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Groundwater levels for the Nation

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Agency code = usgs
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USGS 404640073441101 N 10992. 1

Nassau County, New York
Latitude  40°46'40", Longitude  73°44'11" NAD27
Land-surface elevation 12 feet above NAVD88
The depth of the well is 150 feet below land surface.
The depth of the hole is 150 feet below land surface.
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
1992-08-2513:11 UTCm62610 17.05NGVD294OUSGSSA
1992-08-2513:11 UTCm62611 15.97NAVD884OUSGSSA
1992-08-2513:11 UTCm72019-3.97  4OUSGSSA
1992-12-0814:05 UTCm62610 14.95NGVD294OUSGSSA
1992-12-0814:05 UTCm62611 13.87NAVD884OUSGSSA
1992-12-0814:05 UTCm72019-1.87  4OUSGSSA
1993-03-2517:00 UTCm62610 14.53NGVD294OUSGSSA
1993-03-2517:00 UTCm62611 13.45NAVD884OUSGSSA
1993-03-2517:00 UTCm72019-1.45  4OUSGSSA
1993-06-1817:10 UTCm62610 14.71NGVD294OUSGSSA
1993-06-1817:10 UTCm62611 13.63NAVD884OUSGSSA
1993-06-1817:10 UTCm72019-1.63  4OUSGSSA
1993-09-3016:15 UTCm62610 8.38NGVD294OUSGSSA
1993-09-3016:15 UTCm62611 7.30NAVD884OUSGSSA
1993-09-3016:15 UTCm720194.70  4OUSGSSA
1994-03-3018:15 UTCm62610 14.51NGVD294OUSGSSA
1994-03-3018:15 UTCm62611 13.43NAVD884OUSGSSA
1994-03-3018:15 UTCm72019-1.43  4OUSGSSA
1994-06-0816:45 UTCm62610 15.00NGVD294OUSGSSA
1994-06-0816:45 UTCm62611 13.92NAVD884OUSGSSA
1994-06-0816:45 UTCm72019-1.92  4OUSGSSA
1994-09-2016:45 UTCm62610 8.91NGVD294OUSGSSA
1994-09-2016:45 UTCm62611 7.83NAVD884OUSGSSA
1994-09-2016:45 UTCm720194.17  4OUSGSSA
1994-12-1616:39 UTCm62610 8.33NGVD294OUSGSSA
1994-12-1616:39 UTCm62611 7.25NAVD884OUSGSSA
1994-12-1616:39 UTCm720194.75  4OUSGSSA
1995-03-1514:30 UTCm62610 12.58NGVD294OUSGSSA
1995-03-1514:30 UTCm62611 11.50NAVD884OUSGSSA
1995-03-1514:30 UTCm720190.50  4OUSGSSA
1995-06-1417:29 UTCm62610 8.23NGVD294OUSGSSA
1995-06-1417:29 UTCm62611 7.15NAVD884OUSGSSA
1995-06-1417:29 UTCm720194.85  4OUSGSSA
1995-08-2416:43 UTCm62610 7.51NGVD294OUSGSSA
1995-08-2416:43 UTCm62611 6.43NAVD884OUSGSSA
1995-08-2416:43 UTCm720195.57  4OUSGSSA
1995-12-0414:55 UTCm62610 16.83NGVD294OUSGSSA
1995-12-0414:55 UTCm62611 15.75NAVD884OUSGSSA
1995-12-0414:55 UTCm72019-3.75  4OUSGSSA
1996-03-2218:32 UTCm62610 17.00NGVD294OUSGSSA
1996-03-2218:32 UTCm62611 15.92NAVD884OUSGSSA
1996-03-2218:32 UTCm72019-3.92  4OUSGSSA
1996-05-1617:20 UTCm62610 9.08NGVD294OUSGSSA
1996-05-1617:20 UTCm62611 8.00NAVD884OUSGSSA
1996-05-1617:20 UTCm720194.00  4OUSGSSA
1996-09-1015:00 UTCm62610 9.90NGVD294OUSGSSA
1996-09-1015:00 UTCm62611 8.82NAVD884OUSGSSA
1996-09-1015:00 UTCm720193.18  4OUSGSSA

Explanation
SectionCodeDescription
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
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.