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Groundwater levels for the Nation

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Agency code = usgs
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  • 405036073412401
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USGS 405036073412401 N 12209. 1

Nassau County, New York
Latitude  40°50'36.9", Longitude  73°41'22.7" NAD83
Land-surface elevation 52 feet above NAVD88
The depth of the well is 370 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 North Shore Aquifer (112NTSR) 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
1993-06-2419:35 UTCm62610 9.37NGVD294OUSGSSA
1993-06-2419:35 UTCm62611 8.28NAVD884OUSGSSA
1993-06-2419:35 UTCm7201943.72  4OUSGSSA
1993-10-0518:32 UTCm62610 10.44NGVD294OUSGSSA
1993-10-0518:32 UTCm62611 9.35NAVD884OUSGSSA
1993-10-0518:32 UTCm7201942.65  4OUSGSSA
1993-12-2916:24 UTCm62610 11.13NGVD294OUSGSSA
1993-12-2916:24 UTCm62611 10.04NAVD884OUSGSSA
1993-12-2916:24 UTCm7201941.96  4OUSGSSA
1994-03-3120:43 UTCm62610 11.51NGVD294OUSGSSA
1994-03-3120:43 UTCm62611 10.42NAVD884OUSGSSA
1994-03-3120:43 UTCm7201941.58  4OUSGSSA
1994-06-0715:51 UTCm62610 9.66NGVD294OUSGSSA
1994-06-0715:51 UTCm62611 8.57NAVD884OUSGSSA
1994-06-0715:51 UTCm7201943.43  4OUSGSSA
1994-09-1916:03 UTCm62610 8.33NGVD294OUSGSSA
1994-09-1916:03 UTCm62611 7.24NAVD884OUSGSSA
1994-09-1916:03 UTCm7201944.76  4OUSGSSA
1994-12-1515:17 UTCm62610 11.17NGVD294OUSGSSA
1994-12-1515:17 UTCm62611 10.08NAVD884OUSGSSA
1994-12-1515:17 UTCm7201941.92  4OUSGSSA
1995-03-1617:03 UTCm62610 11.71NGVD294OUSGSSA
1995-03-1617:03 UTCm62611 10.62NAVD884OUSGSSA
1995-03-1617:03 UTCm7201941.38  4OUSGSSA
1995-06-1317:56 UTCm62610 9.39NGVD294OUSGSSA
1995-06-1317:56 UTCm62611 8.30NAVD884OUSGSSA
1995-06-1317:56 UTCm7201943.70  4OUSGSSA
1995-08-2314:55 UTCm62610 8.26NGVD294OUSGSSA
1995-08-2314:55 UTCm62611 7.17NAVD884OUSGSSA
1995-08-2314:55 UTCm7201944.83  4OUSGSSA
1995-12-0517:21 UTCm62610 10.91NGVD294OUSGSSA
1995-12-0517:21 UTCm62611 9.82NAVD884OUSGSSA
1995-12-0517:21 UTCm7201942.18  4OUSGSSA
1996-03-1916:31 UTCm62610 11.05NGVD294OUSGSSA
1996-03-1916:31 UTCm62611 9.96NAVD884OUSGSSA
1996-03-1916:31 UTCm7201942.04  4OUSGSSA
1996-05-1515:18 UTCm62610 10.83NGVD294OUSGSSA
1996-05-1515:18 UTCm62611 9.74NAVD884OUSGSSA
1996-05-1515:18 UTCm7201942.26  4OUSGSSA
1996-09-1115:45 UTCm62610 7.96NGVD294OUSGSSA
1996-09-1115:45 UTCm62611 6.87NAVD884OUSGSSA
1996-09-1115:45 UTCm7201945.13  4OUSGSSA
1996-12-1116:05 UTCm62610 11.35NGVD294OUSGSSA
1996-12-1116:05 UTCm62611 10.26NAVD884OUSGSSA
1996-12-1116:05 UTCm7201941.74  4OUSGSSA
1997-03-1017:17 UTCm62610 11.92NGVD294OUSGSSA
1997-03-1017:17 UTCm62611 10.83NAVD884OUSGSSA
1997-03-1017:17 UTCm7201941.17  4OUSGSSA
1998-03-2715:21 UTCm62610 12.81NGVD294SUSGSSA
1998-03-2715:21 UTCm62611 11.72NAVD884SUSGSSA
1998-03-2715:21 UTCm7201940.28  4SUSGSSA
2010-04-2018:25 UTCm62610 13.99NGVD291S  A
2010-04-2018:25 UTCm62611 12.90NAVD881S  A
2010-04-2018:25 UTCm7201939.10  1S  A
2013-05-1519:53 UTCm62610 12.16NGVD294S  A
2013-05-1519:53 UTCm62611 11.07NAVD884S  A
2013-05-1519:53 UTCm7201940.93  4S  A
2013-07-2917:43 UTCm62610 8.49NGVD291TUSGSSA
2013-07-2917:43 UTCm62611 7.40NAVD881TUSGSSA
2013-07-2917:43 UTCm7201944.60  1TUSGSSA
2014-04-1417:10 UTCm62610 12.80NGVD291S  A
2014-04-1417:10 UTCm62611 11.71NAVD881S  A
2014-04-1417:10 UTCm7201940.29  1S  A
2015-04-1616:56 UTCm62610 13.61NGVD294SUSGSSA
2015-04-1616:56 UTCm62611 12.52NAVD884SUSGSSA
2015-04-1616:56 UTCm7201939.48  4SUSGSSA
2016-04-1819:28 UTCm62610 12.54NGVD291S  A
2016-04-1819:28 UTCm62611 11.45NAVD881S  A
2016-04-1819:28 UTCm7201940.55  1S  A
2017-04-1717:28 UTCm62610 12.91NGVD291VUSGSSA
2017-04-1717:28 UTCm62611 11.82NAVD881VUSGSSA
2017-04-1717:28 UTCm7201940.18  1VUSGSSA
2018-04-1818:00 UTCm62610 13.43NGVD291TUSGSSA
2018-04-1818:00 UTCm62611 12.34NAVD881TUSGSSA
2018-04-1818:00 UTCm7201939.66  1TUSGSSA
2019-05-0215:10 UTCm62610 13.60NGVD291VUSGSSA
2019-05-0215:10 UTCm62611 12.51NAVD881VUSGSSA
2019-05-0215:10 UTCm7201939.49  1VUSGSSA
2020-10-2617:30 UTCm62610 11.04NGVD291VUSGSSA
2020-10-2617:30 UTCm62611 9.95NAVD881VUSGSSA
2020-10-2617:30 UTCm7201942.05  1VUSGSSA
2021-04-2817:06 UTCm62610 12.97NGVD291VUSGSSA
2021-04-2817:06 UTCm62611 11.88NAVD881VUSGSSA
2021-04-2817:06 UTCm7201940.12  1VUSGSSA
2022-05-1618:52 UTCm62610 13.15NGVD291VUSGSSA
2022-05-1618:52 UTCm62611 12.06NAVD881VUSGSSA
2022-05-1618:52 UTCm7201939.94  1VUSGSSA
2022-08-2919:40 UTCm62610 7.73NGVD291VUSGSSA
2022-08-2919:40 UTCm62611 6.64NAVD881VUSGSSA
2022-08-2919:40 UTCm7201945.36  1VUSGSSA
2023-05-1115:44 UTCm62610 11.42NGVD291VUSGSSP
2023-05-1115:44 UTCm62611 10.33NAVD881VUSGSSP
2023-05-1115:44 UTCm7201941.67  1VUSGSSP
2024-05-1020:56 UTCm62610 13.75NGVD291VUSGSSP
2024-05-1020:56 UTCm62611 12.66NAVD881VUSGSSP
2024-05-1020:56 UTCm7201939.34  1VUSGSSP

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
Status4GWTideAffected
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
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.