416:05 UTCm62610 64.47NGVD291OUSGSSA
1982-03-0416:05 UTCm62611 63.36NAVD881OUSGSSA
1982-03-0416:05 UTCm7201989.53  1OUSGSSA
1983-03-0714:50 UTCm62610 63.67NGVD291OUSGSSA
1983-03-0714:50 UTCm62611 62.56NAVD881OUSGSSA
1983-03-0714:50 UTCm7201990.33  1OUSGSSA
1984-03-0514:40 UTCm62610 65.41NGVD291OUSGSSA
1984-03-0514:40 UTCm62611 64.30NAVD881OUSGSSA
1984-03-0514:40 UTCm7201988.59  1OUSGSSA
1985-04-1613:12 UTCm62610 69.52NGVD291OUSGSSA
1985-04-1613:12 UTCm62611 68.41NAVD881OUSGSSA
1985-04-1613:12 UTCm7201984.48  1OUSGSSA
1988-05-1016:32 UTCm62610 62.80NGVD291OUSGSSA
1988-05-1016:32 UTCm62611 61.69NAVD881OUSGSSA
1988-05-1016:32 UTCm7201991.20  1OUSGSSA
1989-03-1514:50 UTCm62610 62.17NGVD291OUSGSSA
1989-03-1514:50 UTCm62611 61.06NAVD881OUSGSSA
1989-03-1514:50 UTCm7201991.83  1OUSGSSA
1990-04-1212:30 UTCm62610 66.61NGVD291OUSGSSA
1990-04-1212:30 UTCm62611 65.50NAVD881OUSGSSA
1990-04-1212:30 UTCm7201987.39  1OUSGSSA
1991-04-1015:45 UTCm62610 67.67NGVD29POUSGSSA
1991-04-1015:45 UTCm62611 66.56NAVD88POUSGSSA
1991-04-1015:45 UTCm7201986.33  POUSGSSA
1993-04-1415:05 UTCm62610 65.36NGVD29POUSGSSA
1993-04-1415:05 UTCm62611 64.25NAVD88POUSGSSA
1993-04-1415:05 UTCm7201988.64  POUSGSSA
1994-04-1914:55 UTCm62610 64.52NGVD291OUSGSSA
1994-04-1914:55 UTCm62611 63.41NAVD881OUSGSSA
1994-04-1914:55 UTCm7201989.48  1OUSGSSA
1995-04-2513:51 UTCm62610 62.83NGVD291OUSGSSA
1995-04-2513:51 UTCm62611 61.72NAVD881OUSGSSA
1995-04-2513:51 UTCm7201991.17  1OUSGSSA
1996-04-0913:55 UTCm62610 60.70NGVD291OUSGSSA
1996-04-0913:55 UTCm62611 59.59NAVD881OUSGSSA
1996-04-0913:55 UTCm7201993.30  1OUSGSSA
1997-04-2313:26 UTCm62610 63.57NGVD291OUSGSSA
1997-04-2313:26 UTCm62611 62.46NAVD881OUSGSSA
1997-04-2313:26 UTCm7201990.43  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
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.