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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
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  • 405436073333801
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USGS 405436073333801 N 12618. 1

Nassau County, New York
Latitude  40°54'36", Longitude  73°33'38" NAD27
Land-surface elevation 32.5 feet above NGVD29
The depth of the well is 410 feet below land surface.
The depth of the hole is 430 feet below land surface.
Output formats
Table of data
Tab-separated data
Graph of data
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
1995-12-0717:15 UTCm62610 8.35NGVD294OUSGSSA
1995-12-0717:15 UTCm62611 7.27NAVD884OUSGSSA
1995-12-0717:15 UTCm7201924.15  4OUSGSSA
1996-03-1916:55 UTCm62610 8.46NGVD294OUSGSSA
1996-03-1916:55 UTCm62611 7.38NAVD884OUSGSSA
1996-03-1916:55 UTCm7201924.04  4OUSGSSA
1996-05-1516:00 UTCm62610 5.87NGVD294OUSGSSA
1996-05-1516:00 UTCm62611 4.79NAVD884OUSGSSA
1996-05-1516:00 UTCm7201926.63  4OUSGSSA
1996-09-1118:05 UTCm62610 -0.65NGVD291OUSGSSA
1996-09-1118:05 UTCm62611 -1.73NAVD881OUSGSSA
1996-09-1118:05 UTCm7201933.15  1OUSGSSA
1996-12-1217:30 UTCm62610 7.39NGVD294OUSGSSA
1996-12-1217:30 UTCm62611 6.31NAVD884OUSGSSA
1996-12-1217:30 UTCm7201925.11  4OUSGSSA
1997-03-1119:28 UTCm62610 8.61NGVD294OUSGSSA
1997-03-1119:28 UTCm62611 7.53NAVD884OUSGSSA
1997-03-1119:28 UTCm7201923.89  4OUSGSSA
1997-05-2216:51 UTCm62610 3.90NGVD294OUSGSSA
1997-05-2216:51 UTCm62611 2.82NAVD884OUSGSSA
1997-05-2216:51 UTCm7201928.60  4OUSGSSA
1997-07-2319:45 UTCm62610 -1.15NGVD294OUSGSSA
1997-07-2319:45 UTCm62611 -2.23NAVD884OUSGSSA
1997-07-2319:45 UTCm7201933.65  4OUSGSSA
1997-08-2119:20 UTCm62610 1.73NGVD294OUSGSSA
1997-08-2119:20 UTCm62611 0.65NAVD884OUSGSSA
1997-08-2119:20 UTCm7201930.77  4OUSGSSA
1997-09-1717:05 UTCm62610 0.69NGVD294OUSGSSA
1997-09-1717:05 UTCm62611 -0.39NAVD884OUSGSSA
1997-09-1717:05 UTCm7201931.81  4OUSGSSA
2013-07-3022:50 UTCm62610 -5.01NGVD294VUSGSSA
2013-07-3022:50 UTCm62611 -6.09NAVD884VUSGSSA
2013-07-3022:50 UTCm7201937.51  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
Status1Static
Status4Groundwater level affected by tide
Method of measurementOObserved.
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.