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Groundwater levels for the Nation

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  • 404338073370601
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USGS 404338073370601 N 10205. 1

Nassau County, New York
Latitude  40°43'38", Longitude  73°37'06" NAD27
Land-surface elevation 73.0 feet above NGVD29
The depth of the well is 44 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.
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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
1984-04-1315:00 UTCm62610 55.06NGVD291OUSGSSA
1984-04-1315:00 UTCm62611 53.91NAVD881OUSGSSA
1984-04-1315:00 UTCm7201917.94  1OUSGSSA
1984-04-2513:50 UTCm62610 55.74NGVD291OUSGSSA
1984-04-2513:50 UTCm62611 54.59NAVD881OUSGSSA
1984-04-2513:50 UTCm7201917.26  1OUSGSSA
1984-05-0915:30 UTCm62610 55.81NGVD291OUSGSSA
1984-05-0915:30 UTCm62611 54.66NAVD881OUSGSSA
1984-05-0915:30 UTCm7201917.19  1OUSGSSA
1984-06-0714:45 UTCm62610 57.16NGVD291OUSGSSA
1984-06-0714:45 UTCm62611 56.01NAVD881OUSGSSA
1984-06-0714:45 UTCm7201915.84  1OUSGSSA
1984-06-0819:45 UTCm62610 57.17NGVD291OUSGSSA
1984-06-0819:45 UTCm62611 56.02NAVD881OUSGSSA
1984-06-0819:45 UTCm7201915.83  1OUSGSSA
1984-07-1217:10 UTCm62610 58.00NGVD291OUSGSSA
1984-07-1217:10 UTCm62611 56.85NAVD881OUSGSSA
1984-07-1217:10 UTCm7201915.00  1OUSGSSA
1984-08-0817:18 UTCm62610 57.94NGVD291OUSGSSA
1984-08-0817:18 UTCm62611 56.79NAVD881OUSGSSA
1984-08-0817:18 UTCm7201915.06  1OUSGSSA

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
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.