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Groundwater levels for New York

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  • 404323073414401
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USGS 404323073414401 N 11580. 1

Nassau County, New York
Latitude  40°41'36.9", Longitude  73°43'22.6" NAD83
Land-surface elevation 44.5 feet above NGVD29
The depth of the well is 455 feet below land surface.
The depth of the hole is 500 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 Magothy Aquifer (211MAGT) local aquifer.
Output formats
Table of data
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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
1991-03-2120:07 UTCm62610 8.64NGVD291OUSGSSA
1991-03-2120:07 UTCm62611 7.54NAVD881OUSGSSA
1991-03-2120:07 UTCm7201935.86  1OUSGSSA
1992-03-2615:47 UTCm62610 8.90NGVD291OUSGSSA
1992-03-2615:47 UTCm62611 7.80NAVD881OUSGSSA
1992-03-2615:47 UTCm7201935.60  1OUSGSSA
1993-04-0515:06 UTCm62610 8.84NGVD291OUSGSSA
1993-04-0515:06 UTCm62611 7.74NAVD881OUSGSSA
1993-04-0515:06 UTCm7201935.66  1OUSGSSA
1994-03-3017:08 UTCm62610 7.65NGVD291OUSGSSA
1994-03-3017:08 UTCm62611 6.55NAVD881OUSGSSA
1994-03-3017:08 UTCm7201936.85  1OUSGSSA
1995-03-1317:35 UTCm62610 8.18NGVD291OUSGSSA
1995-03-1317:35 UTCm62611 7.08NAVD881OUSGSSA
1995-03-1317:35 UTCm7201936.32  1OUSGSSA
1997-03-1018:57 UTCm62610 7.95NGVD291SUSGSSA
1997-03-1018:57 UTCm62611 6.85NAVD881SUSGSSA
1997-03-1018:57 UTCm7201936.55  1SUSGSSA
1998-03-2318:23 UTCm62610 10.09NGVD291SUSGSSA
1998-03-2318:23 UTCm62611 8.99NAVD881SUSGSSA
1998-03-2318:23 UTCm7201934.41  1SUSGSSA
1999-03-3015:22 UTCm62610 9.05NGVD291SUSGSSA
1999-03-3015:22 UTCm62611 7.95NAVD881SUSGSSA
1999-03-3015:22 UTCm7201935.45  1SUSGSSA
2000-03-2917:10 UTCm62610 8.27NGVD291SUSGSSA
2000-03-2917:10 UTCm62611 7.17NAVD881SUSGSSA
2000-03-2917:10 UTCm7201936.23  1SUSGSSA
2003-04-0215:43 UTCm62610 8.22NGVD291SUSGSSA
2003-04-0215:43 UTCm62611 7.12NAVD881SUSGSSA
2003-04-0215:43 UTCm7201936.28  1SUSGSSA
2004-03-1519:43 UTCm62610 8.20NGVD291SUSGSSA
2004-03-1519:43 UTCm62611 7.10NAVD881SUSGSSA
2004-03-1519:43 UTCm7201936.30  1SUSGSSA
2005-03-1415:50 UTCm62610 10.30NGVD291SUSGSSA
2005-03-1415:50 UTCm62611 9.20NAVD881SUSGSSA
2005-03-1415:50 UTCm7201934.20  1SUSGSSA
2006-03-2019:14 UTCm62610 10.91NGVD291SUSGSSA
2006-03-2019:14 UTCm62611 9.81NAVD881SUSGSSA
2006-03-2019:14 UTCm7201933.59  1SUSGSSA
2007-03-3018:28 UTCm62610 10.85NGVD291SUSGSSA
2007-03-3018:28 UTCm62611 9.75NAVD881SUSGSSA
2007-03-3018:28 UTCm7201933.65  1SUSGSSA
2008-04-1817:04 UTCm62610 10.19NGVD291SUSGSSA
2008-04-1817:04 UTCm62611 9.09NAVD881SUSGSSA
2008-04-1817:04 UTCm7201934.31  1SUSGSSA
2010-04-2116:00 UTCm62610 11.08NGVD291SUSGSSA
2010-04-2116:00 UTCm62611 9.98NAVD881SUSGSSA
2010-04-2116:00 UTCm7201933.42  1SUSGSSA
2012-04-1716:06 UTCm62610 11.30NGVD291SUSGSSA
2012-04-1716:06 UTCm62611 10.20NAVD881SUSGSSA
2012-04-1716:06 UTCm7201933.20  1SUSGSSA
2013-04-1515:01 UTCm62610 11.58NGVD291SUSGSSA
2013-04-1515:01 UTCm62611 10.48NAVD881SUSGSSA
2013-04-1515:01 UTCm7201932.92  1SUSGSSA
2014-04-2317:10 UTCm62610 8.54NGVD291SUSGSSA
2014-04-2317:10 UTCm62611 7.44NAVD881SUSGSSA
2014-04-2317:10 UTCm7201935.96  1SUSGSSA
2015-04-1517:03 UTCm62610 11.60NGVD291SUSGSSA
2015-04-1517:03 UTCm62611 10.50NAVD881SUSGSSA
2015-04-1517:03 UTCm7201932.90  1SUSGSSA
2016-04-1817:02 UTCm62610 9.99NGVD291SUSGSSA
2016-04-1817:02 UTCm62611 8.89NAVD881SUSGSSA
2016-04-1817:02 UTCm7201934.51  1SUSGSSA
2017-04-1716:35 UTCm62610 11.64NGVD291TUSGSSA
2017-04-1716:35 UTCm62611 10.54NAVD881TUSGSSA
2017-04-1716:35 UTCm7201932.86  1TUSGSSA
2018-04-1817:39 UTCm62610 11.59NGVD291VUSGSSA
2018-04-1817:39 UTCm62611 10.49NAVD881VUSGSSA
2018-04-1817:39 UTCm7201932.91  1VUSGSSA
2020-10-1916:17 UTCm62610 6.19NGVD291VUSGSSP
2020-10-1916:17 UTCm62611 5.09NAVD881VUSGSSP
2020-10-1916:17 UTCm7201938.31  1VUSGSSP
2021-04-2216:45 UTCm62610 9.54NGVD291VUSGSSP
2021-04-2216:45 UTCm62611 8.44NAVD881VUSGSSP
2021-04-2216:45 UTCm7201934.96  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
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.