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Groundwater levels for the Nation

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USGS 403721073443401 N 9468. 1

Nassau County, New York
Latitude  40°37'21", Longitude  73°44'34" NAD27
Land-surface elevation 7.0 feet above NGVD29
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Glacial Aquifer, Upper (112GLCLU) local aquifer.
Output formats
Table of 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
1983-04-04 D62610 5.38NGVD291OUSGSSA
1983-04-04 D62611 4.27NAVD881OUSGSSA
1983-04-04 D720191.62  1OUSGSSA
1990-03-2814:40 UTCm62610 3.77NGVD294OUSGSSA
1990-03-2814:40 UTCm62611 2.66NAVD884OUSGSSA
1990-03-2814:40 UTCm720193.23  4OUSGSSA
1992-07-1718:07 UTCm62610 3.83NGVD294OUSGSSA
1992-07-1718:07 UTCm62611 2.72NAVD884OUSGSSA
1992-07-1718:07 UTCm720193.17  4OUSGSSA
1992-07-2214:23 UTCm62610 3.59NGVD294OUSGSSA
1992-07-2214:23 UTCm62611 2.48NAVD884OUSGSSA
1992-07-2214:23 UTCm720193.41  4OUSGSSA
1992-09-1716:09 UTCm62610 3.79NGVD294OUSGSSA
1992-09-1716:09 UTCm62611 2.68NAVD884OUSGSSA
1992-09-1716:09 UTCm720193.21  4OUSGSSA
1992-10-2714:36 UTCm62610 3.52NGVD294OUSGSSA
1992-10-2714:36 UTCm62611 2.41NAVD884OUSGSSA
1992-10-2714:36 UTCm720193.48  4OUSGSSA
1992-11-1818:59 UTCm62610 3.69NGVD294OUSGSSA
1992-11-1818:59 UTCm62611 2.58NAVD884OUSGSSA
1992-11-1818:59 UTCm720193.31  4OUSGSSA
1992-12-2917:15 UTCm62610 4.15NGVD294OUSGSSA
1992-12-2917:15 UTCm62611 3.04NAVD884OUSGSSA
1992-12-2917:15 UTCm720192.85  4OUSGSSA
1993-01-2815:57 UTCm62610 3.84NGVD294OUSGSSA
1993-01-2815:57 UTCm62611 2.73NAVD884OUSGSSA
1993-01-2815:57 UTCm720193.16  4OUSGSSA
1993-03-2514:26 UTCm62610 4.81NGVD294OUSGSSA
1993-03-2514:26 UTCm62611 3.70NAVD884OUSGSSA
1993-03-2514:26 UTCm720192.19  4OUSGSSA
1993-05-2413:54 UTCm62610 3.45NGVD294OUSGSSA
1993-05-2413:54 UTCm62611 2.34NAVD884OUSGSSA
1993-05-2413:54 UTCm720193.55  4OUSGSSA
1993-06-2215:05 UTCm62610 3.30NGVD294OUSGSSA
1993-06-2215:05 UTCm62611 2.19NAVD884OUSGSSA
1993-06-2215:05 UTCm720193.70  4OUSGSSA
1993-07-2214:23 UTCm62610 3.01NGVD294OUSGSSA
1993-07-2214:23 UTCm62611 1.90NAVD884OUSGSSA
1993-07-2214:23 UTCm720193.99  4OUSGSSA
1993-08-2417:55 UTCm62610 3.33NGVD294OUSGSSA
1993-08-2417:55 UTCm62611 2.22NAVD884OUSGSSA
1993-08-2417:55 UTCm720193.67  4OUSGSSA
1993-09-2218:36 UTCm62610 3.52NGVD294OUSGSSA
1993-09-2218:36 UTCm62611 2.41NAVD884OUSGSSA
1993-09-2218:36 UTCm720193.48  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
Status4Groundwater level affected by tide
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.