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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 405406073322001
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USGS 405406073322001 N 12747. 1

Nassau County, New York
Latitude  40°54'07.04", Longitude  73°31'17.29" NAD83
Land-surface elevation 10 feet above NGVD29
The depth of the well is 515 feet below land surface.
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
1996-12-1217:50 UTCm62610 12.32NGVD294OUSGSSA
1996-12-1217:50 UTCm62611 11.24NAVD884OUSGSSA
1996-12-1217:50 UTCm72019-2.32  4OUSGSSA
1997-03-1119:04 UTCm62610 12.19NGVD294OUSGSSA
1997-03-1119:04 UTCm62611 11.11NAVD884OUSGSSA
1997-03-1119:04 UTCm72019-2.19  4OUSGSSA
1997-05-2216:32 UTCm62610 10.78NGVD294OUSGSSA
1997-05-2216:32 UTCm62611 9.70NAVD884OUSGSSA
1997-05-2216:32 UTCm72019-0.78  4OUSGSSA
1997-07-2319:05 UTCm62610 10.53NGVD294OUSGSSA
1997-07-2319:05 UTCm62611 9.45NAVD884OUSGSSA
1997-07-2319:05 UTCm72019-0.53  4OUSGSSA
1997-08-2118:45 UTCm62610 12.67NGVD294OUSGSSA
1997-08-2118:45 UTCm62611 11.59NAVD884OUSGSSA
1997-08-2118:45 UTCm72019-2.67  4OUSGSSA
1997-09-1716:29 UTCm62610 11.35NGVD294OUSGSSA
1997-09-1716:29 UTCm62611 10.27NAVD884OUSGSSA
1997-09-1716:29 UTCm72019-1.35  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
Status4GWTideAffected
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.