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Groundwater levels for New York

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Agency code = usgs
site_no list =
  • 404045073333101
Minimum number of levels = 1
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USGS 404045073333101 N 9400. 1

Nassau County, New York
Latitude  40°40'45", Longitude  73°33'31" NAD27
Land-surface elevation 31.0 feet above NGVD29
The depth of the well is 10 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
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
1978-10-23 D62610 21.22NGVD291OUSGSSA
1978-10-23 D62611 20.06NAVD881OUSGSSA
1978-10-23 D720199.78  1OUSGSSA
1978-11-20 D62610 20.78NGVD291OUSGSSA
1978-11-20 D62611 19.62NAVD881OUSGSSA
1978-11-20 D7201910.22  1OUSGSSA
1978-12-27 D62610 21.72NGVD291OUSGSSA
1978-12-27 D62611 20.56NAVD881OUSGSSA
1978-12-27 D720199.28  1OUSGSSA
1979-03-0518:45 UTCm62610 23.41NGVD291OUSGSSA
1979-03-0518:45 UTCm62611 22.25NAVD881OUSGSSA
1979-03-0518:45 UTCm720197.59  1OUSGSSA
1979-03-20 D62610 23.61NGVD291OUSGSSA
1979-03-20 D62611 22.45NAVD881OUSGSSA
1979-03-20 D720197.39  1OUSGSSA
1979-04-18 D62610 22.91NGVD291OUSGSSA
1979-04-18 D62611 21.75NAVD881OUSGSSA
1979-04-18 D720198.09  1OUSGSSA
1979-05-23 D62610 23.50NGVD291OUSGSSA
1979-05-23 D62611 22.34NAVD881OUSGSSA
1979-05-23 D720197.50  1OUSGSSA
1983-09-2017:30 UTCm62610 19.57NGVD291OUSGSSA
1983-09-2017:30 UTCm62611 18.41NAVD881OUSGSSA
1983-09-2017:30 UTCm7201911.43  1OUSGSSA
1983-10-2222:23 UTCm62610 19.98NGVD291OUSGSSA
1983-10-2222:23 UTCm62611 18.82NAVD881OUSGSSA
1983-10-2222:23 UTCm7201911.02  1OUSGSSA
1984-08-3016:36 UTCm62610 -9.04NGVD291OUSGSSA
1984-08-3016:36 UTCm62611 -10.20NAVD881OUSGSSA
1984-08-3016:36 UTCm7201940.04  1OUSGSSA
1984-10-1614:05 UTCm62610 20.87NGVD291OUSGSSA
1984-10-1614:05 UTCm62611 19.71NAVD881OUSGSSA
1984-10-1614:05 UTCm7201910.13  1OUSGSSA
1985-05-1513:35 UTCm62610 20.74NGVD291OUSGSSA
1985-05-1513:35 UTCm62611 19.58NAVD881OUSGSSA
1985-05-1513:35 UTCm7201910.26  1OUSGSSA

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
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.