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Groundwater levels for the Nation

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Agency code = usgs
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  • 405313073332003
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USGS 405313073332003 N 12697. 1

Nassau County, New York
Latitude  40°53'13", Longitude  73°33'20" NAD27
Land-surface elevation 143 feet above NGVD29
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Date Time
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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
?
 
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measurement
?
 
Water-level
approval
status
1996-09-1016:00 UTCm62610 20.50NGVD294OUSGSSA
1996-09-1016:00 UTCm62611 19.43NAVD884OUSGSSA
1996-09-1016:00 UTCm72019122.50  4OUSGSSA
1996-12-1218:25 UTCm62610 25.49NGVD294OUSGSSA
1996-12-1218:25 UTCm62611 24.42NAVD884OUSGSSA
1996-12-1218:25 UTCm72019117.51  4OUSGSSA
1997-02-2114:20 UTCm62610 25.98NGVD294SUSGSSA
1997-02-2114:20 UTCm62611 24.91NAVD884SUSGSSA
1997-02-2114:20 UTCm72019117.02  4SUSGSSA
1997-03-1118:27 UTCm62610 25.62NGVD294OUSGSSA
1997-03-1118:27 UTCm62611 24.55NAVD884OUSGSSA
1997-03-1118:27 UTCm72019117.38  4OUSGSSA
1997-05-2215:58 UTCm62610 24.04NGVD294OUSGSSA
1997-05-2215:58 UTCm62611 22.97NAVD884OUSGSSA
1997-05-2215:58 UTCm72019118.96  4OUSGSSA
1997-06-1914:51 UTCm62610 21.52NGVD291OUSGSSA
1997-06-1914:51 UTCm62611 20.45NAVD881OUSGSSA
1997-06-1914:51 UTCm72019121.48  1OUSGSSA
1997-07-2318:31 UTCm62610 17.97NGVD294OUSGSSA
1997-07-2318:31 UTCm62611 16.90NAVD884OUSGSSA
1997-07-2318:31 UTCm72019125.03  4OUSGSSA
1997-08-1916:10 UTCm62610 20.18NGVD291OUSGSSA
1997-08-1916:10 UTCm62611 19.11NAVD881OUSGSSA
1997-08-1916:10 UTCm72019122.82  1OUSGSSA
1997-08-2118:15 UTCm62610 21.49NGVD294OUSGSSA
1997-08-2118:15 UTCm62611 20.42NAVD884OUSGSSA
1997-08-2118:15 UTCm72019121.51  4OUSGSSA
1997-09-1717:55 UTCm62610 22.11NGVD294OUSGSSA
1997-09-1717:55 UTCm62611 21.04NAVD884OUSGSSA
1997-09-1717:55 UTCm72019120.89  4OUSGSSA
1997-10-2813:33 UTCm62610 24.33NGVD294SUSGSSA
1997-10-2813:33 UTCm62611 23.26NAVD884SUSGSSA
1997-10-2813:33 UTCm72019118.67  4SUSGSSA
1997-11-2513:03 UTCm62610 25.37NGVD294SUSGSSA
1997-11-2513:03 UTCm62611 24.30NAVD884SUSGSSA
1997-11-2513:03 UTCm72019117.63  4SUSGSSA
1997-12-1516:16 UTCm62610 25.40NGVD294SUSGSSA
1997-12-1516:16 UTCm62611 24.33NAVD884SUSGSSA
1997-12-1516:16 UTCm72019117.60  4SUSGSSA
1998-01-1517:21 UTCm62610 25.64NGVD294SUSGSSA
1998-01-1517:21 UTCm62611 24.57NAVD884SUSGSSA
1998-01-1517:21 UTCm72019117.36  4SUSGSSA
1998-02-2615:07 UTCm62610 26.33NGVD294SUSGSSA
1998-02-2615:07 UTCm62611 25.26NAVD884SUSGSSA
1998-02-2615:07 UTCm72019116.67  4SUSGSSA
1998-03-3018:35 UTCm62610 25.86NGVD294SUSGSSA
1998-03-3018:35 UTCm62611 24.79NAVD884SUSGSSA
1998-03-3018:35 UTCm72019117.14  4SUSGSSA
1998-04-2716:07 UTCm62610 25.60NGVD294SUSGSSA
1998-04-2716:07 UTCm62611 24.53NAVD884SUSGSSA
1998-04-2716:07 UTCm72019117.40  4SUSGSSA
1998-05-2817:46 UTCm62610 21.93NGVD294SUSGSSA
1998-05-2817:46 UTCm62611 20.86NAVD884SUSGSSA
1998-05-2817:46 UTCm72019121.07  4SUSGSSA
1998-06-2516:25 UTCm62610 21.82NGVD294SUSGSSA
1998-06-2516:25 UTCm62611 20.75NAVD884SUSGSSA
1998-06-2516:25 UTCm72019121.18  4SUSGSSA
1998-07-2012:53 UTCm62610 18.71NGVD294SUSGSSA
1998-07-2012:53 UTCm62611 17.64NAVD884SUSGSSA
1998-07-2012:53 UTCm72019124.29  4SUSGSSA
1998-08-2417:03 UTCm62610 19.29NGVD294SUSGSSA
1998-08-2417:03 UTCm62611 18.22NAVD884SUSGSSA
1998-08-2417:03 UTCm72019123.71  4SUSGSSA
1998-09-1814:27 UTCm62610 20.64NGVD294SUSGSSA
1998-09-1814:27 UTCm62611 19.57NAVD884SUSGSSA
1998-09-1814:27 UTCm72019122.36  4SUSGSSA
1998-10-1915:28 UTCm62610 24.43NGVD294SUSGSSA
1998-10-1915:28 UTCm62611 23.36NAVD884SUSGSSA
1998-10-1915:28 UTCm72019118.57  4SUSGSSA
1998-11-1714:28 UTCm62610 25.77NGVD294SUSGSSA
1998-11-1714:28 UTCm62611 24.70NAVD884SUSGSSA
1998-11-1714:28 UTCm72019117.23  4SUSGSSA
1998-12-1513:53 UTCm62610 26.03NGVD294SUSGSSA
1998-12-1513:53 UTCm62611 24.96NAVD884SUSGSSA
1998-12-1513:53 UTCm72019116.97  4SUSGSSA
2013-07-1719:42 UTCm62610 16.88NGVD291TUSGSSA
2013-07-1719:42 UTCm62611 15.81NAVD881TUSGSSA
2013-07-1719:42 UTCm72019126.12  1TUSGSSA
2013-07-2922:42 UTCm62610 18.67NGVD294TUSGSSA
2013-07-2922:42 UTCm62611 17.60NAVD884TUSGSSA
2013-07-2922:42 UTCm72019124.33  4TUSGSSA
2016-05-2417:40 UTCm62610 20.64NGVD294TUSGSSA
2016-05-2417:40 UTCm62611 19.57NAVD884TUSGSSA
2016-05-2417:40 UTCm72019122.36  4TUSGSSA
2023-04-1815:15 UTCm62610 25.08NGVD294VUSGSSA
2023-04-1815:15 UTCm62611 24.01NAVD884VUSGSSA
2023-04-1815:15 UTCm72019117.92  4VUSGSSA
2024-05-0614:38 UTCm62610 25.76NGVD294VUSGSSP
2024-05-0614:38 UTCm62611 24.69NAVD884VUSGSSP
2024-05-0614:38 UTCm72019117.24  4VUSGSSP

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.
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.
Water-level approval statusPProvisional data subject to revision.