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Groundwater levels for New York

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  • 404121073273501
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USGS 404121073273501 N 9430. 1

Nassau County, New York
Latitude  40°41'21", Longitude  73°27'35" NAD27
Land-surface elevation 28.0 feet above NGVD29
The depth of the well is 12 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
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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
1978-10-23 D62610 19.70NGVD291OUSGSSA
1978-10-23 D62611 18.50NAVD881OUSGSSA
1978-10-23 D720198.30  1OUSGSSA
1978-11-20 D62610 19.65NGVD291OUSGSSA
1978-11-20 D62611 18.45NAVD881OUSGSSA
1978-11-20 D720198.35  1OUSGSSA
1978-12-27 D62610 20.10NGVD291OUSGSSA
1978-12-27 D62611 18.90NAVD881OUSGSSA
1978-12-27 D720197.90  1OUSGSSA
1979-03-0517:10 UTCm62610 20.61NGVD291SUSGSSA
1979-03-0517:10 UTCm62611 19.41NAVD881SUSGSSA
1979-03-0517:10 UTCm720197.39  1SUSGSSA
1979-03-20 D62610 20.70NGVD291OUSGSSA
1979-03-20 D62611 19.50NAVD881OUSGSSA
1979-03-20 D720197.30  1OUSGSSA
1979-04-18 D62610 20.31NGVD291OUSGSSA
1979-04-18 D62611 19.11NAVD881OUSGSSA
1979-04-18 D720197.69  1OUSGSSA
1979-05-22 D62610 20.30NGVD291OUSGSSA
1979-05-22 D62611 19.10NAVD881OUSGSSA
1979-05-22 D720197.70  1OUSGSSA
1983-09-2013:49 UTCm62610 19.40NGVD291SUSGSSA
1983-09-2013:49 UTCm62611 18.20NAVD881SUSGSSA
1983-09-2013:49 UTCm720198.60  1SUSGSSA
1983-10-2300:20 UTCm62610 19.54NGVD291SUSGSSA
1983-10-2300:20 UTCm62611 18.34NAVD881SUSGSSA
1983-10-2300:20 UTCm720198.46  1SUSGSSA
1984-08-3116:45 UTCm62610 20.33NGVD291SUSGSSA
1984-08-3116:45 UTCm62611 19.13NAVD881SUSGSSA
1984-08-3116:45 UTCm720197.67  1SUSGSSA
1984-10-1919:37 UTCm62610 19.76NGVD291SUSGSSA
1984-10-1919:37 UTCm62611 18.56NAVD881SUSGSSA
1984-10-1919:37 UTCm720198.24  1SUSGSSA
1985-05-1421:56 UTCm62610 19.64NGVD291SUSGSSA
1985-05-1421:56 UTCm62611 18.44NAVD881SUSGSSA
1985-05-1421:56 UTCm720198.36  1SUSGSSA

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.
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.