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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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  • 405307073354601
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USGS 405307073354601 N 12665. 1

Nassau County, New York
Latitude  40°53'06.7", Longitude  73°35'43.5" NAD83
Land-surface elevation 89 feet above NGVD29
The depth of the well is 390 feet below land surface.
The depth of the hole is 394 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
1996-05-1616:25 UTCm62610 17.78NGVD294OUSGSSA
1996-05-1616:25 UTCm62611 16.71NAVD884OUSGSSA
1996-05-1616:25 UTCm7201971.22  4OUSGSSA
1996-09-1116:05 UTCm62610 11.89NGVD294OUSGSSA
1996-09-1116:05 UTCm62611 10.82NAVD884OUSGSSA
1996-09-1116:05 UTCm7201977.11  4OUSGSSA
1996-12-1217:10 UTCm62610 21.61NGVD294OUSGSSA
1996-12-1217:10 UTCm62611 20.54NAVD884OUSGSSA
1996-12-1217:10 UTCm7201967.39  4OUSGSSA
1997-03-1118:08 UTCm62610 23.23NGVD294OUSGSSA
1997-03-1118:08 UTCm62611 22.16NAVD884OUSGSSA
1997-03-1118:08 UTCm7201965.77  4OUSGSSA
1997-05-2217:40 UTCm62610 22.45NGVD294OUSGSSA
1997-05-2217:40 UTCm62611 21.38NAVD884OUSGSSA
1997-05-2217:40 UTCm7201966.55  4OUSGSSA
1997-05-2217:41 UTCm62610 22.45NGVD294OUSGSSA
1997-05-2217:41 UTCm62611 21.38NAVD884OUSGSSA
1997-05-2217:41 UTCm7201966.55  4OUSGSSA
1997-07-2320:42 UTCm62610 14.85NGVD291OUSGSSA
1997-07-2320:42 UTCm62611 13.78NAVD881OUSGSSA
1997-07-2320:42 UTCm7201974.15  1OUSGSSA
1997-08-2017:23 UTCm62610 17.26NGVD294OUSGSSA
1997-08-2017:23 UTCm62611 16.19NAVD884OUSGSSA
1997-08-2017:23 UTCm7201971.74  4OUSGSSA
1997-09-1615:23 UTCm62610 19.97NGVD294OUSGSSA
1997-09-1615:23 UTCm62611 18.90NAVD884OUSGSSA
1997-09-1615:23 UTCm7201969.03  4OUSGSSA
2005-04-0121:41 UTCm62610 26.08NGVD291SUSGSSA
2005-04-0121:41 UTCm62611 25.01NAVD881SUSGSSA
2005-04-0121:41 UTCm7201962.92  1SUSGSSA
2006-03-3014:50 UTCm62610 17.03NGVD291SUSGSSA
2006-03-3014:50 UTCm62611 15.96NAVD881SUSGSSA
2006-03-3014:50 UTCm7201971.97  1SUSGSSA
2007-03-2719:11 UTCm62610 24.24NGVD291SUSGSSA
2007-03-2719:11 UTCm62611 23.17NAVD881SUSGSSA
2007-03-2719:11 UTCm7201964.76  1SUSGSSA
2008-04-2214:11 UTCm62610 20.85NGVD291S  A
2008-04-2214:11 UTCm62611 19.78NAVD881S  A
2008-04-2214:11 UTCm7201968.15  1S  A
2008-10-2113:39 UTCm62610 21.18NGVD291S  A
2008-10-2113:39 UTCm62611 20.11NAVD881S  A
2008-10-2113:39 UTCm7201967.82  1S  A
2008-12-0114:27 UTCm62610 24.97NGVD291S  A
2008-12-0114:27 UTCm62611 23.90NAVD881S  A
2008-12-0114:27 UTCm7201964.03  1S  A
2009-04-2316:15 UTCm62610 23.28NGVD291S  A
2009-04-2316:15 UTCm62611 22.21NAVD881S  A
2009-04-2316:15 UTCm7201965.72  1S  A
2010-04-2215:34 UTCm62610 23.44NGVD291SUSGSSA
2010-04-2215:34 UTCm62611 22.37NAVD881SUSGSSA
2010-04-2215:34 UTCm7201965.56  1SUSGSSA
2011-04-1519:34 UTCm62610 23.98NGVD291SUSGSSA
2011-04-1519:34 UTCm62611 22.91NAVD881SUSGSSA
2011-04-1519:34 UTCm7201965.02  1SUSGSSA
2013-04-1718:04 UTCm62610 22.84NGVD291SUSGSSA
2013-04-1718:04 UTCm62611 21.77NAVD881SUSGSSA
2013-04-1718:04 UTCm7201966.16  1SUSGSSA
2013-07-1717:51 UTCm62610 11.39NGVD291TUSGSSA
2013-07-1717:51 UTCm62611 10.32NAVD881TUSGSSA
2013-07-1717:51 UTCm7201977.61  1TUSGSSA
2013-07-3021:51 UTCm62610 10.82NGVD294TUSGSSA
2013-07-3021:51 UTCm62611 9.75NAVD884TUSGSSA
2013-07-3021:51 UTCm7201978.18  4TUSGSSA
2014-04-1419:10 UTCm62610 22.40NGVD291SUSGSSA
2014-04-1419:10 UTCm62611 21.33NAVD881SUSGSSA
2014-04-1419:10 UTCm7201966.60  1SUSGSSA
2015-04-1619:37 UTCm62610 21.91NGVD291SUSGSSA
2015-04-1619:37 UTCm62611 20.84NAVD881SUSGSSA
2015-04-1619:37 UTCm7201967.09  1SUSGSSA
2016-04-1821:35 UTCm62610 20.51NGVD291S  A
2016-04-1821:35 UTCm62611 19.44NAVD881S  A
2016-04-1821:35 UTCm7201968.49  1S  A
2017-04-1719:30 UTCm62610 21.77NGVD291VUSGSSA
2017-04-1719:30 UTCm62611 20.70NAVD881VUSGSSA
2017-04-1719:30 UTCm7201967.23  1VUSGSSA
2018-04-1819:15 UTCm62610 21.82NGVD291TUSGSSA
2018-04-1819:15 UTCm62611 20.75NAVD881TUSGSSA
2018-04-1819:15 UTCm7201967.18  1TUSGSSA
2019-04-2219:30 UTCm62610 21.18NGVD291VUSGSSA
2019-04-2219:30 UTCm62611 20.11NAVD881VUSGSSA
2019-04-2219:30 UTCm7201967.82  1VUSGSSA
2021-04-2818:24 UTCm62610 19.63NGVD291VUSGSSA
2021-04-2818:24 UTCm62611 18.56NAVD881VUSGSSA
2021-04-2818:24 UTCm7201969.37  1VUSGSSA
2022-05-1617:40 UTCm62610 15.17NGVD291VUSGSSA
2022-05-1617:40 UTCm62611 14.10NAVD881VUSGSSA
2022-05-1617:40 UTCm7201973.83  1VUSGSSA
2023-05-1117:34 UTCm62610 13.06NGVD291VUSGSSP
2023-05-1117:34 UTCm62611 11.99NAVD881VUSGSSP
2023-05-1117:34 UTCm7201975.94  1VUSGSSP
2024-05-1023:45 UTCm62610 18.84NGVD291VUSGSSP
2024-05-1023:45 UTCm62611 17.77NAVD881VUSGSSP
2024-05-1023:45 UTCm7201970.16  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.