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Groundwater levels for the Nation

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USGS 404053073290803 N 9646. 1

Nassau County, New York
Latitude  40°40'53", Longitude  73°29'08" NAD27
Land-surface elevation 32.0 feet above NGVD29
The depth of the well is 41 feet below land surface.
The depth of the hole is 45 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
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
1988-07-0617:40 UTCm62610 18.40NGVD291OUSGSSA
1988-07-0617:40 UTCm62611 17.21NAVD881OUSGSSA
1988-07-0617:40 UTCm7201913.60  1OUSGSSA
1988-08-0414:15 UTCm62610 18.33NGVD291OUSGSSA
1988-08-0414:15 UTCm62611 17.14NAVD881OUSGSSA
1988-08-0414:15 UTCm7201913.67  1OUSGSSA
1989-04-1114:20 UTCm62610 20.03NGVD291OUSGSSA
1989-04-1114:20 UTCm62611 18.84NAVD881OUSGSSA
1989-04-1114:20 UTCm7201911.97  1OUSGSSA
1989-05-1918:00 UTCm62610 21.43NGVD291OUSGSSA
1989-05-1918:00 UTCm62611 20.24NAVD881OUSGSSA
1989-05-1918:00 UTCm7201910.57  1OUSGSSA
1989-06-1519:00 UTCm62610 20.92NGVD291OUSGSSA
1989-06-1519:00 UTCm62611 19.73NAVD881OUSGSSA
1989-06-1519:00 UTCm7201911.08  1OUSGSSA
1989-07-1914:10 UTCm62610 20.56NGVD291OUSGSSA
1989-07-1914:10 UTCm62611 19.37NAVD881OUSGSSA
1989-07-1914:10 UTCm7201911.44  1OUSGSSA
1989-08-1714:55 UTCm62610 20.16NGVD291OUSGSSA
1989-08-1714:55 UTCm62611 18.97NAVD881OUSGSSA
1989-08-1714:55 UTCm7201911.84  1OUSGSSA
1989-09-2218:08 UTCm62610 19.64NGVD291OUSGSSA
1989-09-2218:08 UTCm62611 18.45NAVD881OUSGSSA
1989-09-2218:08 UTCm7201912.36  1OUSGSSA
1989-12-06 D62610 20.00NGVD291OUSGSSA
1989-12-06 D62611 18.81NAVD881OUSGSSA
1989-12-06 D7201912.00  1OUSGSSA
1990-01-17 D62610 19.55NGVD291OUSGSSA
1990-01-17 D62611 18.36NAVD881OUSGSSA
1990-01-17 D7201912.45  1OUSGSSA
1990-02-13 D62610 20.11NGVD291OUSGSSA
1990-02-13 D62611 18.92NAVD881OUSGSSA
1990-02-13 D7201911.89  1OUSGSSA
1990-03-2619:14 UTCm62610 19.72NGVD291OUSGSSA
1990-03-2619:14 UTCm62611 18.53NAVD881OUSGSSA
1990-03-2619:14 UTCm7201912.28  1OUSGSSA
1990-06-20 D62610 20.15NGVD291OUSGSSA
1990-06-20 D62611 18.96NAVD881OUSGSSA
1990-06-20 D7201911.85  1OUSGSSA
1990-08-20 D62610 19.42NGVD291OUSGSSA
1990-08-20 D62611 18.23NAVD881OUSGSSA
1990-08-20 D7201912.58  1OUSGSSA
1990-10-30 D62610 20.53NGVD291OUSGSSA
1990-10-30 D62611 19.34NAVD881OUSGSSA
1990-10-30 D7201911.47  1OUSGSSA
1991-02-2119:35 UTCm62610 19.92NGVD291OUSGSSA
1991-02-2119:35 UTCm62611 18.73NAVD881OUSGSSA
1991-02-2119:35 UTCm7201912.08  1OUSGSSA
1991-03-2017:05 UTCm62610 20.18NGVD291OUSGSSA
1991-03-2017:05 UTCm62611 18.99NAVD881OUSGSSA
1991-03-2017:05 UTCm7201911.82  1OUSGSSA
1991-04-2615:55 UTCm62610 20.27NGVD291OUSGSSA
1991-04-2615:55 UTCm62611 19.08NAVD881OUSGSSA
1991-04-2615:55 UTCm7201911.73  1OUSGSSA
1991-05-2114:40 UTCm62610 19.94NGVD291OUSGSSA
1991-05-2114:40 UTCm62611 18.75NAVD881OUSGSSA
1991-05-2114:40 UTCm7201912.06  1OUSGSSA
1991-06-2419:15 UTCm62610 19.45NGVD291OUSGSSA
1991-06-2419:15 UTCm62611 18.26NAVD881OUSGSSA
1991-06-2419:15 UTCm7201912.55  1OUSGSSA
1991-10-2115:05 UTCm62610 19.07NGVD291OUSGSSA
1991-10-2115:05 UTCm62611 17.88NAVD881OUSGSSA
1991-10-2115:05 UTCm7201912.93  1OUSGSSA
1992-03-1717:00 UTCm62610 18.80NGVD291OUSGSSA
1992-03-1717:00 UTCm62611 17.61NAVD881OUSGSSA
1992-03-1717:00 UTCm7201913.20  1OUSGSSA
1992-07-0114:45 UTCm62610 18.48NGVD291OUSGSSA
1992-07-0114:45 UTCm62611 17.29NAVD881OUSGSSA
1992-07-0114:45 UTCm7201913.52  1OUSGSSA
1993-03-2515:45 UTCm62610 20.52NGVD291OUSGSSA
1993-03-2515:45 UTCm62611 19.33NAVD881OUSGSSA
1993-03-2515:45 UTCm7201911.48  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.