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Groundwater levels for the Nation

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USGS 404319073432901 N 9947. 1

Nassau County, New York
Latitude  40°43'19", Longitude  73°43'29" NAD27
Land-surface elevation 81.7 feet above NGVD29
The depth of the well is 109 feet below land surface.
The depth of the hole is 120 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
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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
1982-12-2115:09 UTCm62610 13.71NGVD291OUSGSSA
1982-12-2115:09 UTCm62611 12.61NAVD881OUSGSSA
1982-12-2115:09 UTCm7201967.99  1OUSGSSA
1983-04-0815:55 UTCm62610 12.02NGVD291OUSGSSA
1983-04-0815:55 UTCm62611 10.92NAVD881OUSGSSA
1983-04-0815:55 UTCm7201969.68  1OUSGSSA
1983-07-0714:25 UTCm62610 14.13NGVD291OUSGSSA
1983-07-0714:25 UTCm62611 13.03NAVD881OUSGSSA
1983-07-0714:25 UTCm7201967.57  1OUSGSSA
1983-08-26 D62610 15.04NGVD291OUSGSSA
1983-08-26 D62611 13.94NAVD881OUSGSSA
1983-08-26 D7201966.66  1OUSGSSA
1984-05-0415:45 UTCm62610 16.54NGVD291OUSGSSA
1984-05-0415:45 UTCm62611 15.44NAVD881OUSGSSA
1984-05-0415:45 UTCm7201965.16  1OUSGSSA
1987-10-0618:30 UTCm62610 21.33NGVD291OUSGSSA
1987-10-0618:30 UTCm62611 20.23NAVD881OUSGSSA
1987-10-0618:30 UTCm7201960.37  1OUSGSSA
1990-03-2618:38 UTCm62610 27.50NGVD291OUSGSSA
1990-03-2618:38 UTCm62611 26.40NAVD881OUSGSSA
1990-03-2618:38 UTCm7201954.20  1OUSGSSA
1991-03-2018:10 UTCm62610 30.15NGVD291OUSGSSA
1991-03-2018:10 UTCm62611 29.05NAVD881OUSGSSA
1991-03-2018:10 UTCm7201951.55  1OUSGSSA
1992-03-1617:43 UTCm62610 29.61NGVD291OUSGSSA
1992-03-1617:43 UTCm62611 28.51NAVD881OUSGSSA
1992-03-1617:43 UTCm7201952.09  1OUSGSSA
1992-07-2014:52 UTCm62610 28.98NGVD291OUSGSSA
1992-07-2014:52 UTCm62611 27.88NAVD881OUSGSSA
1992-07-2014:52 UTCm7201952.72  1OUSGSSA
1992-08-2516:07 UTCm62610 28.89NGVD291OUSGSSA
1992-08-2516:07 UTCm62611 27.79NAVD881OUSGSSA
1992-08-2516:07 UTCm7201952.81  1OUSGSSA
1992-09-1713:55 UTCm62610 28.84NGVD291OUSGSSA
1992-09-1713:55 UTCm62611 27.74NAVD881OUSGSSA
1992-09-1713:55 UTCm7201952.86  1OUSGSSA
1992-10-2718:09 UTCm62610 28.78NGVD291OUSGSSA
1992-10-2718:09 UTCm62611 27.68NAVD881OUSGSSA
1992-10-2718:09 UTCm7201952.92  1OUSGSSA
1992-11-1814:03 UTCm62610 28.61NGVD291OUSGSSA
1992-11-1814:03 UTCm62611 27.51NAVD881OUSGSSA
1992-11-1814:03 UTCm7201953.09  1OUSGSSA
1992-12-2816:05 UTCm62610 28.56NGVD291OUSGSSA
1992-12-2816:05 UTCm62611 27.46NAVD881OUSGSSA
1992-12-2816:05 UTCm7201953.14  1OUSGSSA
1993-01-2119:26 UTCm62610 28.66NGVD291OUSGSSA
1993-01-2119:26 UTCm62611 27.56NAVD881OUSGSSA
1993-01-2119:26 UTCm7201953.04  1OUSGSSA
1993-03-2318:29 UTCm62610 28.89NGVD291OUSGSSA
1993-03-2318:29 UTCm62611 27.79NAVD881OUSGSSA
1993-03-2318:29 UTCm7201952.81  1OUSGSSA
1993-03-2517:20 UTCm62610 28.90NGVD291OUSGSSA
1993-03-2517:20 UTCm62611 27.80NAVD881OUSGSSA
1993-03-2517:20 UTCm7201952.80  1OUSGSSA
1993-04-3016:37 UTCm62610 29.49NGVD291OUSGSSA
1993-04-3016:37 UTCm62611 28.39NAVD881OUSGSSA
1993-04-3016:37 UTCm7201952.21  1OUSGSSA
1993-05-2417:37 UTCm62610 29.87NGVD291OUSGSSA
1993-05-2417:37 UTCm62611 28.77NAVD881OUSGSSA
1993-05-2417:37 UTCm7201951.83  1OUSGSSA
1993-06-2219:36 UTCm62610 29.88NGVD291OUSGSSA
1993-06-2219:36 UTCm62611 28.78NAVD881OUSGSSA
1993-06-2219:36 UTCm7201951.82  1OUSGSSA
1993-07-2218:43 UTCm62610 29.44NGVD291OUSGSSA
1993-07-2218:43 UTCm62611 28.34NAVD881OUSGSSA
1993-07-2218:43 UTCm7201952.26  1OUSGSSA
1993-09-2214:47 UTCm62610 28.52NGVD291OUSGSSA
1993-09-2214:47 UTCm62611 27.42NAVD881OUSGSSA
1993-09-2214:47 UTCm7201953.18  1OUSGSSA
1993-11-2415:13 UTCm62610 28.12NGVD291OUSGSSA
1993-11-2415:13 UTCm62611 27.02NAVD881OUSGSSA
1993-11-2415:13 UTCm7201953.58  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.