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Groundwater levels for the Nation

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  • 403945073301603
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USGS 403945073301603 N 1287. 1

Nassau County, New York
Latitude  40°39'45", Longitude  73°30'15" NAD27
Land-surface elevation 7.0 feet above NGVD29
The depth of the well is 64 feet below land surface.
The depth of the hole is 64 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
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
1939-11-01 D62610 2.06NGVD291OUSGSSA
1939-11-01 D62611 0.89NAVD881OUSGSSA
1939-11-01 D720194.94  1OUSGSSA
1939-12-01 D62610 6.07NGVD291OUSGSSA
1939-12-01 D62611 4.90NAVD881OUSGSSA
1939-12-01 D720190.93  1OUSGSSA
1940-02-29 D62610 2.71NGVD291OUSGSSA
1940-02-29 D62611 1.54NAVD881OUSGSSA
1940-02-29 D720194.29  1OUSGSSA
1940-04-01 D62610 6.50NGVD291OUSGSSA
1940-04-01 D62611 5.33NAVD881OUSGSSA
1940-04-01 D720190.50  1OUSGSSA
1940-10-31 D62610 6.66NGVD291OUSGSSA
1940-10-31 D62611 5.49NAVD881OUSGSSA
1940-10-31 D720190.34  1OUSGSSA
1941-01-02 D62610 6.71NGVD291OUSGSSA
1941-01-02 D62611 5.54NAVD881OUSGSSA
1941-01-02 D720190.29  1OUSGSSA
1941-03-03 D62610 6.61NGVD291OUSGSSA
1941-03-03 D62611 5.44NAVD881OUSGSSA
1941-03-03 D720190.39  1OUSGSSA
1949-12-05 D62610 8.69NGVD291OUSGSSA
1949-12-05 D62611 7.52NAVD881OUSGSSA
1949-12-05 D72019-1.69  1OUSGSSA
1949-12-29 D62610 8.34NGVD291OUSGSSA
1949-12-29 D62611 7.17NAVD881OUSGSSA
1949-12-29 D72019-1.34  1OUSGSSA
1950-01-03 D62610 8.60NGVD291OUSGSSA
1950-01-03 D62611 7.43NAVD881OUSGSSA
1950-01-03 D72019-1.60  1OUSGSSA
1950-01-27 D62610 8.18NGVD291OUSGSSA
1950-01-27 D62611 7.01NAVD881OUSGSSA
1950-01-27 D72019-1.18  1OUSGSSA
1950-04-04 D62610 8.81NGVD291OUSGSSA
1950-04-04 D62611 7.64NAVD881OUSGSSA
1950-04-04 D72019-1.81  1OUSGSSA
1950-04-28 D62610 8.33NGVD291OUSGSSA
1950-04-28 D62611 7.16NAVD881OUSGSSA
1950-04-28 D72019-1.33  1OUSGSSA
1950-05-31 D62610 8.87NGVD291OUSGSSA
1950-05-31 D62611 7.70NAVD881OUSGSSA
1950-05-31 D72019-1.87  1OUSGSSA
1950-06-16 D62610 8.97NGVD291OUSGSSA
1950-06-16 D62611 7.80NAVD881OUSGSSA
1950-06-16 D72019-1.97  1OUSGSSA
1950-06-27 D62610 9.33NGVD291OUSGSSA
1950-06-27 D62611 8.16NAVD881OUSGSSA
1950-06-27 D72019-2.33  1OUSGSSA
1950-08-01 D62610 10.30NGVD291OUSGSSA
1950-08-01 D62611 9.13NAVD881OUSGSSA
1950-08-01 D72019-3.30  1OUSGSSA
1950-08-31 D62610 11.18NGVD291OUSGSSA
1950-08-31 D62611 10.01NAVD881OUSGSSA
1950-08-31 D72019-4.18  1OUSGSSA
1950-09-28 D62610 10.93NGVD291OUSGSSA
1950-09-28 D62611 9.76NAVD881OUSGSSA
1950-09-28 D72019-3.93  1OUSGSSA
1951-05-08 D62610 11.23NGVD291OUSGSSA
1951-05-08 D62611 10.06NAVD881OUSGSSA
1951-05-08 D72019-4.23  1OUSGSSA
1951-07-31 D62610 11.13NGVD291OUSGSSA
1951-07-31 D62611 9.96NAVD881OUSGSSA
1951-07-31 D72019-4.13  1OUSGSSA
1953-01-13 D62610 10.27NGVD291OUSGSSA
1953-01-13 D62611 9.10NAVD881OUSGSSA
1953-01-13 D72019-3.27  1OUSGSSA
1953-04-15 D62610 11.78NGVD291OUSGSSA
1953-04-15 D62611 10.61NAVD881OUSGSSA
1953-04-15 D72019-4.78  1OUSGSSA
1954-02-02 D62610 8.99NGVD291OUSGSSA
1954-02-02 D62611 7.82NAVD881OUSGSSA
1954-02-02 D72019-1.99  1OUSGSSA
1954-04-07 D62610 8.95NGVD291OUSGSSA
1954-04-07 D62611 7.78NAVD881OUSGSSA
1954-04-07 D72019-1.95  1OUSGSSA
1954-05-11 D62610 9.27NGVD291OUSGSSA
1954-05-11 D62611 8.10NAVD881OUSGSSA
1954-05-11 D72019-2.27  1OUSGSSA
1954-06-08 D62610 8.76NGVD291OUSGSSA
1954-06-08 D62611 7.59NAVD881OUSGSSA
1954-06-08 D72019-1.76  1OUSGSSA
1954-07-06 D62610 8.95NGVD291OUSGSSA
1954-07-06 D62611 7.78NAVD881OUSGSSA
1954-07-06 D72019-1.95  1OUSGSSA
1954-09-01 D62610 10.67NGVD291OUSGSSA
1954-09-01 D62611 9.50NAVD881OUSGSSA
1954-09-01 D72019-3.67  1OUSGSSA
1955-04-07 D62610 11.13NGVD291OUSGSSA
1955-04-07 D62611 9.96NAVD881OUSGSSA
1955-04-07 D72019-4.13  1OUSGSSA
1955-07-18 D62610 9.78NGVD291OUSGSSA
1955-07-18 D62611 8.61NAVD881OUSGSSA
1955-07-18 D72019-2.78  1OUSGSSA
1955-10-12 D62610 11.21NGVD291OUSGSSA
1955-10-12 D62611 10.04NAVD881OUSGSSA
1955-10-12 D72019-4.21  1OUSGSSA
1956-04-03 D62610 10.81NGVD291OUSGSSA
1956-04-03 D62611 9.64NAVD881OUSGSSA
1956-04-03 D72019-3.81  1OUSGSSA
1956-10-10 D62610 10.31NGVD291OUSGSSA
1956-10-10 D62611 9.14NAVD881OUSGSSA
1956-10-10 D72019-3.31  1OUSGSSA
1957-06-10 D62610 9.38NGVD291OUSGSSA
1957-06-10 D62611 8.21NAVD881OUSGSSA
1957-06-10 D72019-2.38  1OUSGSSA
1957-10-11 D62610 9.28NGVD291OUSGSSA
1957-10-11 D62611 8.11NAVD881OUSGSSA
1957-10-11 D72019-2.28  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.