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Groundwater levels for the Nation

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USGS 404025073290303 N 9657. 1

Nassau County, New York
Latitude  40°40'25", Longitude  73°29'03" NAD27
Land-surface elevation 21.0 feet above NGVD29
The depth of the well is 32 feet below land surface.
The depth of the hole is 38 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
1988-07-0617:10 UTCm62610 9.75NGVD291OUSGSSA
1988-07-0617:10 UTCm62611 8.57NAVD881OUSGSSA
1988-07-0617:10 UTCm7201911.25  1OUSGSSA
1988-08-0414:29 UTCm62610 9.77NGVD291OUSGSSA
1988-08-0414:29 UTCm62611 8.59NAVD881OUSGSSA
1988-08-0414:29 UTCm7201911.23  1OUSGSSA
1989-04-1114:50 UTCm62610 10.69NGVD291OUSGSSA
1989-04-1114:50 UTCm62611 9.51NAVD881OUSGSSA
1989-04-1114:50 UTCm7201910.31  1OUSGSSA
1989-05-1918:30 UTCm62610 11.49NGVD291OUSGSSA
1989-05-1918:30 UTCm62611 10.31NAVD881OUSGSSA
1989-05-1918:30 UTCm720199.51  1OUSGSSA
1989-06-1519:30 UTCm62610 10.94NGVD291OUSGSSA
1989-06-1519:30 UTCm62611 9.76NAVD881OUSGSSA
1989-06-1519:30 UTCm7201910.06  1OUSGSSA
1989-07-1914:30 UTCm62610 10.76NGVD291OUSGSSA
1989-07-1914:30 UTCm62611 9.58NAVD881OUSGSSA
1989-07-1914:30 UTCm7201910.24  1OUSGSSA
1989-08-1715:30 UTCm62610 10.61NGVD291OUSGSSA
1989-08-1715:30 UTCm62611 9.43NAVD881OUSGSSA
1989-08-1715:30 UTCm7201910.39  1OUSGSSA
1989-09-2018:42 UTCm62610 10.27NGVD291OUSGSSA
1989-09-2018:42 UTCm62611 9.09NAVD881OUSGSSA
1989-09-2018:42 UTCm7201910.73  1OUSGSSA
1989-12-06 D62610 10.35NGVD291OUSGSSA
1989-12-06 D62611 9.17NAVD881OUSGSSA
1989-12-06 D7201910.65  1OUSGSSA
1990-01-17 D62610 10.12NGVD291OUSGSSA
1990-01-17 D62611 8.94NAVD881OUSGSSA
1990-01-17 D7201910.88  1OUSGSSA
1990-02-13 D62610 10.43NGVD291OUSGSSA
1990-02-13 D62611 9.25NAVD881OUSGSSA
1990-02-13 D7201910.57  1OUSGSSA
1990-03-2620:03 UTCm62610 10.23NGVD291OUSGSSA
1990-03-2620:03 UTCm62611 9.05NAVD881OUSGSSA
1990-03-2620:03 UTCm7201910.77  1OUSGSSA
1990-06-20 D62610 10.40NGVD291OUSGSSA
1990-06-20 D62611 9.22NAVD881OUSGSSA
1990-06-20 D7201910.60  1OUSGSSA
1990-08-20 D62610 10.54NGVD291OUSGSSA
1990-08-20 D62611 9.36NAVD881OUSGSSA
1990-08-20 D7201910.46  1OUSGSSA
1990-10-30 D62610 10.76NGVD291OUSGSSA
1990-10-30 D62611 9.58NAVD881OUSGSSA
1990-10-30 D7201910.24  1OUSGSSA
1991-02-2120:30 UTCm62610 10.22NGVD291OUSGSSA
1991-02-2120:30 UTCm62611 9.04NAVD881OUSGSSA
1991-02-2120:30 UTCm7201910.78  1OUSGSSA
1991-03-2017:55 UTCm62610 10.43NGVD291OUSGSSA
1991-03-2017:55 UTCm62611 9.25NAVD881OUSGSSA
1991-03-2017:55 UTCm7201910.57  1OUSGSSA
1991-04-2616:40 UTCm62610 10.51NGVD291OUSGSSA
1991-04-2616:40 UTCm62611 9.33NAVD881OUSGSSA
1991-04-2616:40 UTCm7201910.49  1OUSGSSA
1991-05-2115:40 UTCm62610 10.28NGVD291OUSGSSA
1991-05-2115:40 UTCm62611 9.10NAVD881OUSGSSA
1991-05-2115:40 UTCm7201910.72  1OUSGSSA
1991-06-2420:15 UTCm62610 10.08NGVD291OUSGSSA
1991-06-2420:15 UTCm62611 8.90NAVD881OUSGSSA
1991-06-2420:15 UTCm7201910.92  1OUSGSSA
1991-10-2115:55 UTCm62610 10.04NGVD291OUSGSSA
1991-10-2115:55 UTCm62611 8.86NAVD881OUSGSSA
1991-10-2115:55 UTCm7201910.96  1OUSGSSA
1992-03-1718:15 UTCm62610 10.04NGVD291OUSGSSA
1992-03-1718:15 UTCm62611 8.86NAVD881OUSGSSA
1992-03-1718:15 UTCm7201910.96  1OUSGSSA
1992-07-0115:30 UTCm62610 9.90NGVD291OUSGSSA
1992-07-0115:30 UTCm62611 8.72NAVD881OUSGSSA
1992-07-0115:30 UTCm7201911.10  1OUSGSSA
1993-03-2517:00 UTCm62610 10.97NGVD291OUSGSSA
1993-03-2517:00 UTCm62611 9.79NAVD881OUSGSSA
1993-03-2517:00 UTCm7201910.03  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.