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Groundwater levels for the Nation

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USGS 404508073405601 N 9948. 1

Nassau County, New York
Latitude  40°45'08", Longitude  73°40'56" NAD27
Land-surface elevation 125.0 feet above NGVD29
The depth of the well is 114 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 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
1986-07-2418:00 UTCm62610 42.21NGVD291OUSGSSA
1986-07-2418:00 UTCm62611 41.10NAVD881OUSGSSA
1986-07-2418:00 UTCm7201982.79  1OUSGSSA
1987-09-0317:30 UTCm62610 43.51NGVD291OUSGSSA
1987-09-0317:30 UTCm62611 42.40NAVD881OUSGSSA
1987-09-0317:30 UTCm7201981.49  1OUSGSSA
1991-11-0818:30 UTCm62610 50.14NGVD291OUSGSSA
1991-11-0818:30 UTCm62611 49.03NAVD881OUSGSSA
1991-11-0818:30 UTCm7201974.86  1OUSGSSA
1992-06-0317:13 UTCm62610 48.33NGVD291OUSGSSA
1992-06-0317:13 UTCm62611 47.22NAVD881OUSGSSA
1992-06-0317:13 UTCm7201976.67  1OUSGSSA
1992-12-0316:24 UTCm62610 47.45NGVD291OUSGSSA
1992-12-0316:24 UTCm62611 46.34NAVD881OUSGSSA
1992-12-0316:24 UTCm7201977.55  1OUSGSSA
1993-06-2215:29 UTCm62610 47.74NGVD291OUSGSSA
1993-06-2215:29 UTCm62611 46.63NAVD881OUSGSSA
1993-06-2215:29 UTCm7201977.26  1OUSGSSA
1993-12-2918:30 UTCm62610 46.78NGVD291OUSGSSA
1993-12-2918:30 UTCm62611 45.67NAVD881OUSGSSA
1993-12-2918:30 UTCm7201978.22  1OUSGSSA
1994-06-0720:35 UTCm62610 47.53NGVD291OUSGSSA
1994-06-0720:35 UTCm62611 46.42NAVD881OUSGSSA
1994-06-0720:35 UTCm7201977.47  1OUSGSSA
1994-12-1415:21 UTCm62610 45.83NGVD291OUSGSSA
1994-12-1415:21 UTCm62611 44.72NAVD881OUSGSSA
1994-12-1415:21 UTCm7201979.17  1OUSGSSA
1995-06-1313:53 UTCm62610 45.49NGVD291OUSGSSA
1995-06-1313:53 UTCm62611 44.38NAVD881OUSGSSA
1995-06-1313:53 UTCm7201979.51  1OUSGSSA
1995-12-0515:55 UTCm62610 44.71NGVD291OUSGSSA
1995-12-0515:55 UTCm62611 43.60NAVD881OUSGSSA
1995-12-0515:55 UTCm7201980.29  1OUSGSSA
1996-03-2211:55 UTCm62610 44.81NGVD291OUSGSSA
1996-03-2211:55 UTCm62611 43.70NAVD881OUSGSSA
1996-03-2211:55 UTCm7201980.19  1OUSGSSA
1996-05-1513:00 UTCm62610 45.57NGVD291OUSGSSA
1996-05-1513:00 UTCm62611 44.46NAVD881OUSGSSA
1996-05-1513:00 UTCm7201979.43  1OUSGSSA
1996-09-1014:50 UTCm62610 45.79NGVD291OUSGSSA
1996-09-1014:50 UTCm62611 44.68NAVD881OUSGSSA
1996-09-1014:50 UTCm7201979.21  1OUSGSSA
1996-12-1214:39 UTCm62610 47.18NGVD291OUSGSSA
1996-12-1214:39 UTCm62611 46.07NAVD881OUSGSSA
1996-12-1214:39 UTCm7201977.82  1OUSGSSA

Explanation
SectionCodeDescription
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.