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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 405317073375401
Minimum number of levels = 1
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USGS 405317073375401 N 12635. 1

Nassau County, New York
Latitude  40°53'17", Longitude  73°37'54" NAD27
Land-surface elevation 91 feet above NGVD29
The depth of the well is 453 feet below land surface.
The depth of the hole is 453 feet below land surface.
Output formats
Table of data
Tab-separated 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
1995-12-0616:41 UTCm62610 12.37NGVD294OUSGSSA
1995-12-0616:41 UTCm62611 11.29NAVD884OUSGSSA
1995-12-0616:41 UTCm7201978.63  4OUSGSSA
1996-03-1917:19 UTCm62610 9.70NGVD294OUSGSSA
1996-03-1917:19 UTCm62611 8.62NAVD884OUSGSSA
1996-03-1917:19 UTCm7201981.30  4OUSGSSA
1996-05-1716:40 UTCm62610 10.88NGVD294OUSGSSA
1996-05-1716:40 UTCm62611 9.80NAVD884OUSGSSA
1996-05-1716:40 UTCm7201980.12  4OUSGSSA
1996-09-1116:35 UTCm62610 3.57NGVD294OUSGSSA
1996-09-1116:35 UTCm62611 2.49NAVD884OUSGSSA
1996-09-1116:35 UTCm7201987.43  4OUSGSSA
1996-12-1216:40 UTCm62610 10.24NGVD294OUSGSSA
1996-12-1216:40 UTCm62611 9.16NAVD884OUSGSSA
1996-12-1216:40 UTCm7201980.76  4OUSGSSA
1997-01-2417:48 UTCm62610 10.72NGVD294OUSGSSA
1997-01-2417:48 UTCm62611 9.64NAVD884OUSGSSA
1997-01-2417:48 UTCm7201980.28  4OUSGSSA
1997-02-2115:00 UTCm62610 11.03NGVD294SUSGSSA
1997-02-2115:00 UTCm62611 9.95NAVD884SUSGSSA
1997-02-2115:00 UTCm7201979.97  4SUSGSSA
1997-03-1219:25 UTCm62610 11.70NGVD294OUSGSSA
1997-03-1219:25 UTCm62611 10.62NAVD884OUSGSSA
1997-03-1219:25 UTCm7201979.30  4OUSGSSA
1997-05-2216:20 UTCm62610 10.90NGVD294OUSGSSA
1997-05-2216:20 UTCm62611 9.82NAVD884OUSGSSA
1997-05-2216:20 UTCm7201980.10  4OUSGSSA
1997-06-1915:26 UTCm62610 8.89NGVD291OUSGSSA
1997-06-1915:26 UTCm62611 7.81NAVD881OUSGSSA
1997-06-1915:26 UTCm7201982.11  1OUSGSSA
1997-07-2217:46 UTCm62610 5.01NGVD294OUSGSSA
1997-07-2217:46 UTCm62611 3.93NAVD884OUSGSSA
1997-07-2217:46 UTCm7201985.99  4OUSGSSA
1997-08-1917:09 UTCm62610 7.89NGVD294OUSGSSA
1997-08-1917:09 UTCm62611 6.81NAVD884OUSGSSA
1997-08-1917:09 UTCm7201983.11  4OUSGSSA
1997-08-2017:45 UTCm62610 7.83NGVD294OUSGSSA
1997-08-2017:45 UTCm62611 6.75NAVD884OUSGSSA
1997-08-2017:45 UTCm7201983.17  4OUSGSSA
1997-09-1615:46 UTCm62610 8.75NGVD294OUSGSSA
1997-09-1615:46 UTCm62611 7.67NAVD884OUSGSSA
1997-09-1615:46 UTCm7201982.25  4OUSGSSA
1997-10-2814:25 UTCm62610 11.60NGVD294SUSGSSA
1997-10-2814:25 UTCm62611 10.52NAVD884SUSGSSA
1997-10-2814:25 UTCm7201979.40  4SUSGSSA
1997-11-2514:03 UTCm62610 12.17NGVD294SUSGSSA
1997-11-2514:03 UTCm62611 11.09NAVD884SUSGSSA
1997-11-2514:03 UTCm7201978.83  4SUSGSSA
1997-12-1517:00 UTCm62610 12.23NGVD294SUSGSSA
1997-12-1517:00 UTCm62611 11.15NAVD884SUSGSSA
1997-12-1517:00 UTCm7201978.77  4SUSGSSA
1998-01-1518:08 UTCm62610 12.47NGVD294SUSGSSA
1998-01-1518:08 UTCm62611 11.39NAVD884SUSGSSA
1998-01-1518:08 UTCm7201978.53  4SUSGSSA
1998-02-2615:55 UTCm62610 13.22NGVD294SUSGSSA
1998-02-2615:55 UTCm62611 12.14NAVD884SUSGSSA
1998-02-2615:55 UTCm7201977.78  4SUSGSSA
1998-03-2614:52 UTCm62610 12.59NGVD294SUSGSSA
1998-03-2614:52 UTCm62611 11.51NAVD884SUSGSSA
1998-03-2614:52 UTCm7201978.41  4SUSGSSA
1998-04-2716:50 UTCm62610 12.70NGVD294SUSGSSA
1998-04-2716:50 UTCm62611 11.62NAVD884SUSGSSA
1998-04-2716:50 UTCm7201978.30  4SUSGSSA
1998-05-2819:28 UTCm62610 10.27NGVD294SUSGSSA
1998-05-2819:28 UTCm62611 9.19NAVD884SUSGSSA
1998-05-2819:28 UTCm7201980.73  4SUSGSSA
1998-06-2516:12 UTCm62610 8.85NGVD294SUSGSSA
1998-06-2516:12 UTCm62611 7.77NAVD884SUSGSSA
1998-06-2516:12 UTCm7201982.15  4SUSGSSA
1998-07-2013:40 UTCm62610 6.21NGVD294SUSGSSA
1998-07-2013:40 UTCm62611 5.13NAVD884SUSGSSA
1998-07-2013:40 UTCm7201984.79  4SUSGSSA
1998-08-2417:56 UTCm62610 5.33NGVD294SUSGSSA
1998-08-2417:56 UTCm62611 4.25NAVD884SUSGSSA
1998-08-2417:56 UTCm7201985.67  4SUSGSSA
1998-09-1713:55 UTCm62610 7.04NGVD294SUSGSSA
1998-09-1713:55 UTCm62611 5.96NAVD884SUSGSSA
1998-09-1713:55 UTCm7201983.96  4SUSGSSA
1998-10-1916:20 UTCm62610 9.60NGVD294SUSGSSA
1998-10-1916:20 UTCm62611 8.52NAVD884SUSGSSA
1998-10-1916:20 UTCm7201981.40  4SUSGSSA
1998-11-1715:19 UTCm62610 12.55NGVD294SUSGSSA
1998-11-1715:19 UTCm62611 11.47NAVD884SUSGSSA
1998-11-1715:19 UTCm7201978.45  4SUSGSSA
1998-12-1613:30 UTCm62610 12.21NGVD294SUSGSSA
1998-12-1613:30 UTCm62611 11.13NAVD884SUSGSSA
1998-12-1613:30 UTCm7201978.79  4SUSGSSA
2013-07-1715:34 UTCm62610 4.56NGVD291TUSGSSA
2013-07-1715:34 UTCm62611 3.48NAVD881TUSGSSA
2013-07-1715:34 UTCm7201986.44  1TUSGSSA
2013-07-2922:16 UTCm62610 3.04NGVD294TUSGSSA
2013-07-2922:16 UTCm62611 1.96NAVD884TUSGSSA
2013-07-2922:16 UTCm7201987.96  4TUSGSSA
2016-05-2418:45 UTCm62610 6.89NGVD294TUSGSSA
2016-05-2418:45 UTCm62611 5.81NAVD884TUSGSSA
2016-05-2418:45 UTCm7201984.11  4TUSGSSA
2022-09-1915:20 UTCm62610 1.66NGVD291VUSGSSA
2022-09-1915:20 UTCm62611 0.58NAVD881VUSGSSA
2022-09-1915:20 UTCm7201989.34  1VUSGSSA
2023-04-1815:34 UTCm62610 8.28NGVD294VUSGSSA
2023-04-1815:34 UTCm62611 7.20NAVD884VUSGSSA
2023-04-1815:34 UTCm7201982.72  4VUSGSSA
2024-05-0615:10 UTCm62610 8.16NGVD294VUSGSSP
2024-05-0615:10 UTCm62611 7.08NAVD884VUSGSSP
2024-05-0615:10 UTCm7201982.84  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.