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Groundwater levels for the Nation

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Agency code = usgs
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  • 404435073420201
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USGS 404435073420201 N 9982. 1

Nassau County, New York
Latitude  40°44'35", Longitude  73°42'02" NAD27
Land-surface elevation 120.0 feet above NGVD29
The depth of the well is 112 feet below land surface.
The depth of the hole is 112 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 Magothy Aquifer (211MAGT) 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
1982-12-1716:30 UTCm62610 31.45NGVD291OUSGSSA
1982-12-1716:30 UTCm62611 30.35NAVD881OUSGSSA
1982-12-1716:30 UTCm7201988.55  1OUSGSSA
1983-04-0616:40 UTCm62610 32.82NGVD291OUSGSSA
1983-04-0616:40 UTCm62611 31.72NAVD881OUSGSSA
1983-04-0616:40 UTCm7201987.18  1OUSGSSA
1983-06-1717:19 UTCm62610 35.30NGVD291OUSGSSA
1983-06-1717:19 UTCm62611 34.20NAVD881OUSGSSA
1983-06-1717:19 UTCm7201984.70  1OUSGSSA
1983-08-11 D62610 35.07NGVD291OUSGSSA
1983-08-11 D62611 33.97NAVD881OUSGSSA
1983-08-11 D7201984.93  1OUSGSSA
1984-04-2418:31 UTCm62610 37.96NGVD291OUSGSSA
1984-04-2418:31 UTCm62611 36.86NAVD881OUSGSSA
1984-04-2418:31 UTCm7201982.04  1OUSGSSA
1987-09-0315:30 UTCm62610 39.83NGVD291OUSGSSA
1987-09-0315:30 UTCm62611 38.73NAVD881OUSGSSA
1987-09-0315:30 UTCm7201980.17  1OUSGSSA
1990-03-2617:30 UTCm62610 43.82NGVD291OUSGSSA
1990-03-2617:30 UTCm62611 42.72NAVD881OUSGSSA
1990-03-2617:30 UTCm7201976.18  1OUSGSSA
1992-07-2014:10 UTCm62610 44.12NGVD291OUSGSSA
1992-07-2014:10 UTCm62611 43.02NAVD881OUSGSSA
1992-07-2014:10 UTCm7201975.88  1OUSGSSA
1992-08-2516:35 UTCm62610 43.95NGVD291OUSGSSA
1992-08-2516:35 UTCm62611 42.85NAVD881OUSGSSA
1992-08-2516:35 UTCm7201976.05  1OUSGSSA
1992-09-1713:37 UTCm62610 43.89NGVD291OUSGSSA
1992-09-1713:37 UTCm62611 42.79NAVD881OUSGSSA
1992-09-1713:37 UTCm7201976.11  1OUSGSSA
1992-10-2718:27 UTCm62610 43.91NGVD291OUSGSSA
1992-10-2718:27 UTCm62611 42.81NAVD881OUSGSSA
1992-10-2718:27 UTCm7201976.09  1OUSGSSA
1992-11-1813:50 UTCm62610 43.89NGVD291OUSGSSA
1992-11-1813:50 UTCm62611 42.79NAVD881OUSGSSA
1992-11-1813:50 UTCm7201976.11  1OUSGSSA
1992-12-2815:18 UTCm62610 43.96NGVD291OUSGSSA
1992-12-2815:18 UTCm62611 42.86NAVD881OUSGSSA
1992-12-2815:18 UTCm7201976.04  1OUSGSSA
1993-01-2119:46 UTCm62610 43.97NGVD291OUSGSSA
1993-01-2119:46 UTCm62611 42.87NAVD881OUSGSSA
1993-01-2119:46 UTCm7201976.03  1OUSGSSA
1993-03-2517:07 UTCm62610 44.18NGVD291OUSGSSA
1993-03-2517:07 UTCm62611 43.08NAVD881OUSGSSA
1993-03-2517:07 UTCm7201975.82  1OUSGSSA
1993-04-3016:22 UTCm62610 44.42NGVD291OUSGSSA
1993-04-3016:22 UTCm62611 43.32NAVD881OUSGSSA
1993-04-3016:22 UTCm7201975.58  1OUSGSSA
1993-05-2417:50 UTCm62610 44.64NGVD291OUSGSSA
1993-05-2417:50 UTCm62611 43.54NAVD881OUSGSSA
1993-05-2417:50 UTCm7201975.36  1OUSGSSA
1993-06-2219:47 UTCm62610 44.74NGVD291OUSGSSA
1993-06-2219:47 UTCm62611 43.64NAVD881OUSGSSA
1993-06-2219:47 UTCm7201975.26  1OUSGSSA
1993-07-2218:55 UTCm62610 44.44NGVD291OUSGSSA
1993-07-2218:55 UTCm62611 43.34NAVD881OUSGSSA
1993-07-2218:55 UTCm7201975.56  1OUSGSSA
1993-08-2413:23 UTCm62610 44.10NGVD291OUSGSSA
1993-08-2413:23 UTCm62611 43.00NAVD881OUSGSSA
1993-08-2413:23 UTCm7201975.90  1OUSGSSA
1993-09-2214:32 UTCm62610 43.84NGVD291OUSGSSA
1993-09-2214:32 UTCm62611 42.74NAVD881OUSGSSA
1993-09-2214:32 UTCm7201976.16  1OUSGSSA
1993-11-2414:55 UTCm62610 43.52NGVD291OUSGSSA
1993-11-2414:55 UTCm62611 42.42NAVD881OUSGSSA
1993-11-2414:55 UTCm7201976.48  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.