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Groundwater levels for the Nation

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  • 404948073412601
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USGS 404948073412601 N 1581. 1

Nassau County, New York
Latitude  40°49'48", Longitude  73°41'26" NAD27
Land-surface elevation 108.0 feet above NGVD29
The depth of the well is 398 feet below land surface.
The depth of the hole is 398 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
1946-01-25 D62610 -0.90NGVD291OUSGSSA
1946-01-25 D62611 -1.99NAVD881OUSGSSA
1946-01-25 D72019108.90  1OUSGSSA
1947-03-13 D62610 -1.33NGVD291OUSGSSA
1947-03-13 D62611 -2.42NAVD881OUSGSSA
1947-03-13 D72019109.33  1OUSGSSA
1948-04-13 D62610 1.35NGVD291OUSGSSA
1948-04-13 D62611 0.26NAVD881OUSGSSA
1948-04-13 D72019106.65  1OUSGSSA
1949-04-12 D62610 2.38NGVD291OUSGSSA
1949-04-12 D62611 1.29NAVD881OUSGSSA
1949-04-12 D72019105.62  1OUSGSSA
1950-02-15 D62610 0.06NGVD291OUSGSSA
1950-02-15 D62611 -1.03NAVD881OUSGSSA
1950-02-15 D72019107.94  1OUSGSSA
1952-03-21 D62610 2.91NGVD291OUSGSSA
1952-03-21 D62611 1.82NAVD881OUSGSSA
1952-03-21 D72019105.09  1OUSGSSA
1953-03-03 D62610 -3.10NGVD291OUSGSSA
1953-03-03 D62611 -4.19NAVD881OUSGSSA
1953-03-03 D72019111.10  1OUSGSSA
1953-04-02 D62610 -5.40NGVD291OUSGSSA
1953-04-02 D62611 -6.49NAVD881OUSGSSA
1953-04-02 D72019113.40  1OUSGSSA
1953-04-30 D62610 -4.17NGVD291OUSGSSA
1953-04-30 D62611 -5.26NAVD881OUSGSSA
1953-04-30 D72019112.17  1OUSGSSA
1953-06-01 D62610 -5.85NGVD291OUSGSSA
1953-06-01 D62611 -6.94NAVD881OUSGSSA
1953-06-01 D72019113.85  1OUSGSSA
1953-10-02 D62610 -8.68NGVD291OUSGSSA
1953-10-02 D62611 -9.77NAVD881OUSGSSA
1953-10-02 D72019116.68  1OUSGSSA
1953-11-30 D62610 -1.48NGVD291OUSGSSA
1953-11-30 D62611 -2.57NAVD881OUSGSSA
1953-11-30 D72019109.48  1OUSGSSA
1953-12-17 D62610 -3.15NGVD291OUSGSSA
1953-12-17 D62611 -4.24NAVD881OUSGSSA
1953-12-17 D72019111.15  1OUSGSSA
1954-01-25 D62610 -3.21NGVD291OUSGSSA
1954-01-25 D62611 -4.30NAVD881OUSGSSA
1954-01-25 D72019111.21  1OUSGSSA
1954-02-23 D62610 -1.92NGVD291OUSGSSA
1954-02-23 D62611 -3.01NAVD881OUSGSSA
1954-02-23 D72019109.92  1OUSGSSA
1954-03-23 D62610 -0.33NGVD291OUSGSSA
1954-03-23 D62611 -1.42NAVD881OUSGSSA
1954-03-23 D72019108.33  1OUSGSSA
1954-04-26 D62610 -1.51NGVD291OUSGSSA
1954-04-26 D62611 -2.60NAVD881OUSGSSA
1954-04-26 D72019109.51  1OUSGSSA
1954-05-24 D62610 -2.73NGVD291OUSGSSA
1954-05-24 D62611 -3.82NAVD881OUSGSSA
1954-05-24 D72019110.73  1OUSGSSA
1954-06-28 D62610 -18.21NGVD291OUSGSSA
1954-06-28 D62611 -19.30NAVD881OUSGSSA
1954-06-28 D72019126.21  1OUSGSSA
1954-10-20 D62610 -2.90NGVD291OUSGSSA
1954-10-20 D62611 -3.99NAVD881OUSGSSA
1954-10-20 D72019110.90  1OUSGSSA
1954-12-06 D62610 -9.05NGVD291OUSGSSA
1954-12-06 D62611 -10.14NAVD881OUSGSSA
1954-12-06 D72019117.05  1OUSGSSA
1955-01-03 D62610 -0.88NGVD291OUSGSSA
1955-01-03 D62611 -1.97NAVD881OUSGSSA
1955-01-03 D72019108.88  1OUSGSSA
1955-01-27 D62610 2.30NGVD291OUSGSSA
1955-01-27 D62611 1.21NAVD881OUSGSSA
1955-01-27 D72019105.70  1OUSGSSA
1955-03-01 D62610 0.20NGVD291OUSGSSA
1955-03-01 D62611 -0.89NAVD881OUSGSSA
1955-03-01 D72019107.80  1OUSGSSA
1955-03-25 D62610 1.63NGVD291OUSGSSA
1955-03-25 D62611 0.54NAVD881OUSGSSA
1955-03-25 D72019106.37  1OUSGSSA
1955-05-26 D62610 -9.43NGVD291OUSGSSA
1955-05-26 D62611 -10.52NAVD881OUSGSSA
1955-05-26 D72019117.43  1OUSGSSA
1955-06-24 D62610 -13.85NGVD291OUSGSSA
1955-06-24 D62611 -14.94NAVD881OUSGSSA
1955-06-24 D72019121.85  1OUSGSSA
1955-06-27 D62610 -5.43NGVD291OUSGSSA
1955-06-27 D62611 -6.52NAVD881OUSGSSA
1955-06-27 D72019113.43  1OUSGSSA
1955-07-12 D62610 -10.37NGVD291OUSGSSA
1955-07-12 D62611 -11.46NAVD881OUSGSSA
1955-07-12 D72019118.37  1OUSGSSA
1955-08-08 D62610 18.11NGVD291OUSGSSA
1955-08-08 D62611 17.02NAVD881OUSGSSA
1955-08-08 D7201989.89  1OUSGSSA
1955-09-30 D62610 -4.63NGVD291OUSGSSA
1955-09-30 D62611 -5.72NAVD881OUSGSSA
1955-09-30 D72019112.63  1OUSGSSA
1955-10-27 D62610 -2.67NGVD291OUSGSSA
1955-10-27 D62611 -3.76NAVD881OUSGSSA
1955-10-27 D72019110.67  1OUSGSSA
1955-11-08 D62610 0.12NGVD291OUSGSSA
1955-11-08 D62611 -0.97NAVD881OUSGSSA
1955-11-08 D72019107.88  1OUSGSSA
1955-12-01 D62610 2.17NGVD291OUSGSSA
1955-12-01 D62611 1.08NAVD881OUSGSSA
1955-12-01 D72019105.83  1OUSGSSA
1956-01-05 D62610 2.99NGVD291OUSGSSA
1956-01-05 D62611 1.90NAVD881OUSGSSA
1956-01-05 D72019105.01  1OUSGSSA
1956-02-02 D62610 3.41NGVD291OUSGSSA
1956-02-02 D62611 2.32NAVD881OUSGSSA
1956-02-02 D72019104.59  1OUSGSSA
1956-02-28 D62610 3.25NGVD291OUSGSSA
1956-02-28 D62611 2.16NAVD881OUSGSSA
1956-02-28 D72019104.75  1OUSGSSA
1956-04-04 D62610 0.94NGVD291OUSGSSA
1956-04-04 D62611 -0.15NAVD881OUSGSSA
1956-04-04 D72019107.06  1OUSGSSA
1956-04-25 D62610 -0.26NGVD291OUSGSSA
1956-04-25 D62611 -1.35NAVD881OUSGSSA
1956-04-25 D72019108.26  1OUSGSSA
1956-06-06 D62610 2.09NGVD291OUSGSSA
1956-06-06 D62611 1.00NAVD881OUSGSSA
1956-06-06 D72019105.91  1OUSGSSA
1956-08-02 D62610 -2.13NGVD291OUSGSSA
1956-08-02 D62611 -3.22NAVD881OUSGSSA
1956-08-02 D72019110.13  1OUSGSSA
1956-09-14 D62610 -13.22NGVD291OUSGSSA
1956-09-14 D62611 -14.31NAVD881OUSGSSA
1956-09-14 D72019121.22  1OUSGSSA
1956-10-02 D62610 2.59NGVD291OUSGSSA
1956-10-02 D62611 1.50NAVD881OUSGSSA
1956-10-02 D72019105.41  1OUSGSSA
1956-10-09 D62610 2.47NGVD291OUSGSSA
1956-10-09 D62611 1.38NAVD881OUSGSSA
1956-10-09 D72019105.53  1OUSGSSA
1956-10-15 D62610 1.28NGVD291OUSGSSA
1956-10-15 D62611 0.19NAVD881OUSGSSA
1956-10-15 D72019106.72  1OUSGSSA
1956-11-02 D62610 1.88NGVD291OUSGSSA
1956-11-02 D62611 0.79NAVD881OUSGSSA
1956-11-02 D72019106.12  1OUSGSSA
1956-11-26 D62610 7.02NGVD291OUSGSSA
1956-11-26 D62611 5.93NAVD881OUSGSSA
1956-11-26 D72019100.98  1OUSGSSA
1957-01-08 D62610 1.78NGVD291OUSGSSA
1957-01-08 D62611 0.69NAVD881OUSGSSA
1957-01-08 D72019106.22  1OUSGSSA
1957-02-05 D62610 1.47NGVD291OUSGSSA
1957-02-05 D62611 0.38NAVD881OUSGSSA
1957-02-05 D72019106.53  1OUSGSSA
1957-04-24 D62610 -0.76NGVD291OUSGSSA
1957-04-24 D62611 -1.85NAVD881OUSGSSA
1957-04-24 D72019108.76  1OUSGSSA
1957-04-26 D62610 2.02NGVD291OUSGSSA
1957-04-26 D62611 0.93NAVD881OUSGSSA
1957-04-26 D72019105.98  1OUSGSSA
1958-01-30 D62610 10.30NGVD291OUSGSSA
1958-01-30 D62611 9.21NAVD881OUSGSSA
1958-01-30 D7201997.70  1OUSGSSA
1959-04-08 D62610 4.47NGVD291OUSGSSA
1959-04-08 D62611 3.38NAVD881OUSGSSA
1959-04-08 D72019103.53  1OUSGSSA
1961-03-13 D62610 7.77NGVD291OUSGSSA
1961-03-13 D62611 6.68NAVD881OUSGSSA
1961-03-13 D72019100.23  1OUSGSSA
1964-03-12 D62610 4.61NGVD291OUSGSSA
1964-03-12 D62611 3.52NAVD881OUSGSSA
1964-03-12 D72019103.39  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.