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Groundwater levels for the Nation

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USGS 405129073361501 N 5762. 2

Nassau County, New York
Latitude  40°51'29", Longitude  73°36'15" NAD27
Land-surface elevation 145.0 feet above NGVD29
The depth of the well is 283 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
1956-05-17 D62610 64.20NGVD291OUSGSSA
1956-05-17 D62611 63.13NAVD881OUSGSSA
1956-05-17 D7201980.80  1OUSGSSA
1960-05-25 D62610 61.95NGVD291OUSGSSA
1960-05-25 D62611 60.88NAVD881OUSGSSA
1960-05-25 D7201983.05  1OUSGSSA
1961-02-27 D62610 62.94NGVD291OUSGSSA
1961-02-27 D62611 61.87NAVD881OUSGSSA
1961-02-27 D7201982.06  1OUSGSSA
1964-12-16 D62610 57.98NGVD291OUSGSSA
1964-12-16 D62611 56.91NAVD881OUSGSSA
1964-12-16 D7201987.02  1OUSGSSA
1971-03-11 D62610 55.33NGVD291OUSGSSA
1971-03-11 D62611 54.26NAVD881OUSGSSA
1971-03-11 D7201989.67  1OUSGSSA
1975-03-21 D62610 61.04NGVD291OUSGSSA
1975-03-21 D62611 59.97NAVD881OUSGSSA
1975-03-21 D7201983.96  1OUSGSSA
1976-03-17 D62610 63.99NGVD291OUSGSSA
1976-03-17 D62611 62.92NAVD881OUSGSSA
1976-03-17 D7201981.01  1OUSGSSA
1979-03-14 D62610 55.54NGVD291OUSGSSA
1979-03-14 D62611 54.47NAVD881OUSGSSA
1979-03-14 D7201989.46  1OUSGSSA
1980-03-0716:10 UTCm62610 51.30NGVD291OUSGSSA
1980-03-0716:10 UTCm62611 50.23NAVD881OUSGSSA
1980-03-0716:10 UTCm7201993.70  1OUSGSSA
1981-03-0415:15 UTCm62610 54.81NGVD291OUSGSSA
1981-03-0415:15 UTCm62611 53.74NAVD881OUSGSSA
1981-03-0415:15 UTCm7201990.19  1OUSGSSA
1982-03-0314:50 UTCm62610 49.85NGVD291OUSGSSA
1982-03-0314:50 UTCm62611 48.78NAVD881OUSGSSA
1982-03-0314:50 UTCm7201995.15  1OUSGSSA
1983-03-0314:50 UTCm62610 53.35NGVD291OUSGSSA
1983-03-0314:50 UTCm62611 52.28NAVD881OUSGSSA
1983-03-0314:50 UTCm7201991.65  1OUSGSSA
1984-03-0214:50 UTCm62610 53.56NGVD291OUSGSSA
1984-03-0214:50 UTCm62611 52.49NAVD881OUSGSSA
1984-03-0214:50 UTCm7201991.44  1OUSGSSA
1985-04-1716:32 UTCm62610 62.13NGVD291OUSGSSA
1985-04-1716:32 UTCm62611 61.06NAVD881OUSGSSA
1985-04-1716:32 UTCm7201982.87  1OUSGSSA
1985-04-1716:36 UTCm62610 62.12NGVD291OUSGSSA
1985-04-1716:36 UTCm62611 61.05NAVD881OUSGSSA
1985-04-1716:36 UTCm7201982.88  1OUSGSSA
1992-03-3013:30 UTCm62610 57.80NGVD294OUSGSSA
1992-03-3013:30 UTCm62611 56.73NAVD884OUSGSSA
1992-03-3013:30 UTCm7201987.20  4OUSGSSA
1994-05-2718:10 UTCm62610 56.74NGVD294OUSGSSA
1994-05-2718:10 UTCm62611 55.67NAVD884OUSGSSA
1994-05-2718:10 UTCm7201988.26  4OUSGSSA
1995-05-0318:02 UTCm62610 55.35NGVD294OUSGSSA
1995-05-0318:02 UTCm62611 54.28NAVD884OUSGSSA
1995-05-0318:02 UTCm7201989.65  4OUSGSSA

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
Status4GWTideAffected
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.