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Groundwater levels for New York

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Agency code = usgs
site_no list =
  • 403713073415903
Minimum number of levels = 1
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USGS 403713073415903 N 6706. 1

Nassau County, New York
Latitude  40°37'13.4", Longitude  73°41'57.7" NAD83
Land-surface elevation 6.0 feet above NGVD29
The depth of the well is 633 feet below land surface.
The depth of the hole is 743 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 Magothy Aquifer (211MAGT) 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
1991-03-2117:58 UTCm62610 5.62NGVD294OUSGSSA
1991-03-2117:58 UTCm62611 4.52NAVD884OUSGSSA
1991-03-2117:58 UTCm720190.38  4OUSGSSA
1992-03-2519:10 UTCm62610 3.89NGVD294OUSGSSA
1992-03-2519:10 UTCm62611 2.79NAVD884OUSGSSA
1992-03-2519:10 UTCm720192.11  4OUSGSSA
1993-03-2412:54 UTCm62610 4.50NGVD294OUSGSSA
1993-03-2412:54 UTCm62611 3.40NAVD884OUSGSSA
1993-03-2412:54 UTCm720191.50  4OUSGSSA
1995-03-2015:40 UTCm62610 4.90NGVD294OUSGSSA
1995-03-2015:40 UTCm62611 3.80NAVD884OUSGSSA
1995-03-2015:40 UTCm720191.10  4OUSGSSA
1996-03-1219:18 UTCm62610 3.95NGVD294OUSGSSA
1996-03-1219:18 UTCm62611 2.85NAVD884OUSGSSA
1996-03-1219:18 UTCm720192.05  4OUSGSSA
1997-03-1115:05 UTCm62610 3.52NGVD294OUSGSSA
1997-03-1115:05 UTCm62611 2.42NAVD884OUSGSSA
1997-03-1115:05 UTCm720192.48  4OUSGSSA
1998-03-2016:52 UTCm62610 3.51NGVD294SUSGSSA
1998-03-2016:52 UTCm62611 2.41NAVD884SUSGSSA
1998-03-2016:52 UTCm720192.49  4SUSGSSA

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.
Method of measurementSSteel-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.