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Groundwater levels for the Nation

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USGS 404631073421501 N 1618. 2

Nassau County, New York
Latitude  40°46'31", Longitude  73°42'15" NAD27
Land-surface elevation 82.5 feet above NGVD29
The depth of the well is 556 feet below land surface.
The depth of the hole is 584 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.
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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
1946-01-17 D62610 12.77NGVD291OUSGSSA
1946-01-17 D62611 11.68NAVD881OUSGSSA
1946-01-17 D7201969.73  1OUSGSSA
1946-05-28 D62610 12.61NGVD291OUSGSSA
1946-05-28 D62611 11.52NAVD881OUSGSSA
1946-05-28 D7201969.89  1OUSGSSA
1946-05-29 D62610 12.55NGVD291OUSGSSA
1946-05-29 D62611 11.46NAVD881OUSGSSA
1946-05-29 D7201969.95  1OUSGSSA
1947-03-12 D62610 12.82NGVD291OUSGSSA
1947-03-12 D62611 11.73NAVD881OUSGSSA
1947-03-12 D7201969.68  1OUSGSSA
1948-05-10 D62610 2.00NGVD291OUSGSSA
1948-05-10 D62611 0.91NAVD881OUSGSSA
1948-05-10 D7201980.50  1OUSGSSA
1948-06-15 D62610 2.46NGVD291OUSGSSA
1948-06-15 D62611 1.37NAVD881OUSGSSA
1948-06-15 D7201980.04  1OUSGSSA
1949-04-12 D62610 2.15NGVD291OUSGSSA
1949-04-12 D62611 1.06NAVD881OUSGSSA
1949-04-12 D7201980.35  1OUSGSSA
1952-03-17 D62610 -0.60NGVD291OUSGSSA
1952-03-17 D62611 -1.69NAVD881OUSGSSA
1952-03-17 D7201983.10  1OUSGSSA
1954-09-27 D62610 2.56NGVD291OUSGSSA
1954-09-27 D62611 1.47NAVD881OUSGSSA
1954-09-27 D7201979.94  1OUSGSSA
1954-11-03 D62610 4.43NGVD291OUSGSSA
1954-11-03 D62611 3.34NAVD881OUSGSSA
1954-11-03 D7201978.07  1OUSGSSA
1954-12-06 D62610 4.00NGVD291OUSGSSA
1954-12-06 D62611 2.91NAVD881OUSGSSA
1954-12-06 D7201978.50  1OUSGSSA
1954-12-28 D62610 7.58NGVD291OUSGSSA
1954-12-28 D62611 6.49NAVD881OUSGSSA
1954-12-28 D7201974.92  1OUSGSSA
1955-01-31 D62610 8.64NGVD291OUSGSSA
1955-01-31 D62611 7.55NAVD881OUSGSSA
1955-01-31 D7201973.86  1OUSGSSA
1955-02-28 D62610 6.00NGVD291OUSGSSA
1955-02-28 D62611 4.91NAVD881OUSGSSA
1955-02-28 D7201976.50  1OUSGSSA
1955-03-30 D62610 13.06NGVD291OUSGSSA
1955-03-30 D62611 11.97NAVD881OUSGSSA
1955-03-30 D7201969.44  1OUSGSSA
1955-04-22 D62610 10.91NGVD291OUSGSSA
1955-04-22 D62611 9.82NAVD881OUSGSSA
1955-04-22 D7201971.59  1OUSGSSA
1955-05-31 D62610 -4.50NGVD291OUSGSSA
1955-05-31 D62611 -5.59NAVD881OUSGSSA
1955-05-31 D7201987.00  1OUSGSSA
1955-10-03 D62610 -1.73NGVD291OUSGSSA
1955-10-03 D62611 -2.82NAVD881OUSGSSA
1955-10-03 D7201984.23  1OUSGSSA
1955-11-01 D62610 3.50NGVD291OUSGSSA
1955-11-01 D62611 2.41NAVD881OUSGSSA
1955-11-01 D7201979.00  1OUSGSSA
1956-02-27 D62610 6.01NGVD291OUSGSSA
1956-02-27 D62611 4.92NAVD881OUSGSSA
1956-02-27 D7201976.49  1OUSGSSA
1956-05-01 D62610 2.00NGVD291OUSGSSA
1956-05-01 D62611 0.91NAVD881OUSGSSA
1956-05-01 D7201980.50  1OUSGSSA
1956-06-06 D62610 5.87NGVD291OUSGSSA
1956-06-06 D62611 4.78NAVD881OUSGSSA
1956-06-06 D7201976.63  1OUSGSSA
1956-07-16 D62610 5.59NGVD291OUSGSSA
1956-07-16 D62611 4.50NAVD881OUSGSSA
1956-07-16 D7201976.91  1OUSGSSA
1956-08-07 D62610 -4.03NGVD291OUSGSSA
1956-08-07 D62611 -5.12NAVD881OUSGSSA
1956-08-07 D7201986.53  1OUSGSSA
1956-10-02 D62610 -0.18NGVD291OUSGSSA
1956-10-02 D62611 -1.27NAVD881OUSGSSA
1956-10-02 D7201982.68  1OUSGSSA
1956-11-05 D62610 7.41NGVD291OUSGSSA
1956-11-05 D62611 6.32NAVD881OUSGSSA
1956-11-05 D7201975.09  1OUSGSSA
1957-03-28 D62610 4.90NGVD291OUSGSSA
1957-03-28 D62611 3.81NAVD881OUSGSSA
1957-03-28 D7201977.60  1OUSGSSA
1957-04-30 D62610 5.60NGVD291OUSGSSA
1957-04-30 D62611 4.51NAVD881OUSGSSA
1957-04-30 D7201976.90  1OUSGSSA
1961-03-14 D62610 6.43NGVD291OUSGSSA
1961-03-14 D62611 5.34NAVD881OUSGSSA
1961-03-14 D7201976.07  1OUSGSSA
1964-12-08 D62610 -10.94NGVD291OUSGSSA
1964-12-08 D62611 -12.03NAVD881OUSGSSA
1964-12-08 D7201993.44  1OUSGSSA
1964-12-29 D62610 -6.38NGVD291OUSGSSA
1964-12-29 D62611 -7.47NAVD881OUSGSSA
1964-12-29 D7201988.88  1OUSGSSA
1969-10-14 D62610 -3.23NGVD291OUSGSSA
1969-10-14 D62611 -4.32NAVD881OUSGSSA
1969-10-14 D7201985.73  1OUSGSSA
1970-12-23 D62610 -2.36NGVD291OUSGSSA
1970-12-23 D62611 -3.45NAVD881OUSGSSA
1970-12-23 D7201984.86  1OUSGSSA
1972-01-04 D62610 -3.15NGVD291OUSGSSA
1972-01-04 D62611 -4.24NAVD881OUSGSSA
1972-01-04 D7201985.65  1OUSGSSA
1974-01-28 D62610 -2.16NGVD291OUSGSSA
1974-01-28 D62611 -3.25NAVD881OUSGSSA
1974-01-28 D7201984.66  1OUSGSSA
1975-01-19 D62610 4.17NGVD291OUSGSSA
1975-01-19 D62611 3.08NAVD881OUSGSSA
1975-01-19 D7201978.33  1OUSGSSA
1975-02-28 D62610 5.18NGVD291OUSGSSA
1975-02-28 D62611 4.09NAVD881OUSGSSA
1975-02-28 D7201977.32  1OUSGSSA
1976-01-2114:00 UTCm62610 5.34NGVD291OUSGSSA
1976-01-2114:00 UTCm62611 4.25NAVD881OUSGSSA
1976-01-2114:00 UTCm7201977.16  1OUSGSSA
1977-01-27 D62610 1.63NGVD291OUSGSSA
1977-01-27 D62611 0.54NAVD881OUSGSSA
1977-01-27 D7201980.87  1OUSGSSA
1978-01-0121:55 UTCm62610 1.80NGVD291OUSGSSA
1978-01-0121:55 UTCm62611 0.71NAVD881OUSGSSA
1978-01-0121:55 UTCm7201980.70  1OUSGSSA
1978-01-25 D62610 -4.87NGVD291OUSGSSA
1978-01-25 D62611 -5.96NAVD881OUSGSSA
1978-01-25 D7201987.37  1OUSGSSA
1979-01-1717:45 UTCm62610 1.09NGVD291OUSGSSA
1979-01-1717:45 UTCm62611 -0.00NAVD881OUSGSSA
1979-01-1717:45 UTCm7201981.41  1OUSGSSA
1980-01-2813:55 UTCm62610 -0.63NGVD291OUSGSSA
1980-01-2813:55 UTCm62611 -1.72NAVD881OUSGSSA
1980-01-2813:55 UTCm7201983.13  1OUSGSSA
1981-01-1615:00 UTCm62610 4.83NGVD291OUSGSSA
1981-01-1615:00 UTCm62611 3.74NAVD881OUSGSSA
1981-01-1615:00 UTCm7201977.67  1OUSGSSA
1982-01-0714:10 UTCm62610 -0.61NGVD291OUSGSSA
1982-01-0714:10 UTCm62611 -1.70NAVD881OUSGSSA
1982-01-0714:10 UTCm7201983.11  1OUSGSSA
1982-01-0714:19 UTCm62610 -0.49NGVD291OUSGSSA
1982-01-0714:19 UTCm62611 -1.58NAVD881OUSGSSA
1982-01-0714:19 UTCm7201982.99  1OUSGSSA
1984-01-1715:10 UTCm62610 -1.06NGVD291OUSGSSA
1984-01-1715:10 UTCm62611 -2.15NAVD881OUSGSSA
1984-01-1715:10 UTCm7201983.56  1OUSGSSA
1985-01-0313:56 UTCm62610 7.86NGVD291OUSGSSA
1985-01-0313:56 UTCm62611 6.77NAVD881OUSGSSA
1985-01-0313:56 UTCm7201974.64  1OUSGSSA
1986-02-1319:25 UTCm62610 1.01NGVD291OUSGSSA
1986-02-1319:25 UTCm62611 -0.08NAVD881OUSGSSA
1986-02-1319:25 UTCm7201981.49  1OUSGSSA
1987-01-1516:00 UTCm62610 0.91NGVD291OUSGSSA
1987-01-1516:00 UTCm62611 -0.18NAVD881OUSGSSA
1987-01-1516:00 UTCm7201981.59  1OUSGSSA
1988-12-1915:20 UTCm62610 -0.24NGVD291OUSGSSA
1988-12-1915:20 UTCm62611 -1.33NAVD881OUSGSSA
1988-12-1915:20 UTCm7201982.74  1OUSGSSA
1990-04-2614:00 UTCm62610 5.39NGVD291OUSGSSA
1990-04-2614:00 UTCm62611 4.30NAVD881OUSGSSA
1990-04-2614:00 UTCm7201977.11  1OUSGSSA
1991-04-1115:10 UTCm62610 4.75NGVD291OUSGSSA
1991-04-1115:10 UTCm62611 3.66NAVD881OUSGSSA
1991-04-1115:10 UTCm7201977.75  1OUSGSSA
1995-04-1314:03 UTCm62610 7.32NGVD291OUSGSSA
1995-04-1314:03 UTCm62611 6.23NAVD881OUSGSSA
1995-04-1314:03 UTCm7201975.18  1OUSGSSA
1996-04-0315:50 UTCm62610 0.71NGVD291OUSGSSA
1996-04-0315:50 UTCm62611 -0.38NAVD881OUSGSSA
1996-04-0315:50 UTCm7201981.79  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
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.