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Groundwater levels for the Nation

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USGS 404007073285801 N 11389. 1

Nassau County, New York
Latitude  40°40'07", Longitude  73°28'58" NAD27
Land-surface elevation 5.0 feet above NGVD29
The depth of the well is 21 feet below land surface.
The depth of the hole is 21 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
1989-05-1918:40 UTCm62610 3.87NGVD291OUSGSSA
1989-05-1918:40 UTCm62611 2.69NAVD881OUSGSSA
1989-05-1918:40 UTCm720191.13  1OUSGSSA
1989-06-1519:40 UTCm62610 3.75NGVD291OUSGSSA
1989-06-1519:40 UTCm62611 2.57NAVD881OUSGSSA
1989-06-1519:40 UTCm720191.25  1OUSGSSA
1989-07-1914:35 UTCm62610 3.65NGVD291OUSGSSA
1989-07-1914:35 UTCm62611 2.47NAVD881OUSGSSA
1989-07-1914:35 UTCm720191.35  1OUSGSSA
1989-08-1715:40 UTCm62610 3.66NGVD291OUSGSSA
1989-08-1715:40 UTCm62611 2.48NAVD881OUSGSSA
1989-08-1715:40 UTCm720191.34  1OUSGSSA
1989-09-2218:55 UTCm62610 3.45NGVD291OUSGSSA
1989-09-2218:55 UTCm62611 2.27NAVD881OUSGSSA
1989-09-2218:55 UTCm720191.55  1OUSGSSA
1989-12-06 D62610 3.38NGVD291OUSGSSA
1989-12-06 D62611 2.20NAVD881OUSGSSA
1989-12-06 D720191.62  1OUSGSSA
1990-01-17 D62610 3.28NGVD291OUSGSSA
1990-01-17 D62611 2.10NAVD881OUSGSSA
1990-01-17 D720191.72  1OUSGSSA
1990-02-13 D62610 3.41NGVD291OUSGSSA
1990-02-13 D62611 2.23NAVD881OUSGSSA
1990-02-13 D720191.59  1OUSGSSA
1990-03-2620:15 UTCm62610 3.29NGVD291OUSGSSA
1990-03-2620:15 UTCm62611 2.11NAVD881OUSGSSA
1990-03-2620:15 UTCm720191.71  1OUSGSSA
1990-06-20 D62610 3.45NGVD291OUSGSSA
1990-06-20 D62611 2.27NAVD881OUSGSSA
1990-06-20 D720191.55  1OUSGSSA
1990-08-20 D62610 3.66NGVD291OUSGSSA
1990-08-20 D62611 2.48NAVD881OUSGSSA
1990-08-20 D720191.34  1OUSGSSA
1990-10-30 D62610 3.68NGVD291OUSGSSA
1990-10-30 D62611 2.50NAVD881OUSGSSA
1990-10-30 D720191.32  1OUSGSSA
1991-02-2120:10 UTCm62610 3.54NGVD291OUSGSSA
1991-02-2120:10 UTCm62611 2.36NAVD881OUSGSSA
1991-02-2120:10 UTCm720191.46  1OUSGSSA
1991-03-2017:45 UTCm62610 3.63NGVD291OUSGSSA
1991-03-2017:45 UTCm62611 2.45NAVD881OUSGSSA
1991-03-2017:45 UTCm720191.37  1OUSGSSA
1991-04-2616:30 UTCm62610 3.61NGVD291OUSGSSA
1991-04-2616:30 UTCm62611 2.43NAVD881OUSGSSA
1991-04-2616:30 UTCm720191.39  1OUSGSSA
1991-05-2115:30 UTCm62610 3.48NGVD291OUSGSSA
1991-05-2115:30 UTCm62611 2.30NAVD881OUSGSSA
1991-05-2115:30 UTCm720191.52  1OUSGSSA
1991-06-2420:05 UTCm62610 3.37NGVD291OUSGSSA
1991-06-2420:05 UTCm62611 2.19NAVD881OUSGSSA
1991-06-2420:05 UTCm720191.63  1OUSGSSA
1991-10-2115:45 UTCm62610 3.53NGVD291OUSGSSA
1991-10-2115:45 UTCm62611 2.35NAVD881OUSGSSA
1991-10-2115:45 UTCm720191.47  1OUSGSSA
1992-03-1717:50 UTCm62610 3.35NGVD291OUSGSSA
1992-03-1717:50 UTCm62611 2.17NAVD881OUSGSSA
1992-03-1717:50 UTCm720191.65  1OUSGSSA
1992-07-0115:15 UTCm62610 3.31NGVD291OUSGSSA
1992-07-0115:15 UTCm62611 2.13NAVD881OUSGSSA
1992-07-0115:15 UTCm720191.69  1OUSGSSA
1993-03-2516:45 UTCm62610 3.72NGVD291OUSGSSA
1993-03-2516:45 UTCm62611 2.54NAVD881OUSGSSA
1993-03-2516:45 UTCm720191.28  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.