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Groundwater levels for the Nation

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USGS 404330073345401 N 11500. 1

Nassau County, New York
Latitude  40°43'30", Longitude  73°34'54" NAD27
Land-surface elevation 64.0 feet above NGVD29
The depth of the well is 27 feet below land surface.
The depth of the hole is 27 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
1989-08-1516:30 UTCm62610 55.60NGVD291OUSGSSA
1989-08-1516:30 UTCm62611 54.43NAVD881OUSGSSA
1989-08-1516:30 UTCm720198.40  1OUSGSSA
1989-09-2015:43 UTCm62610 55.32NGVD291OUSGSSA
1989-09-2015:43 UTCm62611 54.15NAVD881OUSGSSA
1989-09-2015:43 UTCm720198.68  1OUSGSSA
1989-10-24 D62610 55.60NGVD291OUSGSSA
1989-10-24 D62611 54.43NAVD881OUSGSSA
1989-10-24 D720198.40  1OUSGSSA
1989-12-05 D62610 55.37NGVD291OUSGSSA
1989-12-05 D62611 54.20NAVD881OUSGSSA
1989-12-05 D720198.63  1OUSGSSA
1990-01-16 D62610 55.13NGVD291OUSGSSA
1990-01-16 D62611 53.96NAVD881OUSGSSA
1990-01-16 D720198.87  1OUSGSSA
1990-02-13 D62610 55.21NGVD291OUSGSSA
1990-02-13 D62611 54.04NAVD881OUSGSSA
1990-02-13 D720198.79  1OUSGSSA
1990-03-27 D62610 55.05NGVD291OUSGSSA
1990-03-27 D62611 53.88NAVD881OUSGSSA
1990-03-27 D720198.95  1OUSGSSA
1990-06-18 D62610 55.62NGVD291OUSGSSA
1990-06-18 D62611 54.45NAVD881OUSGSSA
1990-06-18 D720198.38  1OUSGSSA
1990-08-16 D62610 55.23NGVD291OUSGSSA
1990-08-16 D62611 54.06NAVD881OUSGSSA
1990-08-16 D720198.77  1OUSGSSA
1990-10-29 D62610 55.55NGVD291OUSGSSA
1990-10-29 D62611 54.38NAVD881OUSGSSA
1990-10-29 D720198.45  1OUSGSSA
1990-12-11 D62610 55.35NGVD291OUSGSSA
1990-12-11 D62611 54.18NAVD881OUSGSSA
1990-12-11 D720198.65  1OUSGSSA
1991-01-10 D62610 55.28NGVD291OUSGSSA
1991-01-10 D62611 54.11NAVD881OUSGSSA
1991-01-10 D720198.72  1OUSGSSA
1991-02-2115:35 UTCm62610 55.33NGVD291OUSGSSA
1991-02-2115:35 UTCm62611 54.16NAVD881OUSGSSA
1991-02-2115:35 UTCm720198.67  1OUSGSSA
1991-03-2217:10 UTCm62610 55.36NGVD291OUSGSSA
1991-03-2217:10 UTCm62611 54.19NAVD881OUSGSSA
1991-03-2217:10 UTCm720198.64  1OUSGSSA
1991-04-2519:45 UTCm62610 55.44NGVD291OUSGSSA
1991-04-2519:45 UTCm62611 54.27NAVD881OUSGSSA
1991-04-2519:45 UTCm720198.56  1OUSGSSA
1991-05-2215:48 UTCm62610 55.32NGVD291OUSGSSA
1991-05-2215:48 UTCm62611 54.15NAVD881OUSGSSA
1991-05-2215:48 UTCm720198.68  1OUSGSSA
1991-06-2517:00 UTCm62610 55.27NGVD291OUSGSSA
1991-06-2517:00 UTCm62611 54.10NAVD881OUSGSSA
1991-06-2517:00 UTCm720198.73  1OUSGSSA
1991-08-0617:50 UTCm62610 55.06NGVD291OUSGSSA
1991-08-0617:50 UTCm62611 53.89NAVD881OUSGSSA
1991-08-0617:50 UTCm720198.94  1OUSGSSA
1991-10-2218:10 UTCm62610 54.47NGVD291OUSGSSA
1991-10-2218:10 UTCm62611 53.30NAVD881OUSGSSA
1991-10-2218:10 UTCm720199.53  1OUSGSSA
1992-06-3017:55 UTCm62610 53.23NGVD291OUSGSSA
1992-06-3017:55 UTCm62611 52.06NAVD881OUSGSSA
1992-06-3017:55 UTCm7201910.77  1OUSGSSA
1993-03-2618:45 UTCm62610 54.78NGVD291OUSGSSA
1993-03-2618:45 UTCm62611 53.61NAVD881OUSGSSA
1993-03-2618:45 UTCm720199.22  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.