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Groundwater levels for the Nation

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USGS 404913073435301 N 12112. 1

Nassau County, New York
Latitude  40°49'13", Longitude  73°43'53" NAD27
Land-surface elevation 24 feet above NGVD29
The depth of the well is 315 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
1992-08-2514:40 UTCm62610 -4.73NGVD291OUSGSSA
1992-08-2514:40 UTCm62611 -5.81NAVD881OUSGSSA
1992-08-2514:40 UTCm7201928.73  1OUSGSSA
1992-12-0815:17 UTCm62610 -1.30NGVD291OUSGSSA
1992-12-0815:17 UTCm62611 -2.38NAVD881OUSGSSA
1992-12-0815:17 UTCm7201925.30  1OUSGSSA
1993-03-2518:10 UTCm62610 0.98NGVD291OUSGSSA
1993-03-2518:10 UTCm62611 -0.10NAVD881OUSGSSA
1993-03-2518:10 UTCm7201923.02  1OUSGSSA
1993-05-0212:09 UTCm62610 4.26NGVD291OUSGSSA
1993-05-0212:09 UTCm62611 3.18NAVD881OUSGSSA
1993-05-0212:09 UTCm7201919.74  1OUSGSSA
1993-06-1815:52 UTCm62610 -7.93NGVD291OUSGSSA
1993-06-1815:52 UTCm62611 -9.01NAVD881OUSGSSA
1993-06-1815:52 UTCm7201931.93  1OUSGSSA
1993-09-3017:19 UTCm62610 5.72NGVD291OUSGSSA
1993-09-3017:19 UTCm62611 4.64NAVD881OUSGSSA
1993-09-3017:19 UTCm7201918.28  1OUSGSSA
1993-12-2816:27 UTCm62610 0.79NGVD291OUSGSSA
1993-12-2816:27 UTCm62611 -0.29NAVD881OUSGSSA
1993-12-2816:27 UTCm7201923.21  1OUSGSSA
1994-03-3017:03 UTCm62610 -1.03NGVD291OUSGSSA
1994-03-3017:03 UTCm62611 -2.11NAVD881OUSGSSA
1994-03-3017:03 UTCm7201925.03  1OUSGSSA
1994-06-0819:23 UTCm62610 -6.33NGVD291OUSGSSA
1994-06-0819:23 UTCm62611 -7.41NAVD881OUSGSSA
1994-06-0819:23 UTCm7201930.33  1OUSGSSA
1994-09-2015:57 UTCm62610 -8.60NGVD291OUSGSSA
1994-09-2015:57 UTCm62611 -9.68NAVD881OUSGSSA
1994-09-2015:57 UTCm7201932.60  1OUSGSSA
1994-12-1617:35 UTCm62610 7.25NGVD291OUSGSSA
1994-12-1617:35 UTCm62611 6.17NAVD881OUSGSSA
1994-12-1617:35 UTCm7201916.75  1OUSGSSA
1995-03-1520:50 UTCm62610 8.75NGVD291OUSGSSA
1995-03-1520:50 UTCm62611 7.67NAVD881OUSGSSA
1995-03-1520:50 UTCm7201915.25  1OUSGSSA
1995-06-1419:12 UTCm62610 0.07NGVD291OUSGSSA
1995-06-1419:12 UTCm62611 -1.01NAVD881OUSGSSA
1995-06-1419:12 UTCm7201923.93  1OUSGSSA
1995-08-2414:55 UTCm62610 -8.30NGVD291OUSGSSA
1995-08-2414:55 UTCm62611 -9.38NAVD881OUSGSSA
1995-08-2414:55 UTCm7201932.30  1OUSGSSA
1995-12-0420:08 UTCm62610 6.02NGVD291OUSGSSA
1995-12-0420:08 UTCm62611 4.94NAVD881OUSGSSA
1995-12-0420:08 UTCm7201917.98  1OUSGSSA
1996-03-2217:02 UTCm62610 5.42NGVD291OUSGSSA
1996-03-2217:02 UTCm62611 4.34NAVD881OUSGSSA
1996-03-2217:02 UTCm7201918.58  1OUSGSSA
1996-05-1618:33 UTCm62610 -3.75NGVD291OUSGSSA
1996-05-1618:33 UTCm62611 -4.83NAVD881OUSGSSA
1996-05-1618:33 UTCm7201927.75  1OUSGSSA
1996-09-1019:12 UTCm62610 -7.98NGVD291OUSGSSA
1996-09-1019:12 UTCm62611 -9.06NAVD881OUSGSSA
1996-09-1019:12 UTCm7201931.98  1OUSGSSA
1997-03-1017:40 UTCm62610 3.53NGVD291OUSGSSA
1997-03-1017:40 UTCm62611 2.45NAVD881OUSGSSA
1997-03-1017:40 UTCm7201920.47  1OUSGSSA
2013-07-2921:24 UTCm62610 0.67NGVD294VUSGSSA
2013-07-2921:24 UTCm62611 -0.41NAVD884VUSGSSA
2013-07-2921:24 UTCm7201923.33  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.