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Groundwater levels for the Nation

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USGS 404322073345701 N 11496. 1

Nassau County, New York
Latitude  40°43'22", Longitude  73°34'57" NAD27
Land-surface elevation 67.0 feet above NGVD29
The depth of the well is 37 feet below land surface.
The depth of the hole is 37 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
1989-08-1516:35 UTCm62610 54.14NGVD291OUSGSSA
1989-08-1516:35 UTCm62611 52.98NAVD881OUSGSSA
1989-08-1516:35 UTCm7201912.86  1OUSGSSA
1989-09-2015:45 UTCm62610 53.90NGVD291OUSGSSA
1989-09-2015:45 UTCm62611 52.74NAVD881OUSGSSA
1989-09-2015:45 UTCm7201913.10  1OUSGSSA
1989-10-2416:00 UTCm62610 54.16NGVD291OUSGSSA
1989-10-2416:00 UTCm62611 53.00NAVD881OUSGSSA
1989-10-2416:00 UTCm7201912.84  1OUSGSSA
1989-12-05 D62610 53.87NGVD291OUSGSSA
1989-12-05 D62611 52.71NAVD881OUSGSSA
1989-12-05 D7201913.13  1OUSGSSA
1990-01-16 D62610 53.71NGVD291OUSGSSA
1990-01-16 D62611 52.55NAVD881OUSGSSA
1990-01-16 D7201913.29  1OUSGSSA
1990-02-13 D62610 53.80NGVD291OUSGSSA
1990-02-13 D62611 52.64NAVD881OUSGSSA
1990-02-13 D7201913.20  1OUSGSSA
1990-03-27 D62610 53.69NGVD291OUSGSSA
1990-03-27 D62611 52.53NAVD881OUSGSSA
1990-03-27 D7201913.31  1OUSGSSA
1990-06-18 D62610 54.01NGVD291OUSGSSA
1990-06-18 D62611 52.85NAVD881OUSGSSA
1990-06-18 D7201912.99  1OUSGSSA
1990-08-16 D62610 53.83NGVD291OUSGSSA
1990-08-16 D62611 52.67NAVD881OUSGSSA
1990-08-16 D7201913.17  1OUSGSSA
1990-10-29 D62610 54.11NGVD291OUSGSSA
1990-10-29 D62611 52.95NAVD881OUSGSSA
1990-10-29 D7201912.89  1OUSGSSA
1990-12-11 D62610 53.92NGVD291OUSGSSA
1990-12-11 D62611 52.76NAVD881OUSGSSA
1990-12-11 D7201913.08  1OUSGSSA
1991-01-10 D62610 53.90NGVD291OUSGSSA
1991-01-10 D62611 52.74NAVD881OUSGSSA
1991-01-10 D7201913.10  1OUSGSSA
1991-02-2115:40 UTCm62610 53.87NGVD291OUSGSSA
1991-02-2115:40 UTCm62611 52.71NAVD881OUSGSSA
1991-02-2115:40 UTCm7201913.13  1OUSGSSA
1991-03-2217:15 UTCm62610 53.87NGVD291OUSGSSA
1991-03-2217:15 UTCm62611 52.71NAVD881OUSGSSA
1991-03-2217:15 UTCm7201913.13  1OUSGSSA
1991-04-2519:50 UTCm62610 53.94NGVD291OUSGSSA
1991-04-2519:50 UTCm62611 52.78NAVD881OUSGSSA
1991-04-2519:50 UTCm7201913.06  1OUSGSSA
1991-05-2215:50 UTCm62610 53.83NGVD291OUSGSSA
1991-05-2215:50 UTCm62611 52.67NAVD881OUSGSSA
1991-05-2215:50 UTCm7201913.17  1OUSGSSA
1991-06-2517:00 UTCm62610 53.84NGVD291OUSGSSA
1991-06-2517:00 UTCm62611 52.68NAVD881OUSGSSA
1991-06-2517:00 UTCm7201913.16  1OUSGSSA
1991-08-0617:55 UTCm62610 53.67NGVD291OUSGSSA
1991-08-0617:55 UTCm62611 52.51NAVD881OUSGSSA
1991-08-0617:55 UTCm7201913.33  1OUSGSSA
1991-10-2218:15 UTCm62610 53.39NGVD291OUSGSSA
1991-10-2218:15 UTCm62611 52.23NAVD881OUSGSSA
1991-10-2218:15 UTCm7201913.61  1OUSGSSA
1992-06-3017:55 UTCm62610 52.56NGVD291OUSGSSA
1992-06-3017:55 UTCm62611 51.40NAVD881OUSGSSA
1992-06-3017:55 UTCm7201914.44  1OUSGSSA
1993-03-2618:50 UTCm62610 53.60NGVD291OUSGSSA
1993-03-2618:50 UTCm62611 52.44NAVD881OUSGSSA
1993-03-2618:50 UTCm7201913.40  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.