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Groundwater levels for the Nation

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USGS 405123073404401 N 12343. 1

Nassau County, New York
Latitude  40°51'23", Longitude  73°40'44" NAD27
Land-surface elevation 62 feet above NAVD88
The depth of the well is 259 feet below land surface.
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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
1993-12-2916:20 UTCm62610 11.34NGVD294OUSGSSA
1993-12-2916:20 UTCm62611 10.25NAVD884OUSGSSA
1993-12-2916:20 UTCm7201951.75  4OUSGSSA
1994-04-0121:35 UTCm62610 12.20NGVD294OUSGSSA
1994-04-0121:35 UTCm62611 11.11NAVD884OUSGSSA
1994-04-0121:35 UTCm7201950.89  4OUSGSSA
1994-06-0716:07 UTCm62610 12.62NGVD294OUSGSSA
1994-06-0716:07 UTCm62611 11.53NAVD884OUSGSSA
1994-06-0716:07 UTCm7201950.47  4OUSGSSA
1994-09-1916:20 UTCm62610 11.79NGVD294OUSGSSA
1994-09-1916:20 UTCm62611 10.70NAVD884OUSGSSA
1994-09-1916:20 UTCm7201951.30  4OUSGSSA
1994-12-1515:39 UTCm62610 11.35NGVD294OUSGSSA
1994-12-1515:39 UTCm62611 10.26NAVD884OUSGSSA
1994-12-1515:39 UTCm7201951.74  4OUSGSSA
1995-03-1616:43 UTCm62610 11.33NGVD294OUSGSSA
1995-03-1616:43 UTCm62611 10.24NAVD884OUSGSSA
1995-03-1616:43 UTCm7201951.76  4OUSGSSA
1995-06-1317:42 UTCm62610 11.17NGVD294OUSGSSA
1995-06-1317:42 UTCm62611 10.08NAVD884OUSGSSA
1995-06-1317:42 UTCm7201951.92  4OUSGSSA
1995-08-2316:39 UTCm62610 10.76NGVD294OUSGSSA
1995-08-2316:39 UTCm62611 9.67NAVD884OUSGSSA
1995-08-2316:39 UTCm7201952.33  4OUSGSSA
1995-12-0517:07 UTCm62610 10.50NGVD294OUSGSSA
1995-12-0517:07 UTCm62611 9.41NAVD884OUSGSSA
1995-12-0517:07 UTCm7201952.59  4OUSGSSA
1996-03-1916:49 UTCm62610 11.18NGVD294OUSGSSA
1996-03-1916:49 UTCm62611 10.09NAVD884OUSGSSA
1996-03-1916:49 UTCm7201951.91  4OUSGSSA
1996-05-1515:33 UTCm62610 11.95NGVD294OUSGSSA
1996-05-1515:33 UTCm62611 10.86NAVD884OUSGSSA
1996-05-1515:33 UTCm7201951.14  4OUSGSSA
1996-12-1116:20 UTCm62610 12.04NGVD294OUSGSSA
1996-12-1116:20 UTCm62611 10.95NAVD884OUSGSSA
1996-12-1116:20 UTCm7201951.05  4OUSGSSA
1997-03-1017:25 UTCm62610 12.59NGVD294OUSGSSA
1997-03-1017:25 UTCm62611 11.50NAVD884OUSGSSA
1997-03-1017:25 UTCm7201950.50  4OUSGSSA
2004-03-2318:56 UTCm62610 12.54NGVD294SUSGSSA
2004-03-2318:56 UTCm62611 11.45NAVD884SUSGSSA
2004-03-2318:56 UTCm7201950.55  4SUSGSSA
2005-03-2415:31 UTCm62610 12.74NGVD294SUSGSSA
2005-03-2415:31 UTCm62611 11.65NAVD884SUSGSSA
2005-03-2415:31 UTCm7201950.35  4SUSGSSA
2013-07-2317:23 UTCm62610 12.15NGVD291TUSGSSA
2013-07-2317:23 UTCm62611 11.06NAVD881TUSGSSA
2013-07-2317:23 UTCm7201950.94  1TUSGSSA
2013-07-2321:30 UTCm62610 12.08NGVD294SUSGSSA
2013-07-2321:30 UTCm62611 10.99NAVD884SUSGSSA
2013-07-2321:30 UTCm7201951.01  4SUSGSSA
2016-05-2315:16 UTCm62610 11.47NGVD291TUSGSSA
2016-05-2315:16 UTCm62611 10.38NAVD881TUSGSSA
2016-05-2315:16 UTCm7201951.62  1TUSGSSA

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
Status4Groundwater level affected by tide
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-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.