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Groundwater levels for the Nation

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Agency code = usgs
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  • 404535073402102
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USGS 404535073402102 N 1123. 2

Nassau County, New York
Latitude  40°45'35", Longitude  73°40'21" NAD27
Land-surface elevation 145.0 feet above NGVD29
The depth of the well is 96 feet below land surface.
The depth of the hole is 96 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.
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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
1940-10-17 D62610 67.36NGVD291OUSGSSA
1940-10-17 D62611 66.25NAVD881OUSGSSA
1940-10-17 D7201977.64  1OUSGSSA
1940-12-11 D62610 66.48NGVD291OUSGSSA
1940-12-11 D62611 65.37NAVD881OUSGSSA
1940-12-11 D7201978.52  1OUSGSSA
1941-03-07 D62610 66.29NGVD291OUSGSSA
1941-03-07 D62611 65.18NAVD881OUSGSSA
1941-03-07 D7201978.71  1OUSGSSA
1941-06-20 D62610 66.25NGVD291OUSGSSA
1941-06-20 D62611 65.14NAVD881OUSGSSA
1941-06-20 D7201978.75  1OUSGSSA
1942-06-26 D62610 64.47NGVD291OUSGSSA
1942-06-26 D62611 63.36NAVD881OUSGSSA
1942-06-26 D7201980.53  1OUSGSSA
1942-08-20 D62610 64.96NGVD291OUSGSSA
1942-08-20 D62611 63.85NAVD881OUSGSSA
1942-08-20 D7201980.04  1OUSGSSA
1942-09-30 D62610 65.52NGVD291OUSGSSA
1942-09-30 D62611 64.41NAVD881OUSGSSA
1942-09-30 D7201979.48  1OUSGSSA
1943-05-28 D62610 66.12NGVD291OUSGSSA
1943-05-28 D62611 65.01NAVD881OUSGSSA
1943-05-28 D7201978.88  1OUSGSSA
1944-01-20 D62610 65.45NGVD291OUSGSSA
1944-01-20 D62611 64.34NAVD881OUSGSSA
1944-01-20 D7201979.55  1OUSGSSA
1944-05-15 D62610 66.73NGVD291OUSGSSA
1944-05-15 D62611 65.62NAVD881OUSGSSA
1944-05-15 D7201978.27  1OUSGSSA
1945-03-05 D62610 66.77NGVD291OUSGSSA
1945-03-05 D62611 65.66NAVD881OUSGSSA
1945-03-05 D7201978.23  1OUSGSSA
1945-07-07 D62610 67.52NGVD291OUSGSSA
1945-07-07 D62611 66.41NAVD881OUSGSSA
1945-07-07 D7201977.48  1OUSGSSA
1946-02-06 D62610 67.57NGVD291OUSGSSA
1946-02-06 D62611 66.46NAVD881OUSGSSA
1946-02-06 D7201977.43  1OUSGSSA
1946-09-24 D62610 68.81NGVD291OUSGSSA
1946-09-24 D62611 67.70NAVD881OUSGSSA
1946-09-24 D7201976.19  1OUSGSSA
1947-04-08 D62610 67.33NGVD291OUSGSSA
1947-04-08 D62611 66.22NAVD881OUSGSSA
1947-04-08 D7201977.67  1OUSGSSA
1947-10-27 D62610 66.81NGVD291OUSGSSA
1947-10-27 D62611 65.70NAVD881OUSGSSA
1947-10-27 D7201978.19  1OUSGSSA
1948-04-03 D62610 66.36NGVD291OUSGSSA
1948-04-03 D62611 65.25NAVD881OUSGSSA
1948-04-03 D7201978.64  1OUSGSSA
1948-07-14 D62610 68.09NGVD291OUSGSSA
1948-07-14 D62611 66.98NAVD881OUSGSSA
1948-07-14 D7201976.91  1OUSGSSA
1949-01-06 D62610 68.45NGVD291OUSGSSA
1949-01-06 D62611 67.34NAVD881OUSGSSA
1949-01-06 D7201976.55  1OUSGSSA
1949-06-16 D62610 70.02NGVD291OUSGSSA
1949-06-16 D62611 68.91NAVD881OUSGSSA
1949-06-16 D7201974.98  1OUSGSSA
1949-11-01 D62610 69.24NGVD291OUSGSSA
1949-11-01 D62611 68.13NAVD881OUSGSSA
1949-11-01 D7201975.76  1OUSGSSA
1950-04-14 D62610 67.90NGVD291OUSGSSA
1950-04-14 D62611 66.79NAVD881OUSGSSA
1950-04-14 D7201977.10  1OUSGSSA
1950-08-31 D62610 66.61NGVD291OUSGSSA
1950-08-31 D62611 65.50NAVD881OUSGSSA
1950-08-31 D7201978.39  1OUSGSSA
1951-01-04 D62610 65.91NGVD291OUSGSSA
1951-01-04 D62611 64.80NAVD881OUSGSSA
1951-01-04 D7201979.09  1OUSGSSA
1951-05-15 D62610 65.97NGVD291OUSGSSA
1951-05-15 D62611 64.86NAVD881OUSGSSA
1951-05-15 D7201979.03  1OUSGSSA
1951-11-23 D62610 65.79NGVD291OUSGSSA
1951-11-23 D62611 64.68NAVD881OUSGSSA
1951-11-23 D7201979.21  1OUSGSSA
1952-06-13 D62610 68.10NGVD291OUSGSSA
1952-06-13 D62611 66.99NAVD881OUSGSSA
1952-06-13 D7201976.90  1OUSGSSA
1952-10-17 D62610 68.38NGVD291OUSGSSA
1952-10-17 D62611 67.27NAVD881OUSGSSA
1952-10-17 D7201976.62  1OUSGSSA
1953-03-25 D62610 68.16NGVD291OUSGSSA
1953-03-25 D62611 67.05NAVD881OUSGSSA
1953-03-25 D7201976.84  1OUSGSSA
1953-09-19 D62610 68.81NGVD291OUSGSSA
1953-09-19 D62611 67.70NAVD881OUSGSSA
1953-09-19 D7201976.19  1OUSGSSA
1954-04-20 D62610 67.24NGVD291OUSGSSA
1954-04-20 D62611 66.13NAVD881OUSGSSA
1954-04-20 D7201977.76  1OUSGSSA
1954-09-17 D62610 66.03NGVD291OUSGSSA
1954-09-17 D62611 64.92NAVD881OUSGSSA
1954-09-17 D7201978.97  1OUSGSSA
1955-04-04 D62610 66.33NGVD291OUSGSSA
1955-04-04 D62611 65.22NAVD881OUSGSSA
1955-04-04 D7201978.67  1OUSGSSA
1955-07-21 D62610 65.30NGVD291OUSGSSA
1955-07-21 D62611 64.19NAVD881OUSGSSA
1955-07-21 D7201979.70  1OUSGSSA
1955-11-28 D62610 67.26NGVD291OUSGSSA
1955-11-28 D62611 66.15NAVD881OUSGSSA
1955-11-28 D7201977.74  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.