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Groundwater levels for the Nation

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USGS 404817073451201 N 12153. 1

Nassau County, New York
Latitude  40°48'17", Longitude  73°45'12" NAD27
Land-surface elevation 59 feet above NAVD88
The depth of the well is 338 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 Lloyd Aquifer (211LLYD) local aquifer.
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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
1993-03-2519:20 UTCm62610 6.19NGVD294OUSGSSA
1993-03-2519:20 UTCm62611 5.11NAVD884OUSGSSA
1993-03-2519:20 UTCm7201953.89  4OUSGSSA
1993-05-0212:41 UTCm62610 -0.13NGVD294OUSGSSA
1993-05-0212:41 UTCm62611 -1.21NAVD884OUSGSSA
1993-05-0212:41 UTCm7201960.21  4OUSGSSA
1993-06-1816:42 UTCm62610 -9.42NGVD294OUSGSSA
1993-06-1816:42 UTCm62611 -10.50NAVD884OUSGSSA
1993-06-1816:42 UTCm7201969.50  4OUSGSSA
1993-09-3018:37 UTCm62610 -2.12NGVD294OUSGSSA
1993-09-3018:37 UTCm62611 -3.20NAVD884OUSGSSA
1993-09-3018:37 UTCm7201962.20  4OUSGSSA
1993-12-2817:20 UTCm62610 1.84NGVD294OUSGSSA
1993-12-2817:20 UTCm62611 0.76NAVD884OUSGSSA
1993-12-2817:20 UTCm7201958.24  4OUSGSSA
1994-03-3018:58 UTCm62610 6.20NGVD294OUSGSSA
1994-03-3018:58 UTCm62611 5.12NAVD884OUSGSSA
1994-03-3018:58 UTCm7201953.88  4OUSGSSA
1994-06-0817:40 UTCm62610 -4.17NGVD294OUSGSSA
1994-06-0817:40 UTCm62611 -5.25NAVD884OUSGSSA
1994-06-0817:40 UTCm7201964.25  4OUSGSSA
1994-09-2017:07 UTCm62610 -0.33NGVD294OUSGSSA
1994-09-2017:07 UTCm62611 -1.41NAVD884OUSGSSA
1994-09-2017:07 UTCm7201960.41  4OUSGSSA
1994-12-1616:17 UTCm62610 6.99NGVD294OUSGSSA
1994-12-1616:17 UTCm62611 5.91NAVD884OUSGSSA
1994-12-1616:17 UTCm7201953.09  4OUSGSSA
1995-03-1514:55 UTCm62610 5.07NGVD294OUSGSSA
1995-03-1514:55 UTCm62611 3.99NAVD884OUSGSSA
1995-03-1514:55 UTCm7201955.01  4OUSGSSA
1995-06-1418:01 UTCm62610 5.57NGVD294OUSGSSA
1995-06-1418:01 UTCm62611 4.49NAVD884OUSGSSA
1995-06-1418:01 UTCm7201954.51  4OUSGSSA
1995-08-2416:15 UTCm62610 -11.56NGVD294OUSGSSA
1995-08-2416:15 UTCm62611 -12.64NAVD884OUSGSSA
1995-08-2416:15 UTCm7201971.64  4OUSGSSA
1995-12-0415:25 UTCm62610 2.64NGVD294OUSGSSA
1995-12-0415:25 UTCm62611 1.56NAVD884OUSGSSA
1995-12-0415:25 UTCm7201957.44  4OUSGSSA
1996-03-2218:50 UTCm62610 -3.43NGVD294OUSGSSA
1996-03-2218:50 UTCm62611 -4.51NAVD884OUSGSSA
1996-03-2218:50 UTCm7201963.51  4OUSGSSA
1996-05-1616:55 UTCm62610 1.01NGVD294OUSGSSA
1996-05-1616:55 UTCm62611 -0.07NAVD884OUSGSSA
1996-05-1616:55 UTCm7201959.07  4OUSGSSA
1996-09-1015:18 UTCm62610 0.52NGVD294OUSGSSA
1996-09-1015:18 UTCm62611 -0.56NAVD884OUSGSSA
1996-09-1015:18 UTCm7201959.56  4OUSGSSA
1997-03-1017:22 UTCm62610 5.49NGVD294OUSGSSA
1997-03-1017:22 UTCm62611 4.41NAVD884OUSGSSA
1997-03-1017:22 UTCm7201954.59  4OUSGSSA
2000-03-2319:20 UTCm62610 0.00NGVD294SUSGSSA
2000-03-2319:20 UTCm62611 -1.08NAVD884SUSGSSA
2000-03-2319:20 UTCm7201960.08  4SUSGSSA
2013-07-2921:35 UTCm62610 -5.11NGVD294VUSGSSA
2013-07-2921:35 UTCm62611 -6.19NAVD884VUSGSSA
2013-07-2921:35 UTCm7201965.19  4VUSGSSA

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
Status4Groundwater level affected by tide
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.