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Groundwater levels for the Nation

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Agency code = usgs
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  • 405226073322901
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USGS 405226073322901 N 12256. 1

Nassau County, New York
Latitude  40°52'26", Longitude  73°32'29" NAD27
Land-surface elevation 23 feet above NGVD29
The depth of the well is 35 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 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
1995-12-0616:55 UTCm62610 23.37NGVD291OUSGSSA
1995-12-0616:55 UTCm62611 22.31NAVD881OUSGSSA
1995-12-0616:55 UTCm72019-0.37  1OUSGSSA
1996-03-1916:30 UTCm62610 22.97NGVD291OUSGSSA
1996-03-1916:30 UTCm62611 21.91NAVD881OUSGSSA
1996-03-1916:30 UTCm720190.03  1OUSGSSA
1996-05-1515:15 UTCm62610 23.52NGVD291OUSGSSA
1996-05-1515:15 UTCm62611 22.46NAVD881OUSGSSA
1996-05-1515:15 UTCm72019-0.52  1OUSGSSA
1996-09-1014:00 UTCm62610 23.44NGVD291OUSGSSA
1996-09-1014:00 UTCm62611 22.38NAVD881OUSGSSA
1996-09-1014:00 UTCm72019-0.44  1OUSGSSA
1996-12-1015:15 UTCm62610 23.39NGVD294OUSGSSA
1996-12-1015:15 UTCm62611 22.33NAVD884OUSGSSA
1996-12-1015:15 UTCm72019-0.39  4OUSGSSA
1997-03-1019:35 UTCm62610 24.09NGVD291OUSGSSA
1997-03-1019:35 UTCm62611 23.03NAVD881OUSGSSA
1997-03-1019:35 UTCm72019-1.09  1OUSGSSA
1997-05-2215:25 UTCm62610 23.70NGVD291OUSGSSA
1997-05-2215:25 UTCm62611 22.64NAVD881OUSGSSA
1997-05-2215:25 UTCm72019-0.70  1OUSGSSA
1997-07-2318:30 UTCm62610 23.70NGVD291OUSGSSA
1997-07-2318:30 UTCm62611 22.64NAVD881OUSGSSA
1997-07-2318:30 UTCm72019-0.70  1OUSGSSA
1997-08-2017:40 UTCm62610 23.41NGVD294OUSGSSA
1997-08-2017:40 UTCm62611 22.35NAVD884OUSGSSA
1997-08-2017:40 UTCm72019-0.41  4OUSGSSA
1997-09-1117:30 UTCm62610 23.53NGVD291OUSGSSA
1997-09-1117:30 UTCm62611 22.47NAVD881OUSGSSA
1997-09-1117:30 UTCm72019-0.53  1OUSGSSA
2013-07-1713:12 UTCm62610 23.18NGVD291OUSGSSA
2013-07-1713:12 UTCm62611 22.12NAVD881OUSGSSA
2013-07-1713:12 UTCm72019-0.18  1OUSGSSA
2013-07-2922:55 UTCm62610 23.56NGVD294OUSGSSA
2013-07-2922:55 UTCm62611 22.50NAVD884OUSGSSA
2013-07-2922:55 UTCm72019-0.56  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
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.